./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 f8ab0bd5 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-?-f8ab0bd-m [2025-03-13 21:58:06,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 21:58:06,816 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 21:58:06,824 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 21:58:06,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 21:58:06,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 21:58:06,845 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 21:58:06,845 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 21:58:06,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 21:58:06,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 21:58:06,845 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 21:58:06,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 21:58:06,846 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 21:58:06,846 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 21:58:06,846 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 21:58:06,846 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 21:58:06,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 21:58:06,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 21:58:06,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 21:58:06,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 21:58:06,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 21:58:06,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 21:58:06,846 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 21:58:06,846 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 21:58:06,846 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 21:58:06,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 21:58:06,846 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 21:58:06,846 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 21:58:06,846 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 21:58:06,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 21:58:06,847 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 21:58:06,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 21:58:06,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 21:58:06,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 21:58:06,847 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 21:58:06,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 21:58:06,847 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 21:58:06,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 21:58:06,847 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 21:58:06,847 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 21:58:06,847 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 21:58:06,847 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 21:58:06,847 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 [2025-03-13 21:58:07,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 21:58:07,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 21:58:07,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 21:58:07,124 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 21:58:07,124 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 21:58:07,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-atomic/scull.i [2025-03-13 21:58:08,328 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f733b444/6aa322af4f04437e96ec6fb5c2914863/FLAG1402390c7 [2025-03-13 21:58:08,628 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 21:58:08,630 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-atomic/scull.i [2025-03-13 21:58:08,644 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f733b444/6aa322af4f04437e96ec6fb5c2914863/FLAG1402390c7 [2025-03-13 21:58:08,898 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f733b444/6aa322af4f04437e96ec6fb5c2914863 [2025-03-13 21:58:08,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 21:58:08,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 21:58:08,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 21:58:08,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 21:58:08,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 21:58:08,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 09:58:08" (1/1) ... [2025-03-13 21:58:08,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e1882e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:58:08, skipping insertion in model container [2025-03-13 21:58:08,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 09:58:08" (1/1) ... [2025-03-13 21:58:08,941 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 21:58:09,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 21:58:09,173 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 21:58:09,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 21:58:09,239 INFO L204 MainTranslator]: Completed translation [2025-03-13 21:58:09,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:58:09 WrapperNode [2025-03-13 21:58:09,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 21:58:09,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 21:58:09,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 21:58:09,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 21:58:09,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:58:09" (1/1) ... [2025-03-13 21:58:09,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:58:09" (1/1) ... [2025-03-13 21:58:09,281 INFO L138 Inliner]: procedures = 185, calls = 55, calls flagged for inlining = 32, calls inlined = 29, statements flattened = 531 [2025-03-13 21:58:09,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 21:58:09,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 21:58:09,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 21:58:09,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 21:58:09,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:58:09" (1/1) ... [2025-03-13 21:58:09,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:58:09" (1/1) ... [2025-03-13 21:58:09,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:58:09" (1/1) ... [2025-03-13 21:58:09,291 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:58:09" (1/1) ... [2025-03-13 21:58:09,298 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:58:09" (1/1) ... [2025-03-13 21:58:09,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:58:09" (1/1) ... [2025-03-13 21:58:09,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:58:09" (1/1) ... [2025-03-13 21:58:09,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:58:09" (1/1) ... [2025-03-13 21:58:09,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 21:58:09,306 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 21:58:09,306 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 21:58:09,306 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 21:58:09,307 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:58:09" (1/1) ... [2025-03-13 21:58:09,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 21:58:09,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 21:58:09,336 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) [2025-03-13 21:58:09,338 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 [2025-03-13 21:58:09,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-13 21:58:09,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-13 21:58:09,353 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-13 21:58:09,353 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-13 21:58:09,353 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-13 21:58:09,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 21:58:09,353 INFO L130 BoogieDeclarations]: Found specification of procedure loader [2025-03-13 21:58:09,353 INFO L138 BoogieDeclarations]: Found implementation of procedure loader [2025-03-13 21:58:09,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 21:58:09,353 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-13 21:58:09,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 21:58:09,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 21:58:09,354 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-13 21:58:09,483 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 21:58:09,485 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 21:58:09,590 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-5: assume #race~dev_size~0 == scull_trim_#t~nondet9#1; [2025-03-13 21:58:09,590 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-5: assume !(#race~dev_size~0 == scull_trim_#t~nondet9#1); [2025-03-13 21:58:09,590 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-6: havoc scull_trim_#t~nondet9#1; [2025-03-13 21:58:09,590 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-7: #race~dev_size~0 := scull_trim_#t~nondet9#1; [2025-03-13 21:58:09,590 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-8: havoc scull_trim_#t~nondet9#1; [2025-03-13 21:58:09,590 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L721-9: ~dev_size~0 := 0; [2025-03-13 21:58:09,590 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-7: assume #race~dev_quantum~0 == scull_trim_#t~nondet10#1; [2025-03-13 21:58:09,591 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-7: assume !(#race~dev_quantum~0 == scull_trim_#t~nondet10#1); [2025-03-13 21:58:09,593 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-8: havoc scull_trim_#t~nondet10#1; [2025-03-13 21:58:09,593 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-9: #race~dev_quantum~0 := scull_trim_#t~nondet10#1; [2025-03-13 21:58:09,593 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-10: havoc scull_trim_#t~nondet10#1; [2025-03-13 21:58:09,593 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-11: assume 0 == #race~scull_quantum~0; [2025-03-13 21:58:09,593 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-11: assume !(0 == #race~scull_quantum~0); [2025-03-13 21:58:09,593 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-12: ~dev_quantum~0 := ~scull_quantum~0; [2025-03-13 21:58:09,593 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-13: #race~scull_quantum~0 := 0; [2025-03-13 21:58:09,593 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-7: assume #race~dev_qset~0 == scull_trim_#t~nondet11#1; [2025-03-13 21:58:09,593 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-7: assume !(#race~dev_qset~0 == scull_trim_#t~nondet11#1); [2025-03-13 21:58:09,593 INFO L1326 $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; [2025-03-13 21:58:09,593 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-8: havoc scull_trim_#t~nondet11#1; [2025-03-13 21:58:09,593 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-9: #race~dev_qset~0 := scull_trim_#t~nondet11#1; [2025-03-13 21:58:09,593 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-10: havoc scull_trim_#t~nondet11#1; [2025-03-13 21:58:09,593 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-11: assume 0 == #race~scull_qset~0; [2025-03-13 21:58:09,593 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-11: assume !(0 == #race~scull_qset~0); [2025-03-13 21:58:09,593 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-12: ~dev_qset~0 := ~scull_qset~0; [2025-03-13 21:58:09,593 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-13: #race~scull_qset~0 := 0; [2025-03-13 21:58:09,593 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L897: assume { :end_inline_scull_cleanup_module } true;scull_init_module_#res#1 := scull_init_module_~result~0#1; [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L889-4: havoc scull_cleanup_module_#t~nondet42#1; [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L889-5: scull_cleanup_module_~dev~4#1 := scull_cleanup_module_#t~nondet42#1; [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L889-6: assume -2147483648 <= scull_cleanup_module_#t~nondet42#1 && scull_cleanup_module_#t~nondet42#1 <= 2147483647; [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L889-7: havoc scull_cleanup_module_#t~nondet42#1; [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L724-5: assume #race~dev_data~0 == scull_trim_#t~nondet12#1; [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L724-5: assume !(#race~dev_data~0 == scull_trim_#t~nondet12#1); [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L724-6: havoc scull_trim_#t~nondet12#1; [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L724-7: #race~dev_data~0 := scull_trim_#t~nondet12#1; [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L724-8: havoc scull_trim_#t~nondet12#1; [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L724-9: ~dev_data~0 := 0; [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L890-7: havoc scull_cleanup_module_#t~ret43#1; [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L725-2: scull_cleanup_module_#t~ret43#1 := scull_trim_#res#1; [2025-03-13 21:58:09,594 INFO L1326 $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; [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L725-3: scull_trim_#res#1 := 0; [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L890-9: havoc scull_trim_#in~dev#1; [2025-03-13 21:58:09,594 INFO L1326 $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; [2025-03-13 21:58:09,594 INFO L1326 $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; [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L890-12: havoc scull_trim_#res#1; [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L890-13: assume { :begin_inline_scull_trim } true;scull_trim_#in~dev#1 := scull_cleanup_module_~dev~4#1; [2025-03-13 21:58:09,594 INFO L1326 $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; [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L718-1: scull_trim_~dev#1 := scull_trim_#in~dev#1; [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L720-3: assume 0 == #race~dev_qset~0; [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L720-3: assume !(0 == #race~dev_qset~0); [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L720-4: scull_trim_~qset~0#1 := ~dev_qset~0; [2025-03-13 21:58:09,594 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L720-5: #race~dev_qset~0 := 0; [2025-03-13 21:58:09,787 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L697: havoc copy_to_user_#t~nondet5#1; [2025-03-13 21:58:09,788 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L741: havoc scull_follow_#t~nondet16#1; [2025-03-13 21:58:09,963 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L701: havoc copy_from_user_#t~nondet6#1; [2025-03-13 21:58:09,963 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L741: havoc scull_follow_#t~nondet16#1; [2025-03-13 21:58:10,011 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 21:58:10,012 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 21:58:10,012 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 21:58:10,056 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 21:58:10,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 09:58:10 BoogieIcfgContainer [2025-03-13 21:58:10,057 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 21:58:10,058 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 21:58:10,059 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 21:58:10,062 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 21:58:10,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 09:58:08" (1/3) ... [2025-03-13 21:58:10,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510442f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 09:58:10, skipping insertion in model container [2025-03-13 21:58:10,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 09:58:09" (2/3) ... [2025-03-13 21:58:10,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@510442f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 09:58:10, skipping insertion in model container [2025-03-13 21:58:10,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 09:58:10" (3/3) ... [2025-03-13 21:58:10,064 INFO L128 eAbstractionObserver]: Analyzing ICFG scull.i [2025-03-13 21:58:10,077 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 21:58:10,079 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. [2025-03-13 21:58:10,079 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 21:58:10,239 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-13 21:58:10,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 580 places, 590 transitions, 1201 flow [2025-03-13 21:58:10,488 INFO L124 PetriNetUnfolderBase]: 20/587 cut-off events. [2025-03-13 21:58:10,490 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-13 21:58:10,504 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. [2025-03-13 21:58:10,505 INFO L82 GeneralOperation]: Start removeDead. Operand has 580 places, 590 transitions, 1201 flow [2025-03-13 21:58:10,513 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 572 places, 582 transitions, 1179 flow [2025-03-13 21:58:10,518 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 21:58:10,525 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;@64c19e57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 21:58:10,525 INFO L334 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2025-03-13 21:58:10,542 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 21:58:10,542 INFO L124 PetriNetUnfolderBase]: 0/91 cut-off events. [2025-03-13 21:58:10,543 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 21:58:10,543 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:58:10,543 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] [2025-03-13 21:58:10,544 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err17ASSERT_VIOLATIONDATA_RACE === [loaderErr6ASSERT_VIOLATIONDATA_RACE, loaderErr5ASSERT_VIOLATIONDATA_RACE, loaderErr4ASSERT_VIOLATIONDATA_RACE, loaderErr3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2025-03-13 21:58:10,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:58:10,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1862498524, now seen corresponding path program 1 times [2025-03-13 21:58:10,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:58:10,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064669996] [2025-03-13 21:58:10,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:58:10,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:58:10,617 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-13 21:58:10,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-13 21:58:10,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:58:10,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:58:10,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:58:10,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:58:10,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064669996] [2025-03-13 21:58:10,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064669996] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:58:10,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:58:10,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:58:10,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850799799] [2025-03-13 21:58:10,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:58:10,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:58:10,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:58:10,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:58:10,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:58:10,798 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 558 out of 590 [2025-03-13 21:58:10,804 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) [2025-03-13 21:58:10,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:58:10,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 558 of 590 [2025-03-13 21:58:10,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:58:11,502 INFO L124 PetriNetUnfolderBase]: 246/4300 cut-off events. [2025-03-13 21:58:11,502 INFO L125 PetriNetUnfolderBase]: For 177/182 co-relation queries the response was YES. [2025-03-13 21:58:11,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4624 conditions, 4300 events. 246/4300 cut-off events. For 177/182 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. [2025-03-13 21:58:11,561 INFO L140 encePairwiseOnDemand]: 578/590 looper letters, 19 selfloop transitions, 2 changer transitions 0/568 dead transitions. [2025-03-13 21:58:11,562 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 564 places, 568 transitions, 1199 flow [2025-03-13 21:58:11,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:58:11,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:58:11,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1705 transitions. [2025-03-13 21:58:11,580 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.963276836158192 [2025-03-13 21:58:11,581 INFO L175 Difference]: Start difference. First operand has 572 places, 582 transitions, 1179 flow. Second operand 3 states and 1705 transitions. [2025-03-13 21:58:11,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 564 places, 568 transitions, 1199 flow [2025-03-13 21:58:11,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 559 places, 568 transitions, 1187 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-13 21:58:11,603 INFO L231 Difference]: Finished difference. Result has 560 places, 566 transitions, 1148 flow [2025-03-13 21:58:11,606 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} [2025-03-13 21:58:11,610 INFO L279 CegarLoopForPetriNet]: 572 programPoint places, -12 predicate places. [2025-03-13 21:58:11,610 INFO L471 AbstractCegarLoop]: Abstraction has has 560 places, 566 transitions, 1148 flow [2025-03-13 21:58:11,611 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) [2025-03-13 21:58:11,612 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:58:11,612 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] [2025-03-13 21:58:11,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 21:58:11,613 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting loaderErr6ASSERT_VIOLATIONDATA_RACE === [loaderErr6ASSERT_VIOLATIONDATA_RACE, loaderErr5ASSERT_VIOLATIONDATA_RACE, loaderErr4ASSERT_VIOLATIONDATA_RACE, loaderErr3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2025-03-13 21:58:11,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:58:11,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1682010943, now seen corresponding path program 1 times [2025-03-13 21:58:11,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:58:11,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119262044] [2025-03-13 21:58:11,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:58:11,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:58:11,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-13 21:58:11,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-13 21:58:11,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:58:11,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:58:11,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:58:11,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:58:11,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119262044] [2025-03-13 21:58:11,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119262044] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:58:11,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:58:11,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:58:11,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35548163] [2025-03-13 21:58:11,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:58:11,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:58:11,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:58:11,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:58:11,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:58:11,779 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 546 out of 590 [2025-03-13 21:58:11,781 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) [2025-03-13 21:58:11,783 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:58:11,783 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 546 of 590 [2025-03-13 21:58:11,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:58:14,993 INFO L124 PetriNetUnfolderBase]: 2478/25388 cut-off events. [2025-03-13 21:58:14,994 INFO L125 PetriNetUnfolderBase]: For 283/285 co-relation queries the response was YES. [2025-03-13 21:58:15,111 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. [2025-03-13 21:58:15,189 INFO L140 encePairwiseOnDemand]: 572/590 looper letters, 43 selfloop transitions, 13 changer transitions 0/591 dead transitions. [2025-03-13 21:58:15,190 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 562 places, 591 transitions, 1315 flow [2025-03-13 21:58:15,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:58:15,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:58:15,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1699 transitions. [2025-03-13 21:58:15,193 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9598870056497175 [2025-03-13 21:58:15,193 INFO L175 Difference]: Start difference. First operand has 560 places, 566 transitions, 1148 flow. Second operand 3 states and 1699 transitions. [2025-03-13 21:58:15,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 562 places, 591 transitions, 1315 flow [2025-03-13 21:58:15,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 562 places, 591 transitions, 1315 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 21:58:15,201 INFO L231 Difference]: Finished difference. Result has 564 places, 579 transitions, 1262 flow [2025-03-13 21:58:15,202 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} [2025-03-13 21:58:15,203 INFO L279 CegarLoopForPetriNet]: 572 programPoint places, -8 predicate places. [2025-03-13 21:58:15,203 INFO L471 AbstractCegarLoop]: Abstraction has has 564 places, 579 transitions, 1262 flow [2025-03-13 21:58:15,204 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) [2025-03-13 21:58:15,204 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:58:15,204 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] [2025-03-13 21:58:15,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 21:58:15,204 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting loaderErr5ASSERT_VIOLATIONDATA_RACE === [loaderErr6ASSERT_VIOLATIONDATA_RACE, loaderErr5ASSERT_VIOLATIONDATA_RACE, loaderErr4ASSERT_VIOLATIONDATA_RACE, loaderErr3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2025-03-13 21:58:15,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:58:15,207 INFO L85 PathProgramCache]: Analyzing trace with hash 237677734, now seen corresponding path program 1 times [2025-03-13 21:58:15,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:58:15,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926695520] [2025-03-13 21:58:15,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:58:15,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:58:15,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-13 21:58:15,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-13 21:58:15,235 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:58:15,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:58:15,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:58:15,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:58:15,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926695520] [2025-03-13 21:58:15,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926695520] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:58:15,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:58:15,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:58:15,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196633944] [2025-03-13 21:58:15,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:58:15,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:58:15,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:58:15,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:58:15,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:58:15,334 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 590 [2025-03-13 21:58:15,336 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) [2025-03-13 21:58:15,336 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:58:15,336 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 590 [2025-03-13 21:58:15,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:58:20,756 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]) [2025-03-13 21:58:20,756 INFO L294 olderBase$Statistics]: this new event has 276 ancestors and is cut-off event [2025-03-13 21:58:20,756 INFO L297 olderBase$Statistics]: existing Event has 227 ancestors and is cut-off event [2025-03-13 21:58:20,756 INFO L297 olderBase$Statistics]: existing Event has 178 ancestors and is cut-off event [2025-03-13 21:58:20,756 INFO L297 olderBase$Statistics]: existing Event has 178 ancestors and is cut-off event [2025-03-13 21:58:20,801 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1665] L781-2-->L781: Formula: (= |v_#race~dev_qset~0_30| 0) InVars {} OutVars{#race~dev_qset~0=|v_#race~dev_qset~0_30|} AuxVars[] AssignedVars[#race~dev_qset~0][374], [504#L721-2true, 592#true, 577#true, 585#(= |#race~i~0| 0), 538#L748-1true, 84#L781true, Black: 583#true, 589#(= |#race~dev_qset~0| 0), 270#L930-1true, Black: 587#true]) [2025-03-13 21:58:20,801 INFO L294 olderBase$Statistics]: this new event has 277 ancestors and is cut-off event [2025-03-13 21:58:20,801 INFO L297 olderBase$Statistics]: existing Event has 228 ancestors and is cut-off event [2025-03-13 21:58:20,801 INFO L297 olderBase$Statistics]: existing Event has 179 ancestors and is cut-off event [2025-03-13 21:58:20,801 INFO L297 olderBase$Statistics]: existing Event has 179 ancestors and is cut-off event [2025-03-13 21:58:21,959 INFO L124 PetriNetUnfolderBase]: 5656/54677 cut-off events. [2025-03-13 21:58:21,959 INFO L125 PetriNetUnfolderBase]: For 1211/1232 co-relation queries the response was YES. [2025-03-13 21:58:22,281 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. [2025-03-13 21:58:22,457 INFO L140 encePairwiseOnDemand]: 579/590 looper letters, 36 selfloop transitions, 10 changer transitions 0/598 dead transitions. [2025-03-13 21:58:22,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 598 transitions, 1395 flow [2025-03-13 21:58:22,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:58:22,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:58:22,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1697 transitions. [2025-03-13 21:58:22,460 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9587570621468926 [2025-03-13 21:58:22,460 INFO L175 Difference]: Start difference. First operand has 564 places, 579 transitions, 1262 flow. Second operand 3 states and 1697 transitions. [2025-03-13 21:58:22,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 598 transitions, 1395 flow [2025-03-13 21:58:22,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 564 places, 598 transitions, 1369 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 21:58:22,486 INFO L231 Difference]: Finished difference. Result has 566 places, 588 transitions, 1314 flow [2025-03-13 21:58:22,486 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} [2025-03-13 21:58:22,487 INFO L279 CegarLoopForPetriNet]: 572 programPoint places, -6 predicate places. [2025-03-13 21:58:22,488 INFO L471 AbstractCegarLoop]: Abstraction has has 566 places, 588 transitions, 1314 flow [2025-03-13 21:58:22,488 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) [2025-03-13 21:58:22,488 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:58:22,489 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] [2025-03-13 21:58:22,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-13 21:58:22,489 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting loaderErr4ASSERT_VIOLATIONDATA_RACE === [loaderErr6ASSERT_VIOLATIONDATA_RACE, loaderErr5ASSERT_VIOLATIONDATA_RACE, loaderErr4ASSERT_VIOLATIONDATA_RACE, loaderErr3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2025-03-13 21:58:22,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:58:22,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1742417500, now seen corresponding path program 1 times [2025-03-13 21:58:22,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:58:22,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577777174] [2025-03-13 21:58:22,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:58:22,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:58:22,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-13 21:58:22,509 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-13 21:58:22,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:58:22,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:58:22,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:58:22,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:58:22,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577777174] [2025-03-13 21:58:22,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577777174] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:58:22,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:58:22,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:58:22,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923627413] [2025-03-13 21:58:22,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:58:22,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:58:22,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:58:22,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:58:22,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:58:22,718 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 555 out of 590 [2025-03-13 21:58:22,719 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) [2025-03-13 21:58:22,720 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:58:22,720 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 555 of 590 [2025-03-13 21:58:22,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:58:28,516 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]) [2025-03-13 21:58:28,516 INFO L294 olderBase$Statistics]: this new event has 270 ancestors and is cut-off event [2025-03-13 21:58:28,516 INFO L297 olderBase$Statistics]: existing Event has 270 ancestors and is cut-off event [2025-03-13 21:58:28,517 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2025-03-13 21:58:28,517 INFO L297 olderBase$Statistics]: existing Event has 221 ancestors and is cut-off event [2025-03-13 21:58:29,696 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1427] L722-6-->L722-4: Formula: (= |v_#race~scull_quantum~0_9| 0) InVars {} OutVars{#race~scull_quantum~0=|v_#race~scull_quantum~0_9|} AuxVars[] AssignedVars[#race~scull_quantum~0][374], [599#(= |#race~scull_quantum~0| 0), 592#true, Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 577#true, 585#(= |#race~i~0| 0), 274#L692true, 286#L722-4true, 373#L932true, Black: 583#true, Black: 587#true]) [2025-03-13 21:58:29,697 INFO L294 olderBase$Statistics]: this new event has 299 ancestors and is cut-off event [2025-03-13 21:58:29,697 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2025-03-13 21:58:29,697 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2025-03-13 21:58:29,697 INFO L297 olderBase$Statistics]: existing Event has 299 ancestors and is cut-off event [2025-03-13 21:58:30,445 INFO L124 PetriNetUnfolderBase]: 4958/57770 cut-off events. [2025-03-13 21:58:30,445 INFO L125 PetriNetUnfolderBase]: For 728/818 co-relation queries the response was YES. [2025-03-13 21:58:30,980 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. [2025-03-13 21:58:31,158 INFO L140 encePairwiseOnDemand]: 584/590 looper letters, 27 selfloop transitions, 3 changer transitions 0/596 dead transitions. [2025-03-13 21:58:31,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 565 places, 596 transitions, 1393 flow [2025-03-13 21:58:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:58:31,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:58:31,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1698 transitions. [2025-03-13 21:58:31,161 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9593220338983051 [2025-03-13 21:58:31,161 INFO L175 Difference]: Start difference. First operand has 566 places, 588 transitions, 1314 flow. Second operand 3 states and 1698 transitions. [2025-03-13 21:58:31,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 565 places, 596 transitions, 1393 flow [2025-03-13 21:58:31,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 596 transitions, 1373 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 21:58:31,182 INFO L231 Difference]: Finished difference. Result has 564 places, 588 transitions, 1309 flow [2025-03-13 21:58:31,183 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} [2025-03-13 21:58:31,183 INFO L279 CegarLoopForPetriNet]: 572 programPoint places, -8 predicate places. [2025-03-13 21:58:31,183 INFO L471 AbstractCegarLoop]: Abstraction has has 564 places, 588 transitions, 1309 flow [2025-03-13 21:58:31,184 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) [2025-03-13 21:58:31,184 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:58:31,184 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] [2025-03-13 21:58:31,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-13 21:58:31,184 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting loaderErr3ASSERT_VIOLATIONDATA_RACE === [loaderErr6ASSERT_VIOLATIONDATA_RACE, loaderErr5ASSERT_VIOLATIONDATA_RACE, loaderErr4ASSERT_VIOLATIONDATA_RACE, loaderErr3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2025-03-13 21:58:31,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:58:31,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1924841190, now seen corresponding path program 1 times [2025-03-13 21:58:31,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:58:31,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557331211] [2025-03-13 21:58:31,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:58:31,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:58:31,194 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-13 21:58:31,198 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-13 21:58:31,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:58:31,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:58:31,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:58:31,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:58:31,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557331211] [2025-03-13 21:58:31,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557331211] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:58:31,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:58:31,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:58:31,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258250306] [2025-03-13 21:58:31,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:58:31,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:58:31,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:58:31,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:58:31,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:58:31,248 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 553 out of 590 [2025-03-13 21:58:31,250 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) [2025-03-13 21:58:31,250 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:58:31,250 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 553 of 590 [2025-03-13 21:58:31,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:58:38,383 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]) [2025-03-13 21:58:38,383 INFO L294 olderBase$Statistics]: this new event has 250 ancestors and is cut-off event [2025-03-13 21:58:38,383 INFO L297 olderBase$Statistics]: existing Event has 250 ancestors and is cut-off event [2025-03-13 21:58:38,383 INFO L297 olderBase$Statistics]: existing Event has 201 ancestors and is cut-off event [2025-03-13 21:58:38,383 INFO L297 olderBase$Statistics]: existing Event has 201 ancestors and is cut-off event [2025-03-13 21:58:39,516 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1671] L722-2-->L722: Formula: (= |v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5| |v_#race~dev_quantum~0_15|) InVars {thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1=|v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5|} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_15|, thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1=|v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5|} AuxVars[] AssignedVars[#race~dev_quantum~0][290], [599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 577#true, 585#(= |#race~i~0| 0), 601#true, 165#L890-2true, Black: 597#true, Black: 583#true, 58#L722true, Black: 587#true, 142#L688true, 270#L930-1true]) [2025-03-13 21:58:39,516 INFO L294 olderBase$Statistics]: this new event has 265 ancestors and is cut-off event [2025-03-13 21:58:39,516 INFO L297 olderBase$Statistics]: existing Event has 216 ancestors and is cut-off event [2025-03-13 21:58:39,516 INFO L297 olderBase$Statistics]: existing Event has 265 ancestors and is cut-off event [2025-03-13 21:58:39,516 INFO L297 olderBase$Statistics]: existing Event has 216 ancestors and is cut-off event [2025-03-13 21:58:39,518 INFO L292 olderBase$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]) [2025-03-13 21:58:39,518 INFO L294 olderBase$Statistics]: this new event has 265 ancestors and is cut-off event [2025-03-13 21:58:39,518 INFO L297 olderBase$Statistics]: existing Event has 216 ancestors and is cut-off event [2025-03-13 21:58:39,518 INFO L297 olderBase$Statistics]: existing Event has 216 ancestors and is cut-off event [2025-03-13 21:58:39,518 INFO L297 olderBase$Statistics]: existing Event has 216 ancestors and is cut-off event [2025-03-13 21:58:39,969 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1671] L722-2-->L722: Formula: (= |v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5| |v_#race~dev_quantum~0_15|) InVars {thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1=|v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5|} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_15|, thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1=|v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5|} AuxVars[] AssignedVars[#race~dev_quantum~0][290], [599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 577#true, 585#(= |#race~i~0| 0), 601#true, Black: 597#true, Black: 583#true, 373#L932true, 58#L722true, 142#L688true, Black: 587#true]) [2025-03-13 21:58:39,969 INFO L294 olderBase$Statistics]: this new event has 274 ancestors and is cut-off event [2025-03-13 21:58:39,969 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2025-03-13 21:58:39,969 INFO L297 olderBase$Statistics]: existing Event has 274 ancestors and is cut-off event [2025-03-13 21:58:39,969 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2025-03-13 21:58:39,970 INFO L292 olderBase$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]) [2025-03-13 21:58:39,970 INFO L294 olderBase$Statistics]: this new event has 274 ancestors and is cut-off event [2025-03-13 21:58:39,970 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2025-03-13 21:58:39,971 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2025-03-13 21:58:39,971 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2025-03-13 21:58:40,895 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1671] L722-2-->L722: Formula: (= |v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5| |v_#race~dev_quantum~0_15|) InVars {thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1=|v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5|} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_15|, thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1=|v_thread2Thread1of1ForFork2_scull_trim_#t~nondet10#1_5|} AuxVars[] AssignedVars[#race~dev_quantum~0][290], [450#L933true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 577#true, 585#(= |#race~i~0| 0), 601#true, Black: 597#true, Black: 583#true, 58#L722true, Black: 587#true]) [2025-03-13 21:58:40,895 INFO L294 olderBase$Statistics]: this new event has 290 ancestors and is cut-off event [2025-03-13 21:58:40,895 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2025-03-13 21:58:40,895 INFO L297 olderBase$Statistics]: existing Event has 253 ancestors and is cut-off event [2025-03-13 21:58:40,895 INFO L297 olderBase$Statistics]: existing Event has 241 ancestors and is cut-off event [2025-03-13 21:58:40,931 INFO L292 olderBase$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]) [2025-03-13 21:58:40,931 INFO L294 olderBase$Statistics]: this new event has 291 ancestors and is cut-off event [2025-03-13 21:58:40,931 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2025-03-13 21:58:40,931 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2025-03-13 21:58:40,931 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2025-03-13 21:58:41,046 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1437] L722-2-->L722: Formula: (= |v_#race~dev_quantum~0_12| |v_thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1_5|) InVars {thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1=|v_thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1_5|} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_12|, thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1=|v_thread1Thread1of1ForFork0_scull_trim_#t~nondet10#1_5|} AuxVars[] AssignedVars[#race~dev_quantum~0][262], [278#L722true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 577#true, 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 165#L890-2true, 274#L692true, Black: 583#true, Black: 587#true, 270#L930-1true]) [2025-03-13 21:58:41,046 INFO L294 olderBase$Statistics]: this new event has 294 ancestors and is cut-off event [2025-03-13 21:58:41,046 INFO L297 olderBase$Statistics]: existing Event has 245 ancestors and is cut-off event [2025-03-13 21:58:41,046 INFO L297 olderBase$Statistics]: existing Event has 245 ancestors and is cut-off event [2025-03-13 21:58:41,046 INFO L297 olderBase$Statistics]: existing Event has 245 ancestors and is cut-off event [2025-03-13 21:58:41,342 INFO L292 olderBase$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]) [2025-03-13 21:58:41,342 INFO L294 olderBase$Statistics]: this new event has 303 ancestors and is cut-off event [2025-03-13 21:58:41,342 INFO L297 olderBase$Statistics]: existing Event has 254 ancestors and is cut-off event [2025-03-13 21:58:41,342 INFO L297 olderBase$Statistics]: existing Event has 254 ancestors and is cut-off event [2025-03-13 21:58:41,342 INFO L297 olderBase$Statistics]: existing Event has 254 ancestors and is cut-off event [2025-03-13 21:58:42,124 INFO L124 PetriNetUnfolderBase]: 8336/81574 cut-off events. [2025-03-13 21:58:42,124 INFO L125 PetriNetUnfolderBase]: For 301/304 co-relation queries the response was YES. [2025-03-13 21:58:42,779 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. [2025-03-13 21:58:43,043 INFO L140 encePairwiseOnDemand]: 582/590 looper letters, 33 selfloop transitions, 7 changer transitions 0/604 dead transitions. [2025-03-13 21:58:43,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 566 places, 604 transitions, 1424 flow [2025-03-13 21:58:43,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:58:43,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:58:43,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1700 transitions. [2025-03-13 21:58:43,047 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.96045197740113 [2025-03-13 21:58:43,047 INFO L175 Difference]: Start difference. First operand has 564 places, 588 transitions, 1309 flow. Second operand 3 states and 1700 transitions. [2025-03-13 21:58:43,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 566 places, 604 transitions, 1424 flow [2025-03-13 21:58:43,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 566 places, 604 transitions, 1424 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 21:58:43,055 INFO L231 Difference]: Finished difference. Result has 568 places, 594 transitions, 1363 flow [2025-03-13 21:58:43,056 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} [2025-03-13 21:58:43,056 INFO L279 CegarLoopForPetriNet]: 572 programPoint places, -4 predicate places. [2025-03-13 21:58:43,057 INFO L471 AbstractCegarLoop]: Abstraction has has 568 places, 594 transitions, 1363 flow [2025-03-13 21:58:43,057 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) [2025-03-13 21:58:43,058 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:58:43,058 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] [2025-03-13 21:58:43,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-13 21:58:43,058 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting loaderErr2ASSERT_VIOLATIONDATA_RACE === [loaderErr6ASSERT_VIOLATIONDATA_RACE, loaderErr5ASSERT_VIOLATIONDATA_RACE, loaderErr4ASSERT_VIOLATIONDATA_RACE, loaderErr3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2025-03-13 21:58:43,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:58:43,058 INFO L85 PathProgramCache]: Analyzing trace with hash 836811341, now seen corresponding path program 1 times [2025-03-13 21:58:43,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:58:43,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936070518] [2025-03-13 21:58:43,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:58:43,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:58:43,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-13 21:58:43,069 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-13 21:58:43,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:58:43,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:58:43,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:58:43,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:58:43,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936070518] [2025-03-13 21:58:43,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936070518] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:58:43,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:58:43,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:58:43,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202496640] [2025-03-13 21:58:43,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:58:43,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:58:43,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:58:43,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:58:43,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:58:43,103 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 555 out of 590 [2025-03-13 21:58:43,105 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) [2025-03-13 21:58:43,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:58:43,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 555 of 590 [2025-03-13 21:58:43,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:58:50,174 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1657] L781-5-->L781-3: Formula: (= |v_#race~dev_quantum~0_18| 0) InVars {} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_18|} AuxVars[] AssignedVars[#race~dev_quantum~0][269], [608#(= |#race~scull_qset~0| 0), 577#true, Black: 583#true, 203#loaderENTRYtrue, Black: 589#(= |#race~dev_qset~0| 0), 599#(= |#race~scull_quantum~0| 0), 382#L748-3true, Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 371#L781-3true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-13 21:58:50,174 INFO L294 olderBase$Statistics]: this new event has 247 ancestors and is cut-off event [2025-03-13 21:58:50,174 INFO L297 olderBase$Statistics]: existing Event has 247 ancestors and is cut-off event [2025-03-13 21:58:50,174 INFO L297 olderBase$Statistics]: existing Event has 198 ancestors and is cut-off event [2025-03-13 21:58:50,174 INFO L297 olderBase$Statistics]: existing Event has 198 ancestors and is cut-off event [2025-03-13 21:58:51,740 INFO L292 olderBase$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]) [2025-03-13 21:58:51,740 INFO L294 olderBase$Statistics]: this new event has 266 ancestors and is cut-off event [2025-03-13 21:58:51,740 INFO L297 olderBase$Statistics]: existing Event has 217 ancestors and is cut-off event [2025-03-13 21:58:51,740 INFO L297 olderBase$Statistics]: existing Event has 217 ancestors and is cut-off event [2025-03-13 21:58:51,740 INFO L297 olderBase$Statistics]: existing Event has 266 ancestors and is cut-off event [2025-03-13 21:58:51,799 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1657] L781-5-->L781-3: Formula: (= |v_#race~dev_quantum~0_18| 0) InVars {} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_18|} AuxVars[] AssignedVars[#race~dev_quantum~0][269], [608#(= |#race~scull_qset~0| 0), 308#L720-1true, 577#true, Black: 583#true, Black: 589#(= |#race~dev_qset~0| 0), 599#(= |#race~scull_quantum~0| 0), 382#L748-3true, Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 371#L781-3true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-13 21:58:51,800 INFO L294 olderBase$Statistics]: this new event has 267 ancestors and is cut-off event [2025-03-13 21:58:51,800 INFO L297 olderBase$Statistics]: existing Event has 267 ancestors and is cut-off event [2025-03-13 21:58:51,800 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2025-03-13 21:58:51,800 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2025-03-13 21:58:52,224 INFO L292 olderBase$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]) [2025-03-13 21:58:52,225 INFO L294 olderBase$Statistics]: this new event has 271 ancestors and is cut-off event [2025-03-13 21:58:52,225 INFO L297 olderBase$Statistics]: existing Event has 222 ancestors and is cut-off event [2025-03-13 21:58:52,225 INFO L297 olderBase$Statistics]: existing Event has 222 ancestors and is cut-off event [2025-03-13 21:58:52,225 INFO L297 olderBase$Statistics]: existing Event has 271 ancestors and is cut-off event [2025-03-13 21:58:52,280 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1657] L781-5-->L781-3: Formula: (= |v_#race~dev_quantum~0_18| 0) InVars {} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_18|} AuxVars[] AssignedVars[#race~dev_quantum~0][269], [608#(= |#race~scull_qset~0| 0), 577#true, Black: 583#true, Black: 589#(= |#race~dev_qset~0| 0), 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 382#L748-3true, 585#(= |#race~i~0| 0), 601#true, 444#L721-1true, Black: 597#true, 371#L781-3true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-13 21:58:52,280 INFO L294 olderBase$Statistics]: this new event has 272 ancestors and is cut-off event [2025-03-13 21:58:52,280 INFO L297 olderBase$Statistics]: existing Event has 272 ancestors and is cut-off event [2025-03-13 21:58:52,280 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-13 21:58:52,280 INFO L297 olderBase$Statistics]: existing Event has 223 ancestors and is cut-off event [2025-03-13 21:58:52,389 INFO L292 olderBase$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]) [2025-03-13 21:58:52,389 INFO L294 olderBase$Statistics]: this new event has 274 ancestors and is cut-off event [2025-03-13 21:58:52,389 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2025-03-13 21:58:52,389 INFO L297 olderBase$Statistics]: existing Event has 225 ancestors and is cut-off event [2025-03-13 21:58:52,389 INFO L297 olderBase$Statistics]: existing Event has 274 ancestors and is cut-off event [2025-03-13 21:58:52,389 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1657] L781-5-->L781-3: Formula: (= |v_#race~dev_quantum~0_18| 0) InVars {} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_18|} AuxVars[] AssignedVars[#race~dev_quantum~0][270], [608#(= |#race~scull_qset~0| 0), 577#true, Black: 583#true, Black: 589#(= |#race~dev_qset~0| 0), 599#(= |#race~scull_quantum~0| 0), 382#L748-3true, Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 181#L722true, 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 371#L781-3true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-13 21:58:52,389 INFO L294 olderBase$Statistics]: this new event has 278 ancestors and is cut-off event [2025-03-13 21:58:52,389 INFO L297 olderBase$Statistics]: existing Event has 278 ancestors and is cut-off event [2025-03-13 21:58:52,389 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2025-03-13 21:58:52,389 INFO L297 olderBase$Statistics]: existing Event has 229 ancestors and is cut-off event [2025-03-13 21:58:52,389 INFO L292 olderBase$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]) [2025-03-13 21:58:52,389 INFO L294 olderBase$Statistics]: this new event has 279 ancestors and is cut-off event [2025-03-13 21:58:52,389 INFO L297 olderBase$Statistics]: existing Event has 279 ancestors and is cut-off event [2025-03-13 21:58:52,389 INFO L297 olderBase$Statistics]: existing Event has 230 ancestors and is cut-off event [2025-03-13 21:58:52,389 INFO L297 olderBase$Statistics]: existing Event has 230 ancestors and is cut-off event [2025-03-13 21:58:52,428 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1444] L723-6-->L723-4: Formula: (= |v_#race~scull_qset~0_9| 0) InVars {} OutVars{#race~scull_qset~0=|v_#race~scull_qset~0_9|} AuxVars[] AssignedVars[#race~scull_qset~0][472], [608#(= |#race~scull_qset~0| 0), 577#true, Black: 583#true, 373#L932true, Black: 587#true, 514#L723-4true, 40#L688true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 601#true, Black: 597#true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|)]) [2025-03-13 21:58:52,429 INFO L294 olderBase$Statistics]: this new event has 277 ancestors and is cut-off event [2025-03-13 21:58:52,429 INFO L297 olderBase$Statistics]: existing Event has 228 ancestors and is cut-off event [2025-03-13 21:58:52,429 INFO L297 olderBase$Statistics]: existing Event has 277 ancestors and is cut-off event [2025-03-13 21:58:52,429 INFO L297 olderBase$Statistics]: existing Event has 228 ancestors and is cut-off event [2025-03-13 21:58:52,619 INFO L292 olderBase$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]) [2025-03-13 21:58:52,619 INFO L294 olderBase$Statistics]: this new event has 279 ancestors and is cut-off event [2025-03-13 21:58:52,619 INFO L297 olderBase$Statistics]: existing Event has 230 ancestors and is cut-off event [2025-03-13 21:58:52,619 INFO L297 olderBase$Statistics]: existing Event has 230 ancestors and is cut-off event [2025-03-13 21:58:52,619 INFO L297 olderBase$Statistics]: existing Event has 279 ancestors and is cut-off event [2025-03-13 21:58:52,715 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1657] L781-5-->L781-3: Formula: (= |v_#race~dev_quantum~0_18| 0) InVars {} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_18|} AuxVars[] AssignedVars[#race~dev_quantum~0][269], [608#(= |#race~scull_qset~0| 0), 436#L723-6true, 577#true, Black: 583#true, Black: 589#(= |#race~dev_qset~0| 0), 599#(= |#race~scull_quantum~0| 0), 382#L748-3true, Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 371#L781-3true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-13 21:58:52,715 INFO L294 olderBase$Statistics]: this new event has 280 ancestors and is cut-off event [2025-03-13 21:58:52,715 INFO L297 olderBase$Statistics]: existing Event has 231 ancestors and is cut-off event [2025-03-13 21:58:52,715 INFO L297 olderBase$Statistics]: existing Event has 231 ancestors and is cut-off event [2025-03-13 21:58:52,715 INFO L297 olderBase$Statistics]: existing Event has 280 ancestors and is cut-off event [2025-03-13 21:58:52,759 INFO L292 olderBase$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]) [2025-03-13 21:58:52,759 INFO L294 olderBase$Statistics]: this new event has 281 ancestors and is cut-off event [2025-03-13 21:58:52,759 INFO L297 olderBase$Statistics]: existing Event has 232 ancestors and is cut-off event [2025-03-13 21:58:52,759 INFO L297 olderBase$Statistics]: existing Event has 232 ancestors and is cut-off event [2025-03-13 21:58:52,759 INFO L297 olderBase$Statistics]: existing Event has 281 ancestors and is cut-off event [2025-03-13 21:58:52,805 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1657] L781-5-->L781-3: Formula: (= |v_#race~dev_quantum~0_18| 0) InVars {} OutVars{#race~dev_quantum~0=|v_#race~dev_quantum~0_18|} AuxVars[] AssignedVars[#race~dev_quantum~0][269], [608#(= |#race~scull_qset~0| 0), 577#true, Black: 583#true, Black: 589#(= |#race~dev_qset~0| 0), 25#L723-5true, 599#(= |#race~scull_quantum~0| 0), 382#L748-3true, Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 601#true, Black: 597#true, 371#L781-3true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-13 21:58:52,805 INFO L294 olderBase$Statistics]: this new event has 282 ancestors and is cut-off event [2025-03-13 21:58:52,805 INFO L297 olderBase$Statistics]: existing Event has 233 ancestors and is cut-off event [2025-03-13 21:58:52,805 INFO L297 olderBase$Statistics]: existing Event has 282 ancestors and is cut-off event [2025-03-13 21:58:52,805 INFO L297 olderBase$Statistics]: existing Event has 233 ancestors and is cut-off event [2025-03-13 21:58:53,906 INFO L292 olderBase$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|)]) [2025-03-13 21:58:53,906 INFO L294 olderBase$Statistics]: this new event has 306 ancestors and is cut-off event [2025-03-13 21:58:53,906 INFO L297 olderBase$Statistics]: existing Event has 257 ancestors and is cut-off event [2025-03-13 21:58:53,906 INFO L297 olderBase$Statistics]: existing Event has 257 ancestors and is cut-off event [2025-03-13 21:58:53,906 INFO L297 olderBase$Statistics]: existing Event has 306 ancestors and is cut-off event [2025-03-13 21:58:54,786 INFO L124 PetriNetUnfolderBase]: 7235/83991 cut-off events. [2025-03-13 21:58:54,787 INFO L125 PetriNetUnfolderBase]: For 785/841 co-relation queries the response was YES. [2025-03-13 21:58:55,501 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. [2025-03-13 21:58:55,786 INFO L140 encePairwiseOnDemand]: 584/590 looper letters, 27 selfloop transitions, 3 changer transitions 0/602 dead transitions. [2025-03-13 21:58:55,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 567 places, 602 transitions, 1442 flow [2025-03-13 21:58:55,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 21:58:55,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 21:58:55,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1698 transitions. [2025-03-13 21:58:55,789 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9593220338983051 [2025-03-13 21:58:55,789 INFO L175 Difference]: Start difference. First operand has 568 places, 594 transitions, 1363 flow. Second operand 3 states and 1698 transitions. [2025-03-13 21:58:55,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 567 places, 602 transitions, 1442 flow [2025-03-13 21:58:55,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 565 places, 602 transitions, 1428 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 21:58:55,812 INFO L231 Difference]: Finished difference. Result has 566 places, 594 transitions, 1364 flow [2025-03-13 21:58:55,812 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} [2025-03-13 21:58:55,813 INFO L279 CegarLoopForPetriNet]: 572 programPoint places, -6 predicate places. [2025-03-13 21:58:55,813 INFO L471 AbstractCegarLoop]: Abstraction has has 566 places, 594 transitions, 1364 flow [2025-03-13 21:58:55,813 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) [2025-03-13 21:58:55,813 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 21:58:55,814 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] [2025-03-13 21:58:55,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-13 21:58:55,814 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting loaderErr1ASSERT_VIOLATIONDATA_RACE === [loaderErr6ASSERT_VIOLATIONDATA_RACE, loaderErr5ASSERT_VIOLATIONDATA_RACE, loaderErr4ASSERT_VIOLATIONDATA_RACE, loaderErr3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2025-03-13 21:58:55,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 21:58:55,814 INFO L85 PathProgramCache]: Analyzing trace with hash -2053872305, now seen corresponding path program 1 times [2025-03-13 21:58:55,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 21:58:55,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327778812] [2025-03-13 21:58:55,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 21:58:55,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 21:58:55,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-13 21:58:55,831 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-13 21:58:55,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 21:58:55,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 21:58:56,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 21:58:56,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 21:58:56,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327778812] [2025-03-13 21:58:56,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327778812] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 21:58:56,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 21:58:56,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 21:58:56,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921886831] [2025-03-13 21:58:56,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 21:58:56,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 21:58:56,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 21:58:56,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 21:58:56,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 21:58:56,064 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 550 out of 590 [2025-03-13 21:58:56,066 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) [2025-03-13 21:58:56,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 21:58:56,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 550 of 590 [2025-03-13 21:58:56,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 21:58:57,900 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1431] L748-2-->L748: Formula: (= |v_#race~dev_qset~0_15| 0) InVars {} OutVars{#race~dev_qset~0=|v_#race~dev_qset~0_15|} AuxVars[] AssignedVars[#race~dev_qset~0][558], [395#L748true, 608#(= |#race~scull_qset~0| 0), Black: 606#true, 577#true, Black: 583#true, Black: 587#true, 610#true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 175#L723-1true, Black: 597#true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 230#L720-1true, 270#L930-1true]) [2025-03-13 21:58:57,901 INFO L294 olderBase$Statistics]: this new event has 185 ancestors and is cut-off event [2025-03-13 21:58:57,901 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-13 21:58:57,901 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-13 21:58:57,901 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-13 21:58:58,127 INFO L292 olderBase$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]) [2025-03-13 21:58:58,127 INFO L294 olderBase$Statistics]: this new event has 186 ancestors and is cut-off event [2025-03-13 21:58:58,127 INFO L297 olderBase$Statistics]: existing Event has 186 ancestors and is cut-off event [2025-03-13 21:58:58,127 INFO L297 olderBase$Statistics]: existing Event has 186 ancestors and is cut-off event [2025-03-13 21:58:58,127 INFO L297 olderBase$Statistics]: existing Event has 186 ancestors and is cut-off event [2025-03-13 21:58:58,758 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1431] L748-2-->L748: Formula: (= |v_#race~dev_qset~0_15| 0) InVars {} OutVars{#race~dev_qset~0=|v_#race~dev_qset~0_15|} AuxVars[] AssignedVars[#race~dev_qset~0][341], [395#L748true, 608#(= |#race~scull_qset~0| 0), Black: 606#true, 577#true, Black: 583#true, Black: 587#true, 610#true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 165#L890-2true, Black: 597#true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 230#L720-1true, 270#L930-1true]) [2025-03-13 21:58:58,759 INFO L294 olderBase$Statistics]: this new event has 194 ancestors and is not cut-off event [2025-03-13 21:58:58,759 INFO L297 olderBase$Statistics]: existing Event has 194 ancestors and is not cut-off event [2025-03-13 21:58:58,759 INFO L297 olderBase$Statistics]: existing Event has 194 ancestors and is not cut-off event [2025-03-13 21:58:58,759 INFO L297 olderBase$Statistics]: existing Event has 194 ancestors and is not cut-off event [2025-03-13 21:58:59,662 INFO L292 olderBase$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]) [2025-03-13 21:58:59,662 INFO L294 olderBase$Statistics]: this new event has 203 ancestors and is not cut-off event [2025-03-13 21:58:59,662 INFO L297 olderBase$Statistics]: existing Event has 203 ancestors and is not cut-off event [2025-03-13 21:58:59,662 INFO L297 olderBase$Statistics]: existing Event has 203 ancestors and is not cut-off event [2025-03-13 21:58:59,662 INFO L297 olderBase$Statistics]: existing Event has 203 ancestors and is not cut-off event [2025-03-13 21:59:00,621 INFO L292 olderBase$Statistics]: inserting event number 5 for the transition-marking pair ([1431] L748-2-->L748: Formula: (= |v_#race~dev_qset~0_15| 0) InVars {} OutVars{#race~dev_qset~0=|v_#race~dev_qset~0_15|} AuxVars[] AssignedVars[#race~dev_qset~0][558], [Black: 606#true, 608#(= |#race~scull_qset~0| 0), 395#L748true, 577#true, Black: 583#true, Black: 587#true, 610#true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), 175#L723-1true, Black: 597#true, 230#L720-1true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-13 21:59:00,621 INFO L294 olderBase$Statistics]: this new event has 234 ancestors and is cut-off event [2025-03-13 21:59:00,621 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-13 21:59:00,621 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-13 21:59:00,621 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-13 21:59:00,621 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-13 21:59:00,629 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1333] L723-3-->L723-2: Formula: true InVars {} OutVars{loaderThread1of1ForFork1_scull_trim_#t~nondet11#1=|v_loaderThread1of1ForFork1_scull_trim_#t~nondet11#1_3|} AuxVars[] AssignedVars[loaderThread1of1ForFork1_scull_trim_#t~nondet11#1][148], [Black: 606#true, 608#(= |#race~scull_qset~0| 0), 395#L748true, 577#true, Black: 583#true, Black: 587#true, 225#L688-4true, 610#true, 599#(= |#race~scull_quantum~0| 0), 466#L723-2true, Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), Black: 597#true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-13 21:59:00,629 INFO L294 olderBase$Statistics]: this new event has 214 ancestors and is cut-off event [2025-03-13 21:59:00,629 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2025-03-13 21:59:00,629 INFO L297 olderBase$Statistics]: existing Event has 165 ancestors and is cut-off event [2025-03-13 21:59:00,629 INFO L297 olderBase$Statistics]: existing Event has 214 ancestors and is cut-off event [2025-03-13 21:59:00,945 INFO L292 olderBase$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]) [2025-03-13 21:59:00,945 INFO L294 olderBase$Statistics]: this new event has 234 ancestors and is cut-off event [2025-03-13 21:59:00,945 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-13 21:59:00,945 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-13 21:59:00,945 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-13 21:59:00,945 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-13 21:59:00,945 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 21:59:00,965 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1665] L781-2-->L781: Formula: (= |v_#race~dev_qset~0_30| 0) InVars {} OutVars{#race~dev_qset~0=|v_#race~dev_qset~0_30|} AuxVars[] AssignedVars[#race~dev_qset~0][577], [Black: 606#true, 608#(= |#race~scull_qset~0| 0), 577#true, 102#L720-1true, Black: 583#true, 84#L781true, Black: 587#true, 610#true, 599#(= |#race~scull_quantum~0| 0), Black: 594#(= |loaderThread1of1ForFork1_scull_trim_#t~nondet9#1| |#race~dev_size~0|), 585#(= |#race~i~0| 0), Black: 597#true, 175#L723-1true, Black: 603#(= |#race~dev_quantum~0| |loaderThread1of1ForFork1_scull_trim_#t~nondet10#1|), 270#L930-1true]) [2025-03-13 21:59:00,965 INFO L294 olderBase$Statistics]: this new event has 234 ancestors and is cut-off event [2025-03-13 21:59:00,965 INFO L297 olderBase$Statistics]: existing Event has 234 ancestors and is cut-off event [2025-03-13 21:59:00,965 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event [2025-03-13 21:59:00,965 INFO L297 olderBase$Statistics]: existing Event has 185 ancestors and is cut-off event