./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-atomic/scull.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-atomic/scull.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 aa00f20131f5095ed14e7a46332bb5342dc26be5a17ecfa68bf5b51120e1579b --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 21:36:16,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 21:36:16,239 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 21:36:16,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 21:36:16,247 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 21:36:16,267 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 21:36:16,268 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 21:36:16,268 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 21:36:16,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 21:36:16,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 21:36:16,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 21:36:16,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 21:36:16,270 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 21:36:16,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 21:36:16,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 21:36:16,271 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 21:36:16,271 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 21:36:16,271 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 21:36:16,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 21:36:16,271 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 21:36:16,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 21:36:16,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 21:36:16,271 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 21:36:16,271 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 21:36:16,271 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 21:36:16,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 21:36:16,271 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 21:36:16,271 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 21:36:16,271 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 21:36:16,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 21:36:16,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 21:36:16,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:36:16,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 21:36:16,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 21:36:16,271 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 21:36:16,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 21:36:16,271 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 21:36:16,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 21:36:16,272 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 21:36:16,272 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 21:36:16,272 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 21:36:16,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 21:36:16,272 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> aa00f20131f5095ed14e7a46332bb5342dc26be5a17ecfa68bf5b51120e1579b [2025-03-08 21:36:16,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 21:36:16,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 21:36:16,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 21:36:16,530 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 21:36:16,530 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 21:36:16,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/scull.i [2025-03-08 21:36:17,617 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f76fbc234/d2d9e4769e5e4e77ab5f99f6fd082791/FLAG7e5339ca6 [2025-03-08 21:36:17,900 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 21:36:17,901 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/scull.i [2025-03-08 21:36:17,912 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f76fbc234/d2d9e4769e5e4e77ab5f99f6fd082791/FLAG7e5339ca6 [2025-03-08 21:36:18,194 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f76fbc234/d2d9e4769e5e4e77ab5f99f6fd082791 [2025-03-08 21:36:18,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 21:36:18,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 21:36:18,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 21:36:18,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 21:36:18,202 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 21:36:18,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:36:18" (1/1) ... [2025-03-08 21:36:18,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77bb3c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:18, skipping insertion in model container [2025-03-08 21:36:18,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:36:18" (1/1) ... [2025-03-08 21:36:18,234 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 21:36:18,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:36:18,463 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 21:36:18,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:36:18,545 INFO L204 MainTranslator]: Completed translation [2025-03-08 21:36:18,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:18 WrapperNode [2025-03-08 21:36:18,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 21:36:18,547 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 21:36:18,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 21:36:18,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 21:36:18,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:18" (1/1) ... [2025-03-08 21:36:18,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:18" (1/1) ... [2025-03-08 21:36:18,594 INFO L138 Inliner]: procedures = 185, calls = 55, calls flagged for inlining = 32, calls inlined = 29, statements flattened = 531 [2025-03-08 21:36:18,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 21:36:18,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 21:36:18,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 21:36:18,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 21:36:18,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:18" (1/1) ... [2025-03-08 21:36:18,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:18" (1/1) ... [2025-03-08 21:36:18,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:18" (1/1) ... [2025-03-08 21:36:18,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:18" (1/1) ... [2025-03-08 21:36:18,611 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:18" (1/1) ... [2025-03-08 21:36:18,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:18" (1/1) ... [2025-03-08 21:36:18,614 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:18" (1/1) ... [2025-03-08 21:36:18,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:18" (1/1) ... [2025-03-08 21:36:18,617 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 21:36:18,618 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 21:36:18,618 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 21:36:18,618 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 21:36:18,619 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:18" (1/1) ... [2025-03-08 21:36:18,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:36:18,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 21:36:18,642 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) [2025-03-08 21:36:18,644 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 [2025-03-08 21:36:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-08 21:36:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-08 21:36:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-08 21:36:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-08 21:36:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-08 21:36:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 21:36:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure loader [2025-03-08 21:36:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure loader [2025-03-08 21:36:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 21:36:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-08 21:36:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 21:36:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 21:36:18,661 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-08 21:36:18,779 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 21:36:18,780 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 21:36:18,891 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-5: assume #race~dev_size~0 == scull_trim_#t~nondet9#1; [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-5: assume !(#race~dev_size~0 == scull_trim_#t~nondet9#1); [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-6: havoc scull_trim_#t~nondet9#1; [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-7: #race~dev_size~0 := scull_trim_#t~nondet9#1; [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-8: havoc scull_trim_#t~nondet9#1; [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-9: ~dev_size~0 := 0; [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-7: assume #race~dev_quantum~0 == scull_trim_#t~nondet10#1; [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-7: assume !(#race~dev_quantum~0 == scull_trim_#t~nondet10#1); [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-8: havoc scull_trim_#t~nondet10#1; [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-9: #race~dev_quantum~0 := scull_trim_#t~nondet10#1; [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-10: havoc scull_trim_#t~nondet10#1; [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-11: assume 0 == #race~scull_quantum~0; [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-11: assume !(0 == #race~scull_quantum~0); [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-12: ~dev_quantum~0 := ~scull_quantum~0; [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-13: #race~scull_quantum~0 := 0; [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-7: assume #race~dev_qset~0 == scull_trim_#t~nondet11#1; [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-7: assume !(#race~dev_qset~0 == scull_trim_#t~nondet11#1); [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint scull_init_module_fail#1: assume { :begin_inline_scull_cleanup_module } true;havoc scull_cleanup_module_#t~nondet42#1, scull_cleanup_module_#t~ret43#1, scull_cleanup_module_~dev~4#1; [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-8: havoc scull_trim_#t~nondet11#1; [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-9: #race~dev_qset~0 := scull_trim_#t~nondet11#1; [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-10: havoc scull_trim_#t~nondet11#1; [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-11: assume 0 == #race~scull_qset~0; [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-11: assume !(0 == #race~scull_qset~0); [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-12: ~dev_qset~0 := ~scull_qset~0; [2025-03-08 21:36:18,892 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-13: #race~scull_qset~0 := 0; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L897: assume { :end_inline_scull_cleanup_module } true;scull_init_module_#res#1 := scull_init_module_~result~0#1; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L889-4: havoc scull_cleanup_module_#t~nondet42#1; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L889-5: scull_cleanup_module_~dev~4#1 := scull_cleanup_module_#t~nondet42#1; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L889-6: assume -2147483648 <= scull_cleanup_module_#t~nondet42#1 && scull_cleanup_module_#t~nondet42#1 <= 2147483647; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L889-7: havoc scull_cleanup_module_#t~nondet42#1; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L724-5: assume #race~dev_data~0 == scull_trim_#t~nondet12#1; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L724-5: assume !(#race~dev_data~0 == scull_trim_#t~nondet12#1); [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L724-6: havoc scull_trim_#t~nondet12#1; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L724-7: #race~dev_data~0 := scull_trim_#t~nondet12#1; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L724-8: havoc scull_trim_#t~nondet12#1; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L724-9: ~dev_data~0 := 0; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L890-7: havoc scull_cleanup_module_#t~ret43#1; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L725-2: scull_cleanup_module_#t~ret43#1 := scull_trim_#res#1; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L890-8: assume { :end_inline_scull_trim } true;assume -2147483648 <= scull_cleanup_module_#t~ret43#1 && scull_cleanup_module_#t~ret43#1 <= 2147483647; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L725-3: scull_trim_#res#1 := 0; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L890-9: havoc scull_trim_#in~dev#1; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L890-10: havoc scull_trim_#t~nondet9#1, scull_trim_#t~nondet10#1, scull_trim_#t~nondet11#1, scull_trim_#t~nondet12#1, scull_trim_~dev#1, scull_trim_~qset~0#1; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L890-11: havoc scull_trim_#t~nondet9#1, scull_trim_#t~nondet10#1, scull_trim_#t~nondet11#1, scull_trim_#t~nondet12#1, scull_trim_~dev#1, scull_trim_~qset~0#1; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L890-12: havoc scull_trim_#res#1; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L890-13: assume { :begin_inline_scull_trim } true;scull_trim_#in~dev#1 := scull_cleanup_module_~dev~4#1; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint scull_cleanup_module_returnLabel#1: havoc scull_cleanup_module_#t~nondet42#1, scull_cleanup_module_#t~ret43#1, scull_cleanup_module_~dev~4#1; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L718-1: scull_trim_~dev#1 := scull_trim_#in~dev#1; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L720-3: assume 0 == #race~dev_qset~0; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L720-3: assume !(0 == #race~dev_qset~0); [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L720-4: scull_trim_~qset~0#1 := ~dev_qset~0; [2025-03-08 21:36:18,893 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L720-5: #race~dev_qset~0 := 0; [2025-03-08 21:36:19,077 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L697: havoc copy_to_user_#t~nondet5#1; [2025-03-08 21:36:19,077 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L741: havoc scull_follow_#t~nondet16#1; [2025-03-08 21:36:19,246 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L701: havoc copy_from_user_#t~nondet6#1; [2025-03-08 21:36:19,246 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L741: havoc scull_follow_#t~nondet16#1; [2025-03-08 21:36:19,278 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 21:36:19,279 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 21:36:19,324 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 21:36:19,324 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 21:36:19,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:36:19 BoogieIcfgContainer [2025-03-08 21:36:19,324 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 21:36:19,327 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 21:36:19,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 21:36:19,332 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 21:36:19,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:36:18" (1/3) ... [2025-03-08 21:36:19,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@452995a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:36:19, skipping insertion in model container [2025-03-08 21:36:19,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:36:18" (2/3) ... [2025-03-08 21:36:19,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@452995a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:36:19, skipping insertion in model container [2025-03-08 21:36:19,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:36:19" (3/3) ... [2025-03-08 21:36:19,334 INFO L128 eAbstractionObserver]: Analyzing ICFG scull.i [2025-03-08 21:36:19,348 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 21:36:19,350 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG scull.i that has 4 procedures, 571 locations, 1 initial locations, 0 loop locations, and 49 error locations. [2025-03-08 21:36:19,350 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 21:36:19,465 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-08 21:36:19,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 580 places, 590 transitions, 1201 flow [2025-03-08 21:36:19,676 INFO L124 PetriNetUnfolderBase]: 20/587 cut-off events. [2025-03-08 21:36:19,681 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-08 21:36:19,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 600 conditions, 587 events. 20/587 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1826 event pairs, 0 based on Foata normal form. 0/525 useless extension candidates. Maximal degree in co-relation 545. Up to 4 conditions per place. [2025-03-08 21:36:19,695 INFO L82 GeneralOperation]: Start removeDead. Operand has 580 places, 590 transitions, 1201 flow [2025-03-08 21:36:19,703 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 572 places, 582 transitions, 1179 flow [2025-03-08 21:36:19,713 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 21:36:19,723 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;@4d884cde, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 21:36:19,723 INFO L334 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2025-03-08 21:36:19,733 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 21:36:19,733 INFO L124 PetriNetUnfolderBase]: 0/91 cut-off events. [2025-03-08 21:36:19,733 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:36:19,734 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:19,734 INFO L206 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] [2025-03-08 21:36:19,734 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err17ASSERT_VIOLATIONDATA_RACE === [loaderErr6ASSERT_VIOLATIONDATA_RACE, loaderErr5ASSERT_VIOLATIONDATA_RACE, loaderErr4ASSERT_VIOLATIONDATA_RACE, loaderErr3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2025-03-08 21:36:19,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:19,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1862498524, now seen corresponding path program 1 times [2025-03-08 21:36:19,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:19,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197163923] [2025-03-08 21:36:19,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:19,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:19,808 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-08 21:36:19,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-08 21:36:19,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:19,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:19,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:19,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:19,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197163923] [2025-03-08 21:36:19,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197163923] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:19,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:19,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:19,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521232707] [2025-03-08 21:36:19,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:19,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:19,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:19,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:19,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:20,000 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 558 out of 590 [2025-03-08 21:36:20,005 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 582 transitions, 1179 flow. Second operand has 3 states, 3 states have (on average 559.3333333333334) internal successors, (1678), 3 states have internal predecessors, (1678), 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) [2025-03-08 21:36:20,005 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:20,005 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 558 of 590 [2025-03-08 21:36:20,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:20,761 INFO L124 PetriNetUnfolderBase]: 246/4300 cut-off events. [2025-03-08 21:36:20,761 INFO L125 PetriNetUnfolderBase]: For 182/187 co-relation queries the response was YES. [2025-03-08 21:36:20,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4624 conditions, 4300 events. 246/4300 cut-off events. For 182/187 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 35836 event pairs, 66 based on Foata normal form. 94/3895 useless extension candidates. Maximal degree in co-relation 4329. Up to 241 conditions per place. [2025-03-08 21:36:20,821 INFO L140 encePairwiseOnDemand]: 578/590 looper letters, 19 selfloop transitions, 2 changer transitions 0/568 dead transitions. [2025-03-08 21:36:20,822 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 568 transitions, 1199 flow [2025-03-08 21:36:20,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:20,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:20,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1705 transitions. [2025-03-08 21:36:20,838 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.963276836158192 [2025-03-08 21:36:20,839 INFO L175 Difference]: Start difference. First operand has 572 places, 582 transitions, 1179 flow. Second operand 3 states and 1705 transitions. [2025-03-08 21:36:20,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 568 transitions, 1199 flow [2025-03-08 21:36:20,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 568 transitions, 1187 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-08 21:36:20,859 INFO L231 Difference]: Finished difference. Result has 560 places, 566 transitions, 1148 flow [2025-03-08 21:36:20,862 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=590, PETRI_DIFFERENCE_MINUEND_FLOW=1134, PETRI_DIFFERENCE_MINUEND_PLACES=557, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=562, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1148, PETRI_PLACES=560, PETRI_TRANSITIONS=566} [2025-03-08 21:36:20,864 INFO L279 CegarLoopForPetriNet]: 572 programPoint places, -12 predicate places. [2025-03-08 21:36:20,864 INFO L471 AbstractCegarLoop]: Abstraction has has 560 places, 566 transitions, 1148 flow [2025-03-08 21:36:20,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 559.3333333333334) internal successors, (1678), 3 states have internal predecessors, (1678), 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) [2025-03-08 21:36:20,865 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:20,866 INFO L206 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] [2025-03-08 21:36:20,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 21:36:20,866 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting loaderErr6ASSERT_VIOLATIONDATA_RACE === [loaderErr6ASSERT_VIOLATIONDATA_RACE, loaderErr5ASSERT_VIOLATIONDATA_RACE, loaderErr4ASSERT_VIOLATIONDATA_RACE, loaderErr3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2025-03-08 21:36:20,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:20,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1682010943, now seen corresponding path program 1 times [2025-03-08 21:36:20,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:20,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034920151] [2025-03-08 21:36:20,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:20,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:20,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-08 21:36:20,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-08 21:36:20,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:20,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:20,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:20,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:20,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034920151] [2025-03-08 21:36:20,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034920151] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:20,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:20,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:20,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262353541] [2025-03-08 21:36:20,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:20,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:20,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:20,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:20,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:20,988 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 590 [2025-03-08 21:36:20,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 560 places, 566 transitions, 1148 flow. Second operand has 3 states, 3 states have (on average 547.0) internal successors, (1641), 3 states have internal predecessors, (1641), 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) [2025-03-08 21:36:20,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:20,990 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 590 [2025-03-08 21:36:20,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:24,279 INFO L124 PetriNetUnfolderBase]: 2478/25388 cut-off events. [2025-03-08 21:36:24,280 INFO L125 PetriNetUnfolderBase]: For 283/285 co-relation queries the response was YES. [2025-03-08 21:36:24,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28581 conditions, 25388 events. 2478/25388 cut-off events. For 283/285 co-relation queries the response was YES. Maximal size of possible extension queue 384. Compared 334479 event pairs, 643 based on Foata normal form. 0/22285 useless extension candidates. Maximal degree in co-relation 20486. Up to 1919 conditions per place. [2025-03-08 21:36:24,457 INFO L140 encePairwiseOnDemand]: 572/590 looper letters, 43 selfloop transitions, 13 changer transitions 0/591 dead transitions. [2025-03-08 21:36:24,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 562 places, 591 transitions, 1315 flow [2025-03-08 21:36:24,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:24,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:24,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1699 transitions. [2025-03-08 21:36:24,461 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9598870056497175 [2025-03-08 21:36:24,461 INFO L175 Difference]: Start difference. First operand has 560 places, 566 transitions, 1148 flow. Second operand 3 states and 1699 transitions. [2025-03-08 21:36:24,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 562 places, 591 transitions, 1315 flow [2025-03-08 21:36:24,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 562 places, 591 transitions, 1315 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 21:36:24,472 INFO L231 Difference]: Finished difference. Result has 564 places, 579 transitions, 1262 flow [2025-03-08 21:36:24,473 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=590, PETRI_DIFFERENCE_MINUEND_FLOW=1148, PETRI_DIFFERENCE_MINUEND_PLACES=560, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=566, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=553, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1262, PETRI_PLACES=564, PETRI_TRANSITIONS=579} [2025-03-08 21:36:24,475 INFO L279 CegarLoopForPetriNet]: 572 programPoint places, -8 predicate places. [2025-03-08 21:36:24,475 INFO L471 AbstractCegarLoop]: Abstraction has has 564 places, 579 transitions, 1262 flow [2025-03-08 21:36:24,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 547.0) internal successors, (1641), 3 states have internal predecessors, (1641), 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) [2025-03-08 21:36:24,476 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:24,476 INFO L206 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] [2025-03-08 21:36:24,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 21:36:24,476 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting loaderErr5ASSERT_VIOLATIONDATA_RACE === [loaderErr6ASSERT_VIOLATIONDATA_RACE, loaderErr5ASSERT_VIOLATIONDATA_RACE, loaderErr4ASSERT_VIOLATIONDATA_RACE, loaderErr3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2025-03-08 21:36:24,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:24,477 INFO L85 PathProgramCache]: Analyzing trace with hash 237677734, now seen corresponding path program 1 times [2025-03-08 21:36:24,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:24,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241740562] [2025-03-08 21:36:24,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:24,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:24,498 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-08 21:36:24,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-08 21:36:24,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:24,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:24,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:24,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:24,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241740562] [2025-03-08 21:36:24,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241740562] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:24,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:24,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:24,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437620837] [2025-03-08 21:36:24,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:24,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:24,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:24,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:24,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:24,607 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 590 [2025-03-08 21:36:24,609 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 564 places, 579 transitions, 1262 flow. Second operand has 3 states, 3 states have (on average 551.6666666666666) internal successors, (1655), 3 states have internal predecessors, (1655), 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) [2025-03-08 21:36:24,609 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:24,609 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 590 [2025-03-08 21:36:24,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:30,339 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1665] L781-2-->L781: Formula: (= |v_#race~dev_qset~0_30| 0) InVars {} OutVars{#race~dev_qset~0=|v_#race~dev_qset~0_30|} AuxVars[] AssignedVars[#race~dev_qset~0][374], [395#L748true, 504#L721-2true, 592#true, 577#true, 585#(= |#race~i~0| 0), 84#L781true, Black: 583#true, 589#(= |#race~dev_qset~0| 0), 270#L930-1true, Black: 587#true]) [2025-03-08 21:36:30,340 INFO L294 olderBase$Statistics]: this new event has 276 ancestors and is cut-off event [2025-03-08 21:36:30,341 INFO L297 olderBase$Statistics]: existing Event has 227 ancestors and is cut-off event [2025-03-08 21:36:30,341 INFO L297 olderBase$Statistics]: existing Event has 178 ancestors and is cut-off event [2025-03-08 21:36:30,341 INFO L297 olderBase$Statistics]: existing Event has 178 ancestors and is cut-off event [2025-03-08 21:36:30,387 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1665] L781-2-->L781: Formula: (= |v_#race~dev_qset~0_30| 0) InVars {} OutVars{#race~dev_qset~0=|v_#race~dev_qset~0_30|} AuxVars[] AssignedVars[#race~dev_qset~0][374], [504#L721-2true, 592#true, 577#true, 585#(= |#race~i~0| 0), 538#L748-1true, 84#L781true, Black: 583#true, 589#(= |#race~dev_qset~0| 0), 270#L930-1true, Black: 587#true]) [2025-03-08 21:36:30,388 INFO L294 olderBase$Statistics]: this new event has 277 ancestors and is cut-off event [2025-03-08 21:36:30,388 INFO L297 olderBase$Statistics]: existing Event has 228 ancestors and is cut-off event [2025-03-08 21:36:30,388 INFO L297 olderBase$Statistics]: existing Event has 179 ancestors and is cut-off event [2025-03-08 21:36:30,388 INFO L297 olderBase$Statistics]: existing Event has 179 ancestors and is cut-off event [2025-03-08 21:36:31,384 INFO L124 PetriNetUnfolderBase]: 5656/54677 cut-off events. [2025-03-08 21:36:31,385 INFO L125 PetriNetUnfolderBase]: For 1211/1232 co-relation queries the response was YES. [2025-03-08 21:36:31,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64677 conditions, 54677 events. 5656/54677 cut-off events. For 1211/1232 co-relation queries the response was YES. Maximal size of possible extension queue 746. Compared 826102 event pairs, 2651 based on Foata normal form. 0/47691 useless extension candidates. Maximal degree in co-relation 34430. Up to 5376 conditions per place. [2025-03-08 21:36:31,910 INFO L140 encePairwiseOnDemand]: 579/590 looper letters, 36 selfloop transitions, 10 changer transitions 0/598 dead transitions. [2025-03-08 21:36:31,910 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 598 transitions, 1395 flow [2025-03-08 21:36:31,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:31,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:31,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1697 transitions. [2025-03-08 21:36:31,913 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9587570621468926 [2025-03-08 21:36:31,913 INFO L175 Difference]: Start difference. First operand has 564 places, 579 transitions, 1262 flow. Second operand 3 states and 1697 transitions. [2025-03-08 21:36:31,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 598 transitions, 1395 flow [2025-03-08 21:36:31,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 564 places, 598 transitions, 1369 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:36:31,940 INFO L231 Difference]: Finished difference. Result has 566 places, 588 transitions, 1314 flow [2025-03-08 21:36:31,941 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=590, PETRI_DIFFERENCE_MINUEND_FLOW=1236, PETRI_DIFFERENCE_MINUEND_PLACES=562, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=579, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=569, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1314, PETRI_PLACES=566, PETRI_TRANSITIONS=588} [2025-03-08 21:36:31,942 INFO L279 CegarLoopForPetriNet]: 572 programPoint places, -6 predicate places. [2025-03-08 21:36:31,943 INFO L471 AbstractCegarLoop]: Abstraction has has 566 places, 588 transitions, 1314 flow [2025-03-08 21:36:31,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 551.6666666666666) internal successors, (1655), 3 states have internal predecessors, (1655), 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) [2025-03-08 21:36:31,944 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:31,944 INFO L206 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] [2025-03-08 21:36:31,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 21:36:31,944 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting loaderErr4ASSERT_VIOLATIONDATA_RACE === [loaderErr6ASSERT_VIOLATIONDATA_RACE, loaderErr5ASSERT_VIOLATIONDATA_RACE, loaderErr4ASSERT_VIOLATIONDATA_RACE, loaderErr3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2025-03-08 21:36:31,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:31,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1742417500, now seen corresponding path program 1 times [2025-03-08 21:36:31,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:31,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213189678] [2025-03-08 21:36:31,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:31,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:31,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-08 21:36:31,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-08 21:36:31,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:31,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:32,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:32,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:32,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213189678] [2025-03-08 21:36:32,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213189678] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:32,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:32,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:32,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337079117] [2025-03-08 21:36:32,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:32,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:32,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:32,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:32,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:32,036 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 555 out of 590 [2025-03-08 21:36:32,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 588 transitions, 1314 flow. Second operand has 3 states, 3 states have (on average 556.0) internal successors, (1668), 3 states have internal predecessors, (1668), 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) [2025-03-08 21:36:32,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:32,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 555 of 590 [2025-03-08 21:36:32,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:37,652 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1427] L722-6-->L722-4: Formula: (= |v_#race~scull_quantum~0_9| 0) InVars {} OutVars{#race~scull_quantum~0=|v_#race~scull_quantum~0_9|} AuxVars[] AssignedVars[#race~scull_quantum~0][374], [40#L688true, 599#(= |#race~scull_quantum~0| 0), 592#true, Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 577#true, 585#(= |#race~i~0| 0), 286#L722-4true, 373#L932true, Black: 583#true, Black: 587#true]) [2025-03-08 21:36:37,652 INFO L294 olderBase$Statistics]: this new event has 270 ancestors and is cut-off event [2025-03-08 21:36:37,652 INFO L297 olderBase$Statistics]: existing Event has 270 ancestors and is cut-off event [2025-03-08 21:36:37,652 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2025-03-08 21:36:37,653 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2025-03-08 21:36:38,714 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1427] L722-6-->L722-4: Formula: (= |v_#race~scull_quantum~0_9| 0) InVars {} OutVars{#race~scull_quantum~0=|v_#race~scull_quantum~0_9|} AuxVars[] AssignedVars[#race~scull_quantum~0][374], [599#(= |#race~scull_quantum~0| 0), 592#true, Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 577#true, 585#(= |#race~i~0| 0), 274#L692true, 286#L722-4true, 373#L932true, Black: 583#true, Black: 587#true]) [2025-03-08 21:36:38,715 INFO L294 olderBase$Statistics]: this new event has 299 ancestors and is cut-off event [2025-03-08 21:36:38,715 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2025-03-08 21:36:38,715 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2025-03-08 21:36:38,715 INFO L297 olderBase$Statistics]: existing Event has 299 ancestors and is cut-off event [2025-03-08 21:36:39,182 INFO L124 PetriNetUnfolderBase]: 4958/57770 cut-off events. [2025-03-08 21:36:39,182 INFO L125 PetriNetUnfolderBase]: For 728/818 co-relation queries the response was YES. [2025-03-08 21:36:39,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66687 conditions, 57770 events. 4958/57770 cut-off events. For 728/818 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 863794 event pairs, 1184 based on Foata normal form. 0/50616 useless extension candidates. Maximal degree in co-relation 63940. Up to 3186 conditions per place. [2025-03-08 21:36:39,603 INFO L140 encePairwiseOnDemand]: 584/590 looper letters, 27 selfloop transitions, 3 changer transitions 0/596 dead transitions. [2025-03-08 21:36:39,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 565 places, 596 transitions, 1393 flow [2025-03-08 21:36:39,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:39,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:39,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1698 transitions. [2025-03-08 21:36:39,607 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9593220338983051 [2025-03-08 21:36:39,607 INFO L175 Difference]: Start difference. First operand has 566 places, 588 transitions, 1314 flow. Second operand 3 states and 1698 transitions. [2025-03-08 21:36:39,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 565 places, 596 transitions, 1393 flow [2025-03-08 21:36:39,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 596 transitions, 1373 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:36:39,632 INFO L231 Difference]: Finished difference. Result has 564 places, 588 transitions, 1309 flow [2025-03-08 21:36:39,632 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=590, PETRI_DIFFERENCE_MINUEND_FLOW=1288, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=585, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=582, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1309, PETRI_PLACES=564, PETRI_TRANSITIONS=588} [2025-03-08 21:36:39,633 INFO L279 CegarLoopForPetriNet]: 572 programPoint places, -8 predicate places. [2025-03-08 21:36:39,633 INFO L471 AbstractCegarLoop]: Abstraction has has 564 places, 588 transitions, 1309 flow [2025-03-08 21:36:39,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 556.0) internal successors, (1668), 3 states have internal predecessors, (1668), 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) [2025-03-08 21:36:39,634 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:39,634 INFO L206 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] [2025-03-08 21:36:39,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 21:36:39,635 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting loaderErr3ASSERT_VIOLATIONDATA_RACE === [loaderErr6ASSERT_VIOLATIONDATA_RACE, loaderErr5ASSERT_VIOLATIONDATA_RACE, loaderErr4ASSERT_VIOLATIONDATA_RACE, loaderErr3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2025-03-08 21:36:39,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:39,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1924841190, now seen corresponding path program 1 times [2025-03-08 21:36:39,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:39,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939502471] [2025-03-08 21:36:39,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:39,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:39,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-08 21:36:39,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-08 21:36:39,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:39,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:39,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:39,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:39,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939502471] [2025-03-08 21:36:39,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939502471] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:39,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:39,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:39,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378407927] [2025-03-08 21:36:39,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:39,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:39,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:39,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:39,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:39,703 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 553 out of 590 [2025-03-08 21:36:39,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 564 places, 588 transitions, 1309 flow. Second operand has 3 states, 3 states have (on average 554.6666666666666) internal successors, (1664), 3 states have internal predecessors, (1664), 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) [2025-03-08 21:36:39,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:39,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 553 of 590 [2025-03-08 21:36:39,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:46,533 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1671] L722-2-->L722: Formula: (= |v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5| |v_#race~dev_quantum~0_15|) InVars {thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1=|v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5|} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_15|, thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1=|v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5|} AuxVars[] AssignedVars[#race~dev_quantum~0][290], [436#L723-6true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 577#true, 585#(= |#race~i~0| 0), 601#true, Black: 597#true, Black: 583#true, 58#L722true, Black: 587#true, 142#L688true, 270#L930-1true]) [2025-03-08 21:36:46,534 INFO L294 olderBase$Statistics]: this new event has 250 ancestors and is cut-off event [2025-03-08 21:36:46,534 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2025-03-08 21:36:46,534 INFO L297 olderBase$Statistics]: existing Event has 201 ancestors and is cut-off event [2025-03-08 21:36:46,534 INFO L297 olderBase$Statistics]: existing Event has 201 ancestors and is cut-off event [2025-03-08 21:36:47,763 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1671] L722-2-->L722: Formula: (= |v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5| |v_#race~dev_quantum~0_15|) InVars {thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1=|v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5|} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_15|, thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1=|v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5|} AuxVars[] AssignedVars[#race~dev_quantum~0][290], [599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 577#true, 585#(= |#race~i~0| 0), 601#true, 165#L890-2true, Black: 597#true, Black: 583#true, 58#L722true, Black: 587#true, 142#L688true, 270#L930-1true]) [2025-03-08 21:36:47,763 INFO L294 olderBase$Statistics]: this new event has 265 ancestors and is cut-off event [2025-03-08 21:36:47,763 INFO L297 olderBase$Statistics]: existing Event has 216 ancestors and is cut-off event [2025-03-08 21:36:47,763 INFO L297 olderBase$Statistics]: existing Event has 265 ancestors and is cut-off event [2025-03-08 21:36:47,763 INFO L297 olderBase$Statistics]: existing Event has 216 ancestors and is cut-off event [2025-03-08 21:36:47,766 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1437] L722-2-->L722: Formula: (= |v_#race~dev_quantum~0_12| |v_thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1_5|) InVars {thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1=|v_thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1_5|} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_12|, thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1=|v_thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1_5|} AuxVars[] AssignedVars[#race~dev_quantum~0][262], [278#L722true, 40#L688true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 577#true, 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 165#L890-2true, Black: 583#true, Black: 587#true, 270#L930-1true]) [2025-03-08 21:36:47,766 INFO L294 olderBase$Statistics]: this new event has 265 ancestors and is cut-off event [2025-03-08 21:36:47,766 INFO L297 olderBase$Statistics]: existing Event has 216 ancestors and is cut-off event [2025-03-08 21:36:47,766 INFO L297 olderBase$Statistics]: existing Event has 216 ancestors and is cut-off event [2025-03-08 21:36:47,766 INFO L297 olderBase$Statistics]: existing Event has 216 ancestors and is cut-off event [2025-03-08 21:36:48,325 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1671] L722-2-->L722: Formula: (= |v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5| |v_#race~dev_quantum~0_15|) InVars {thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1=|v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5|} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_15|, thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1=|v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5|} AuxVars[] AssignedVars[#race~dev_quantum~0][290], [599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 577#true, 585#(= |#race~i~0| 0), 601#true, Black: 597#true, Black: 583#true, 373#L932true, 58#L722true, 142#L688true, Black: 587#true]) [2025-03-08 21:36:48,325 INFO L294 olderBase$Statistics]: this new event has 274 ancestors and is cut-off event [2025-03-08 21:36:48,325 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2025-03-08 21:36:48,325 INFO L297 olderBase$Statistics]: existing Event has 274 ancestors and is cut-off event [2025-03-08 21:36:48,325 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2025-03-08 21:36:48,327 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1437] L722-2-->L722: Formula: (= |v_#race~dev_quantum~0_12| |v_thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1_5|) InVars {thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1=|v_thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1_5|} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_12|, thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1=|v_thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1_5|} AuxVars[] AssignedVars[#race~dev_quantum~0][262], [278#L722true, 40#L688true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 577#true, 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 373#L932true, Black: 583#true, Black: 587#true]) [2025-03-08 21:36:48,327 INFO L294 olderBase$Statistics]: this new event has 274 ancestors and is cut-off event [2025-03-08 21:36:48,327 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2025-03-08 21:36:48,327 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2025-03-08 21:36:48,327 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2025-03-08 21:36:49,342 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1671] L722-2-->L722: Formula: (= |v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5| |v_#race~dev_quantum~0_15|) InVars {thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1=|v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5|} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_15|, thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1=|v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5|} AuxVars[] AssignedVars[#race~dev_quantum~0][290], [450#L933true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 577#true, 585#(= |#race~i~0| 0), 601#true, Black: 597#true, Black: 583#true, 58#L722true, Black: 587#true]) [2025-03-08 21:36:49,342 INFO L294 olderBase$Statistics]: this new event has 290 ancestors and is cut-off event [2025-03-08 21:36:49,342 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2025-03-08 21:36:49,342 INFO L297 olderBase$Statistics]: existing Event has 253 ancestors and is cut-off event [2025-03-08 21:36:49,343 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2025-03-08 21:36:49,378 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1671] L722-2-->L722: Formula: (= |v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5| |v_#race~dev_quantum~0_15|) InVars {thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1=|v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5|} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_15|, thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1=|v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5|} AuxVars[] AssignedVars[#race~dev_quantum~0][290], [442#L692true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 577#true, 585#(= |#race~i~0| 0), 601#true, Black: 597#true, Black: 583#true, 373#L932true, 58#L722true, Black: 587#true]) [2025-03-08 21:36:49,379 INFO L294 olderBase$Statistics]: this new event has 291 ancestors and is cut-off event [2025-03-08 21:36:49,379 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2025-03-08 21:36:49,379 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2025-03-08 21:36:49,379 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2025-03-08 21:36:49,484 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1437] L722-2-->L722: Formula: (= |v_#race~dev_quantum~0_12| |v_thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1_5|) InVars {thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1=|v_thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1_5|} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_12|, thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1=|v_thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1_5|} AuxVars[] AssignedVars[#race~dev_quantum~0][262], [278#L722true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 577#true, 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 165#L890-2true, 274#L692true, Black: 583#true, Black: 587#true, 270#L930-1true]) [2025-03-08 21:36:49,484 INFO L294 olderBase$Statistics]: this new event has 294 ancestors and is cut-off event [2025-03-08 21:36:49,484 INFO L297 olderBase$Statistics]: existing Event has 245 ancestors and is cut-off event [2025-03-08 21:36:49,484 INFO L297 olderBase$Statistics]: existing Event has 245 ancestors and is cut-off event [2025-03-08 21:36:49,484 INFO L297 olderBase$Statistics]: existing Event has 245 ancestors and is cut-off event [2025-03-08 21:36:49,772 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1437] L722-2-->L722: Formula: (= |v_#race~dev_quantum~0_12| |v_thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1_5|) InVars {thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1=|v_thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1_5|} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_12|, thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1=|v_thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1_5|} AuxVars[] AssignedVars[#race~dev_quantum~0][262], [278#L722true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 577#true, 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 274#L692true, 373#L932true, Black: 583#true, Black: 587#true]) [2025-03-08 21:36:49,773 INFO L294 olderBase$Statistics]: this new event has 303 ancestors and is cut-off event [2025-03-08 21:36:49,773 INFO L297 olderBase$Statistics]: existing Event has 254 ancestors and is cut-off event [2025-03-08 21:36:49,773 INFO L297 olderBase$Statistics]: existing Event has 254 ancestors and is cut-off event [2025-03-08 21:36:49,773 INFO L297 olderBase$Statistics]: existing Event has 254 ancestors and is cut-off event [2025-03-08 21:36:50,320 INFO L124 PetriNetUnfolderBase]: 8336/81574 cut-off events. [2025-03-08 21:36:50,320 INFO L125 PetriNetUnfolderBase]: For 301/304 co-relation queries the response was YES. [2025-03-08 21:36:50,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95176 conditions, 81574 events. 8336/81574 cut-off events. For 301/304 co-relation queries the response was YES. Maximal size of possible extension queue 992. Compared 1282849 event pairs, 3187 based on Foata normal form. 0/71329 useless extension candidates. Maximal degree in co-relation 51113. Up to 5975 conditions per place. [2025-03-08 21:36:51,007 INFO L140 encePairwiseOnDemand]: 582/590 looper letters, 33 selfloop transitions, 7 changer transitions 0/604 dead transitions. [2025-03-08 21:36:51,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 604 transitions, 1424 flow [2025-03-08 21:36:51,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:36:51,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:36:51,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1700 transitions. [2025-03-08 21:36:51,010 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.96045197740113 [2025-03-08 21:36:51,011 INFO L175 Difference]: Start difference. First operand has 564 places, 588 transitions, 1309 flow. Second operand 3 states and 1700 transitions. [2025-03-08 21:36:51,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 604 transitions, 1424 flow [2025-03-08 21:36:51,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 604 transitions, 1424 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 21:36:51,020 INFO L231 Difference]: Finished difference. Result has 568 places, 594 transitions, 1363 flow [2025-03-08 21:36:51,020 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=590, PETRI_DIFFERENCE_MINUEND_FLOW=1309, PETRI_DIFFERENCE_MINUEND_PLACES=564, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=588, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=581, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1363, PETRI_PLACES=568, PETRI_TRANSITIONS=594} [2025-03-08 21:36:51,021 INFO L279 CegarLoopForPetriNet]: 572 programPoint places, -4 predicate places. [2025-03-08 21:36:51,021 INFO L471 AbstractCegarLoop]: Abstraction has has 568 places, 594 transitions, 1363 flow [2025-03-08 21:36:51,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 554.6666666666666) internal successors, (1664), 3 states have internal predecessors, (1664), 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) [2025-03-08 21:36:51,022 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:36:51,022 INFO L206 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] [2025-03-08 21:36:51,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 21:36:51,022 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting loaderErr2ASSERT_VIOLATIONDATA_RACE === [loaderErr6ASSERT_VIOLATIONDATA_RACE, loaderErr5ASSERT_VIOLATIONDATA_RACE, loaderErr4ASSERT_VIOLATIONDATA_RACE, loaderErr3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2025-03-08 21:36:51,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:36:51,023 INFO L85 PathProgramCache]: Analyzing trace with hash 836811341, now seen corresponding path program 1 times [2025-03-08 21:36:51,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:36:51,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498880872] [2025-03-08 21:36:51,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:36:51,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:36:51,034 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-08 21:36:51,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-08 21:36:51,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:36:51,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:36:51,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:36:51,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:36:51,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498880872] [2025-03-08 21:36:51,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498880872] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:36:51,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:36:51,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:36:51,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630819716] [2025-03-08 21:36:51,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:36:51,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:36:51,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:36:51,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:36:51,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:36:51,099 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 555 out of 590 [2025-03-08 21:36:51,101 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 568 places, 594 transitions, 1363 flow. Second operand has 3 states, 3 states have (on average 556.0) internal successors, (1668), 3 states have internal predecessors, (1668), 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) [2025-03-08 21:36:51,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:36:51,101 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 555 of 590 [2025-03-08 21:36:51,102 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:36:57,540 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1657] L781-5-->L781-3: Formula: (= |v_#race~dev_quantum~0_18| 0) InVars {} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_18|} AuxVars[] AssignedVars[#race~dev_quantum~0][269], [608#(= |#race~scull_qset~0| 0), 577#true, Black: 583#true, 203#loaderENTRYtrue, Black: 589#(= |#race~dev_qset~0| 0), 599#(= |#race~scull_quantum~0| 0), 382#L748-3true, Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 371#L781-3true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-08 21:36:57,540 INFO L294 olderBase$Statistics]: this new event has 247 ancestors and is cut-off event [2025-03-08 21:36:57,540 INFO L297 olderBase$Statistics]: existing Event has 247 ancestors and is cut-off event [2025-03-08 21:36:57,540 INFO L297 olderBase$Statistics]: existing Event has 198 ancestors and is cut-off event [2025-03-08 21:36:57,540 INFO L297 olderBase$Statistics]: existing Event has 198 ancestors and is cut-off event [2025-03-08 21:36:59,095 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1657] L781-5-->L781-3: Formula: (= |v_#race~dev_quantum~0_18| 0) InVars {} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_18|} AuxVars[] AssignedVars[#race~dev_quantum~0][269], [608#(= |#race~scull_qset~0| 0), 577#true, 107#L720true, Black: 583#true, Black: 589#(= |#race~dev_qset~0| 0), 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 382#L748-3true, 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 371#L781-3true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-08 21:36:59,095 INFO L294 olderBase$Statistics]: this new event has 266 ancestors and is cut-off event [2025-03-08 21:36:59,095 INFO L297 olderBase$Statistics]: existing Event has 217 ancestors and is cut-off event [2025-03-08 21:36:59,095 INFO L297 olderBase$Statistics]: existing Event has 217 ancestors and is cut-off event [2025-03-08 21:36:59,095 INFO L297 olderBase$Statistics]: existing Event has 266 ancestors and is cut-off event [2025-03-08 21:36:59,148 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1657] L781-5-->L781-3: Formula: (= |v_#race~dev_quantum~0_18| 0) InVars {} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_18|} AuxVars[] AssignedVars[#race~dev_quantum~0][269], [608#(= |#race~scull_qset~0| 0), 308#L720-1true, 577#true, Black: 583#true, Black: 589#(= |#race~dev_qset~0| 0), 599#(= |#race~scull_quantum~0| 0), 382#L748-3true, Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 371#L781-3true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-08 21:36:59,148 INFO L294 olderBase$Statistics]: this new event has 267 ancestors and is cut-off event [2025-03-08 21:36:59,148 INFO L297 olderBase$Statistics]: existing Event has 267 ancestors and is cut-off event [2025-03-08 21:36:59,148 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2025-03-08 21:36:59,148 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2025-03-08 21:36:59,362 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1657] L781-5-->L781-3: Formula: (= |v_#race~dev_quantum~0_18| 0) InVars {} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_18|} AuxVars[] AssignedVars[#race~dev_quantum~0][269], [608#(= |#race~scull_qset~0| 0), 577#true, Black: 583#true, Black: 589#(= |#race~dev_qset~0| 0), 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 382#L748-3true, 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 371#L781-3true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true, 256#L721true]) [2025-03-08 21:36:59,363 INFO L294 olderBase$Statistics]: this new event has 271 ancestors and is cut-off event [2025-03-08 21:36:59,363 INFO L297 olderBase$Statistics]: existing Event has 222 ancestors and is cut-off event [2025-03-08 21:36:59,363 INFO L297 olderBase$Statistics]: existing Event has 222 ancestors and is cut-off event [2025-03-08 21:36:59,363 INFO L297 olderBase$Statistics]: existing Event has 271 ancestors and is cut-off event [2025-03-08 21:36:59,409 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1657] L781-5-->L781-3: Formula: (= |v_#race~dev_quantum~0_18| 0) InVars {} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_18|} AuxVars[] AssignedVars[#race~dev_quantum~0][269], [608#(= |#race~scull_qset~0| 0), 577#true, Black: 583#true, Black: 589#(= |#race~dev_qset~0| 0), 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 382#L748-3true, 585#(= |#race~i~0| 0), 601#true, 444#L721-1true, Black: 597#true, 371#L781-3true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-08 21:36:59,409 INFO L294 olderBase$Statistics]: this new event has 272 ancestors and is cut-off event [2025-03-08 21:36:59,409 INFO L297 olderBase$Statistics]: existing Event has 272 ancestors and is cut-off event [2025-03-08 21:36:59,409 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-08 21:36:59,409 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-08 21:36:59,502 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1657] L781-5-->L781-3: Formula: (= |v_#race~dev_quantum~0_18| 0) InVars {} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_18|} AuxVars[] AssignedVars[#race~dev_quantum~0][269], [608#(= |#race~scull_qset~0| 0), 577#true, 478#L722-4true, Black: 583#true, Black: 589#(= |#race~dev_qset~0| 0), 599#(= |#race~scull_quantum~0| 0), 382#L748-3true, Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 371#L781-3true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-08 21:36:59,502 INFO L294 olderBase$Statistics]: this new event has 274 ancestors and is cut-off event [2025-03-08 21:36:59,503 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2025-03-08 21:36:59,503 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2025-03-08 21:36:59,503 INFO L297 olderBase$Statistics]: existing Event has 274 ancestors and is cut-off event [2025-03-08 21:36:59,503 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1657] L781-5-->L781-3: Formula: (= |v_#race~dev_quantum~0_18| 0) InVars {} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_18|} AuxVars[] AssignedVars[#race~dev_quantum~0][270], [608#(= |#race~scull_qset~0| 0), 577#true, Black: 583#true, Black: 589#(= |#race~dev_qset~0| 0), 599#(= |#race~scull_quantum~0| 0), 382#L748-3true, Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 181#L722true, 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 371#L781-3true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-08 21:36:59,503 INFO L294 olderBase$Statistics]: this new event has 278 ancestors and is cut-off event [2025-03-08 21:36:59,503 INFO L297 olderBase$Statistics]: existing Event has 278 ancestors and is cut-off event [2025-03-08 21:36:59,503 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2025-03-08 21:36:59,503 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2025-03-08 21:36:59,503 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1657] L781-5-->L781-3: Formula: (= |v_#race~dev_quantum~0_18| 0) InVars {} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_18|} AuxVars[] AssignedVars[#race~dev_quantum~0][270], [608#(= |#race~scull_qset~0| 0), 577#true, Black: 583#true, Black: 589#(= |#race~dev_qset~0| 0), 599#(= |#race~scull_quantum~0| 0), 382#L748-3true, Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 371#L781-3true, 318#L722-1true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-08 21:36:59,503 INFO L294 olderBase$Statistics]: this new event has 279 ancestors and is cut-off event [2025-03-08 21:36:59,503 INFO L297 olderBase$Statistics]: existing Event has 279 ancestors and is cut-off event [2025-03-08 21:36:59,503 INFO L297 olderBase$Statistics]: existing Event has 230 ancestors and is cut-off event [2025-03-08 21:36:59,503 INFO L297 olderBase$Statistics]: existing Event has 230 ancestors and is cut-off event [2025-03-08 21:36:59,537 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1444] L723-6-->L723-4: Formula: (= |v_#race~scull_qset~0_9| 0) InVars {} OutVars{#race~scull_qset~0=|v_#race~scull_qset~0_9|} AuxVars[] AssignedVars[#race~scull_qset~0][472], [608#(= |#race~scull_qset~0| 0), 577#true, Black: 583#true, 373#L932true, Black: 587#true, 514#L723-4true, 40#L688true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 601#true, Black: 597#true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|)]) [2025-03-08 21:36:59,537 INFO L294 olderBase$Statistics]: this new event has 277 ancestors and is cut-off event [2025-03-08 21:36:59,537 INFO L297 olderBase$Statistics]: existing Event has 228 ancestors and is cut-off event [2025-03-08 21:36:59,537 INFO L297 olderBase$Statistics]: existing Event has 277 ancestors and is cut-off event [2025-03-08 21:36:59,537 INFO L297 olderBase$Statistics]: existing Event has 228 ancestors and is cut-off event [2025-03-08 21:36:59,712 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1657] L781-5-->L781-3: Formula: (= |v_#race~dev_quantum~0_18| 0) InVars {} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_18|} AuxVars[] AssignedVars[#race~dev_quantum~0][269], [608#(= |#race~scull_qset~0| 0), 577#true, Black: 583#true, Black: 589#(= |#race~dev_qset~0| 0), 599#(= |#race~scull_quantum~0| 0), 400#loaderErr3ASSERT_VIOLATIONDATA_RACEtrue, Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 382#L748-3true, 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 371#L781-3true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-08 21:36:59,712 INFO L294 olderBase$Statistics]: this new event has 279 ancestors and is cut-off event [2025-03-08 21:36:59,712 INFO L297 olderBase$Statistics]: existing Event has 230 ancestors and is cut-off event [2025-03-08 21:36:59,712 INFO L297 olderBase$Statistics]: existing Event has 230 ancestors and is cut-off event [2025-03-08 21:36:59,712 INFO L297 olderBase$Statistics]: existing Event has 279 ancestors and is cut-off event [2025-03-08 21:36:59,805 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1657] L781-5-->L781-3: Formula: (= |v_#race~dev_quantum~0_18| 0) InVars {} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_18|} AuxVars[] AssignedVars[#race~dev_quantum~0][269], [608#(= |#race~scull_qset~0| 0), 436#L723-6true, 577#true, Black: 583#true, Black: 589#(= |#race~dev_qset~0| 0), 599#(= |#race~scull_quantum~0| 0), 382#L748-3true, Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 371#L781-3true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-08 21:36:59,805 INFO L294 olderBase$Statistics]: this new event has 280 ancestors and is cut-off event [2025-03-08 21:36:59,805 INFO L297 olderBase$Statistics]: existing Event has 231 ancestors and is cut-off event [2025-03-08 21:36:59,805 INFO L297 olderBase$Statistics]: existing Event has 231 ancestors and is cut-off event [2025-03-08 21:36:59,805 INFO L297 olderBase$Statistics]: existing Event has 280 ancestors and is cut-off event [2025-03-08 21:36:59,848 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1657] L781-5-->L781-3: Formula: (= |v_#race~dev_quantum~0_18| 0) InVars {} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_18|} AuxVars[] AssignedVars[#race~dev_quantum~0][269], [608#(= |#race~scull_qset~0| 0), 577#true, Black: 583#true, Black: 589#(= |#race~dev_qset~0| 0), 599#(= |#race~scull_quantum~0| 0), 382#L748-3true, Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 207#L723-4true, 371#L781-3true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-08 21:36:59,849 INFO L294 olderBase$Statistics]: this new event has 281 ancestors and is cut-off event [2025-03-08 21:36:59,849 INFO L297 olderBase$Statistics]: existing Event has 232 ancestors and is cut-off event [2025-03-08 21:36:59,849 INFO L297 olderBase$Statistics]: existing Event has 232 ancestors and is cut-off event [2025-03-08 21:36:59,849 INFO L297 olderBase$Statistics]: existing Event has 281 ancestors and is cut-off event [2025-03-08 21:36:59,897 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1657] L781-5-->L781-3: Formula: (= |v_#race~dev_quantum~0_18| 0) InVars {} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_18|} AuxVars[] AssignedVars[#race~dev_quantum~0][269], [608#(= |#race~scull_qset~0| 0), 577#true, Black: 583#true, Black: 589#(= |#race~dev_qset~0| 0), 25#L723-5true, 599#(= |#race~scull_quantum~0| 0), 382#L748-3true, Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 371#L781-3true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-08 21:36:59,897 INFO L294 olderBase$Statistics]: this new event has 282 ancestors and is cut-off event [2025-03-08 21:36:59,897 INFO L297 olderBase$Statistics]: existing Event has 233 ancestors and is cut-off event [2025-03-08 21:36:59,897 INFO L297 olderBase$Statistics]: existing Event has 282 ancestors and is cut-off event [2025-03-08 21:36:59,897 INFO L297 olderBase$Statistics]: existing Event has 233 ancestors and is cut-off event [2025-03-08 21:37:01,002 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1444] L723-6-->L723-4: Formula: (= |v_#race~scull_qset~0_9| 0) InVars {} OutVars{#race~scull_qset~0=|v_#race~scull_qset~0_9|} AuxVars[] AssignedVars[#race~scull_qset~0][472], [608#(= |#race~scull_qset~0| 0), 577#true, 274#L692true, Black: 583#true, 373#L932true, 514#L723-4true, Black: 587#true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 601#true, Black: 597#true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|)]) [2025-03-08 21:37:01,002 INFO L294 olderBase$Statistics]: this new event has 306 ancestors and is cut-off event [2025-03-08 21:37:01,002 INFO L297 olderBase$Statistics]: existing Event has 257 ancestors and is cut-off event [2025-03-08 21:37:01,002 INFO L297 olderBase$Statistics]: existing Event has 257 ancestors and is cut-off event [2025-03-08 21:37:01,002 INFO L297 olderBase$Statistics]: existing Event has 306 ancestors and is cut-off event [2025-03-08 21:37:01,812 INFO L124 PetriNetUnfolderBase]: 7235/83991 cut-off events. [2025-03-08 21:37:01,812 INFO L125 PetriNetUnfolderBase]: For 785/841 co-relation queries the response was YES. [2025-03-08 21:37:02,250 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97838 conditions, 83991 events. 7235/83991 cut-off events. For 785/841 co-relation queries the response was YES. Maximal size of possible extension queue 975. Compared 1344538 event pairs, 1793 based on Foata normal form. 0/74135 useless extension candidates. Maximal degree in co-relation 94258. Up to 4327 conditions per place. [2025-03-08 21:37:02,509 INFO L140 encePairwiseOnDemand]: 584/590 looper letters, 27 selfloop transitions, 3 changer transitions 0/602 dead transitions. [2025-03-08 21:37:02,509 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 602 transitions, 1442 flow [2025-03-08 21:37:02,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:37:02,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:37:02,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1698 transitions. [2025-03-08 21:37:02,512 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9593220338983051 [2025-03-08 21:37:02,512 INFO L175 Difference]: Start difference. First operand has 568 places, 594 transitions, 1363 flow. Second operand 3 states and 1698 transitions. [2025-03-08 21:37:02,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 567 places, 602 transitions, 1442 flow [2025-03-08 21:37:02,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 565 places, 602 transitions, 1428 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:37:02,534 INFO L231 Difference]: Finished difference. Result has 566 places, 594 transitions, 1364 flow [2025-03-08 21:37:02,535 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=590, PETRI_DIFFERENCE_MINUEND_FLOW=1343, PETRI_DIFFERENCE_MINUEND_PLACES=563, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=591, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=588, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1364, PETRI_PLACES=566, PETRI_TRANSITIONS=594} [2025-03-08 21:37:02,535 INFO L279 CegarLoopForPetriNet]: 572 programPoint places, -6 predicate places. [2025-03-08 21:37:02,535 INFO L471 AbstractCegarLoop]: Abstraction has has 566 places, 594 transitions, 1364 flow [2025-03-08 21:37:02,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 556.0) internal successors, (1668), 3 states have internal predecessors, (1668), 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) [2025-03-08 21:37:02,536 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:37:02,536 INFO L206 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] [2025-03-08 21:37:02,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 21:37:02,536 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting loaderErr1ASSERT_VIOLATIONDATA_RACE === [loaderErr6ASSERT_VIOLATIONDATA_RACE, loaderErr5ASSERT_VIOLATIONDATA_RACE, loaderErr4ASSERT_VIOLATIONDATA_RACE, loaderErr3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2025-03-08 21:37:02,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:37:02,537 INFO L85 PathProgramCache]: Analyzing trace with hash -2053872305, now seen corresponding path program 1 times [2025-03-08 21:37:02,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:37:02,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130955425] [2025-03-08 21:37:02,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:37:02,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:37:02,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-08 21:37:02,548 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-08 21:37:02,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:37:02,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:37:02,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:37:02,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:37:02,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130955425] [2025-03-08 21:37:02,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130955425] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:37:02,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:37:02,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:37:02,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191913930] [2025-03-08 21:37:02,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:37:02,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:37:02,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:37:02,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:37:02,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:37:02,613 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 590 [2025-03-08 21:37:02,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 566 places, 594 transitions, 1364 flow. Second operand has 3 states, 3 states have (on average 552.0) internal successors, (1656), 3 states have internal predecessors, (1656), 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) [2025-03-08 21:37:02,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:37:02,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 590 [2025-03-08 21:37:02,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:37:04,444 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1431] L748-2-->L748: Formula: (= |v_#race~dev_qset~0_15| 0) InVars {} OutVars{#race~dev_qset~0=|v_#race~dev_qset~0_15|} AuxVars[] AssignedVars[#race~dev_qset~0][558], [395#L748true, 608#(= |#race~scull_qset~0| 0), Black: 606#true, 577#true, Black: 583#true, Black: 587#true, 610#true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 175#L723-1true, Black: 597#true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 230#L720-1true, 270#L930-1true]) [2025-03-08 21:37:04,444 INFO L294 olderBase$Statistics]: this new event has 185 ancestors and is cut-off event [2025-03-08 21:37:04,444 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-08 21:37:04,444 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-08 21:37:04,444 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-08 21:37:04,868 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1431] L748-2-->L748: Formula: (= |v_#race~dev_qset~0_15| 0) InVars {} OutVars{#race~dev_qset~0=|v_#race~dev_qset~0_15|} AuxVars[] AssignedVars[#race~dev_qset~0][341], [395#L748true, 608#(= |#race~scull_qset~0| 0), Black: 606#true, 577#true, Black: 583#true, Black: 587#true, 182#L724-4true, 610#true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), Black: 597#true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 230#L720-1true, 270#L930-1true]) [2025-03-08 21:37:04,868 INFO L294 olderBase$Statistics]: this new event has 186 ancestors and is cut-off event [2025-03-08 21:37:04,868 INFO L297 olderBase$Statistics]: existing Event has 186 ancestors and is cut-off event [2025-03-08 21:37:04,868 INFO L297 olderBase$Statistics]: existing Event has 186 ancestors and is cut-off event [2025-03-08 21:37:04,868 INFO L297 olderBase$Statistics]: existing Event has 186 ancestors and is cut-off event [2025-03-08 21:37:05,428 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1431] L748-2-->L748: Formula: (= |v_#race~dev_qset~0_15| 0) InVars {} OutVars{#race~dev_qset~0=|v_#race~dev_qset~0_15|} AuxVars[] AssignedVars[#race~dev_qset~0][341], [395#L748true, 608#(= |#race~scull_qset~0| 0), Black: 606#true, 577#true, Black: 583#true, Black: 587#true, 610#true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 165#L890-2true, Black: 597#true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 230#L720-1true, 270#L930-1true]) [2025-03-08 21:37:05,428 INFO L294 olderBase$Statistics]: this new event has 194 ancestors and is not cut-off event [2025-03-08 21:37:05,428 INFO L297 olderBase$Statistics]: existing Event has 194 ancestors and is not cut-off event [2025-03-08 21:37:05,428 INFO L297 olderBase$Statistics]: existing Event has 194 ancestors and is not cut-off event [2025-03-08 21:37:05,428 INFO L297 olderBase$Statistics]: existing Event has 194 ancestors and is not cut-off event [2025-03-08 21:37:06,364 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1431] L748-2-->L748: Formula: (= |v_#race~dev_qset~0_15| 0) InVars {} OutVars{#race~dev_qset~0=|v_#race~dev_qset~0_15|} AuxVars[] AssignedVars[#race~dev_qset~0][341], [395#L748true, 608#(= |#race~scull_qset~0| 0), Black: 606#true, 577#true, Black: 583#true, 373#L932true, Black: 587#true, 610#true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), Black: 597#true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 230#L720-1true]) [2025-03-08 21:37:06,365 INFO L294 olderBase$Statistics]: this new event has 203 ancestors and is not cut-off event [2025-03-08 21:37:06,365 INFO L297 olderBase$Statistics]: existing Event has 203 ancestors and is not cut-off event [2025-03-08 21:37:06,365 INFO L297 olderBase$Statistics]: existing Event has 203 ancestors and is not cut-off event [2025-03-08 21:37:06,365 INFO L297 olderBase$Statistics]: existing Event has 203 ancestors and is not cut-off event [2025-03-08 21:37:07,375 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([1431] L748-2-->L748: Formula: (= |v_#race~dev_qset~0_15| 0) InVars {} OutVars{#race~dev_qset~0=|v_#race~dev_qset~0_15|} AuxVars[] AssignedVars[#race~dev_qset~0][558], [Black: 606#true, 608#(= |#race~scull_qset~0| 0), 395#L748true, 577#true, Black: 583#true, Black: 587#true, 610#true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 175#L723-1true, Black: 597#true, 230#L720-1true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-08 21:37:07,376 INFO L294 olderBase$Statistics]: this new event has 234 ancestors and is cut-off event [2025-03-08 21:37:07,376 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-08 21:37:07,376 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-08 21:37:07,376 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-08 21:37:07,376 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-08 21:37:07,384 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1333] L723-3-->L723-2: Formula: true InVars {} OutVars{loaderThread1of1ForFork1_scull_trim_#t~nondet11#1=|v_loaderThread1of1ForFork1_scull_trim_#t~nondet11#1_3|} AuxVars[] AssignedVars[loaderThread1of1ForFork1_scull_trim_#t~nondet11#1][148], [Black: 606#true, 608#(= |#race~scull_qset~0| 0), 395#L748true, 577#true, Black: 583#true, Black: 587#true, 225#L688-4true, 610#true, 599#(= |#race~scull_quantum~0| 0), 466#L723-2true, Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), Black: 597#true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-08 21:37:07,384 INFO L294 olderBase$Statistics]: this new event has 214 ancestors and is cut-off event [2025-03-08 21:37:07,384 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2025-03-08 21:37:07,384 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2025-03-08 21:37:07,384 INFO L297 olderBase$Statistics]: existing Event has 214 ancestors and is cut-off event [2025-03-08 21:37:07,809 INFO L292 olderBase$Statistics]: inserting event number 6 for the transition-marking pair ([1431] L748-2-->L748: Formula: (= |v_#race~dev_qset~0_15| 0) InVars {} OutVars{#race~dev_qset~0=|v_#race~dev_qset~0_15|} AuxVars[] AssignedVars[#race~dev_qset~0][558], [Black: 606#true, 608#(= |#race~scull_qset~0| 0), 395#L748true, 577#true, Black: 583#true, Black: 587#true, 610#true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 175#L723-1true, Black: 597#true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 230#L720-1true, 270#L930-1true]) [2025-03-08 21:37:07,809 INFO L294 olderBase$Statistics]: this new event has 234 ancestors and is cut-off event [2025-03-08 21:37:07,809 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-08 21:37:07,809 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-08 21:37:07,809 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-08 21:37:07,809 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-08 21:37:07,809 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-08 21:37:07,835 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1665] L781-2-->L781: Formula: (= |v_#race~dev_qset~0_30| 0) InVars {} OutVars{#race~dev_qset~0=|v_#race~dev_qset~0_30|} AuxVars[] AssignedVars[#race~dev_qset~0][577], [Black: 606#true, 608#(= |#race~scull_qset~0| 0), 577#true, 102#L720-1true, Black: 583#true, 84#L781true, Black: 587#true, 610#true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), Black: 597#true, 175#L723-1true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-08 21:37:07,835 INFO L294 olderBase$Statistics]: this new event has 234 ancestors and is cut-off event [2025-03-08 21:37:07,835 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-08 21:37:07,835 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-08 21:37:07,835 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event