./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 112291a0afbd95f38753698288bc21e678f8fc599868e66751c5bf984ca2e210 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 04:19:29,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 04:19:29,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 04:19:29,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 04:19:29,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 04:19:29,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 04:19:29,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 04:19:29,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 04:19:29,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 04:19:29,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 04:19:29,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 04:19:29,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 04:19:29,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 04:19:29,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 04:19:29,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 04:19:29,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 04:19:29,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 04:19:29,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 04:19:29,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 04:19:29,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 04:19:29,081 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 04:19:29,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 04:19:29,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 04:19:29,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 04:19:29,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 04:19:29,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 04:19:29,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 04:19:29,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 04:19:29,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 04:19:29,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 04:19:29,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 04:19:29,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 04:19:29,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 04:19:29,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 04:19:29,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 04:19:29,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 04:19:29,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 04:19:29,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 04:19:29,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 04:19:29,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 04:19:29,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 04:19:29,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 04:19:29,105 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 04:19:29,121 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 04:19:29,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 04:19:29,131 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 04:19:29,132 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 04:19:29,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 04:19:29,133 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 04:19:29,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 04:19:29,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 04:19:29,134 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 04:19:29,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 04:19:29,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 04:19:29,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 04:19:29,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 04:19:29,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 04:19:29,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 04:19:29,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 04:19:29,136 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 04:19:29,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 04:19:29,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 04:19:29,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 04:19:29,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 04:19:29,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 04:19:29,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 04:19:29,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 04:19:29,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 04:19:29,138 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 04:19:29,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 04:19:29,139 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 04:19:29,139 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 04:19:29,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 04:19:29,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112291a0afbd95f38753698288bc21e678f8fc599868e66751c5bf984ca2e210 [2022-07-23 04:19:29,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 04:19:29,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 04:19:29,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 04:19:29,390 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 04:19:29,391 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 04:19:29,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i [2022-07-23 04:19:29,449 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c2a106f3/6e2538d17fcb4302a2567dec7e349ee3/FLAGeec2ffbc3 [2022-07-23 04:19:30,205 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 04:19:30,205 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i [2022-07-23 04:19:30,256 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c2a106f3/6e2538d17fcb4302a2567dec7e349ee3/FLAGeec2ffbc3 [2022-07-23 04:19:30,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c2a106f3/6e2538d17fcb4302a2567dec7e349ee3 [2022-07-23 04:19:30,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 04:19:30,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 04:19:30,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 04:19:30,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 04:19:30,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 04:19:30,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:19:30" (1/1) ... [2022-07-23 04:19:30,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e5487a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:19:30, skipping insertion in model container [2022-07-23 04:19:30,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:19:30" (1/1) ... [2022-07-23 04:19:30,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 04:19:30,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 04:19:33,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399219,399232] [2022-07-23 04:19:33,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399364,399377] [2022-07-23 04:19:33,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399510,399523] [2022-07-23 04:19:33,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399675,399688] [2022-07-23 04:19:33,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399833,399846] [2022-07-23 04:19:33,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399991,400004] [2022-07-23 04:19:33,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400149,400162] [2022-07-23 04:19:33,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400309,400322] [2022-07-23 04:19:33,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400468,400481] [2022-07-23 04:19:33,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400607,400620] [2022-07-23 04:19:33,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400749,400762] [2022-07-23 04:19:33,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400898,400911] [2022-07-23 04:19:33,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401037,401050] [2022-07-23 04:19:33,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401192,401205] [2022-07-23 04:19:33,490 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401352,401365] [2022-07-23 04:19:33,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401503,401516] [2022-07-23 04:19:33,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401654,401667] [2022-07-23 04:19:33,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401806,401819] [2022-07-23 04:19:33,494 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401955,401968] [2022-07-23 04:19:33,496 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402103,402116] [2022-07-23 04:19:33,499 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402260,402273] [2022-07-23 04:19:33,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402409,402422] [2022-07-23 04:19:33,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402565,402578] [2022-07-23 04:19:33,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402718,402731] [2022-07-23 04:19:33,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402864,402877] [2022-07-23 04:19:33,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403007,403020] [2022-07-23 04:19:33,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403159,403172] [2022-07-23 04:19:33,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403305,403318] [2022-07-23 04:19:33,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403450,403463] [2022-07-23 04:19:33,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403604,403617] [2022-07-23 04:19:33,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403755,403768] [2022-07-23 04:19:33,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403910,403923] [2022-07-23 04:19:33,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404062,404075] [2022-07-23 04:19:33,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404217,404230] [2022-07-23 04:19:33,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404381,404394] [2022-07-23 04:19:33,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404537,404550] [2022-07-23 04:19:33,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404701,404714] [2022-07-23 04:19:33,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404843,404856] [2022-07-23 04:19:33,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405001,405014] [2022-07-23 04:19:33,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405168,405181] [2022-07-23 04:19:33,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405327,405340] [2022-07-23 04:19:33,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405486,405499] [2022-07-23 04:19:33,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405635,405648] [2022-07-23 04:19:33,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405782,405795] [2022-07-23 04:19:33,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405921,405934] [2022-07-23 04:19:33,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406084,406097] [2022-07-23 04:19:33,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406250,406263] [2022-07-23 04:19:33,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406414,406427] [2022-07-23 04:19:33,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406579,406592] [2022-07-23 04:19:33,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406744,406757] [2022-07-23 04:19:33,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406910,406923] [2022-07-23 04:19:33,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407075,407088] [2022-07-23 04:19:33,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407242,407255] [2022-07-23 04:19:33,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407402,407415] [2022-07-23 04:19:33,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407564,407577] [2022-07-23 04:19:33,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407723,407736] [2022-07-23 04:19:33,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407869,407882] [2022-07-23 04:19:33,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408012,408025] [2022-07-23 04:19:33,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408156,408169] [2022-07-23 04:19:33,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408299,408312] [2022-07-23 04:19:33,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408443,408456] [2022-07-23 04:19:33,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408584,408597] [2022-07-23 04:19:33,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408722,408735] [2022-07-23 04:19:33,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408880,408893] [2022-07-23 04:19:33,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409039,409052] [2022-07-23 04:19:33,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409195,409208] [2022-07-23 04:19:33,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409344,409357] [2022-07-23 04:19:33,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409496,409509] [2022-07-23 04:19:33,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409647,409660] [2022-07-23 04:19:33,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409796,409809] [2022-07-23 04:19:33,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409948,409961] [2022-07-23 04:19:33,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410096,410109] [2022-07-23 04:19:33,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410249,410262] [2022-07-23 04:19:33,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410400,410413] [2022-07-23 04:19:33,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410550,410563] [2022-07-23 04:19:33,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410697,410710] [2022-07-23 04:19:33,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410848,410861] [2022-07-23 04:19:33,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410999,411012] [2022-07-23 04:19:33,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411147,411160] [2022-07-23 04:19:33,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411313,411326] [2022-07-23 04:19:33,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411482,411495] [2022-07-23 04:19:33,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411649,411662] [2022-07-23 04:19:33,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411817,411830] [2022-07-23 04:19:33,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411967,411980] [2022-07-23 04:19:33,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412114,412127] [2022-07-23 04:19:33,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412275,412288] [2022-07-23 04:19:33,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412445,412458] [2022-07-23 04:19:33,533 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412607,412620] [2022-07-23 04:19:33,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 04:19:33,599 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 04:19:33,734 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: pci_pmr = pci_pmr & 458752U [7135] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-23 04:19:33,739 INFO L158 Benchmark]: Toolchain (without parser) took 3266.72ms. Allocated memory was 102.8MB in the beginning and 142.6MB in the end (delta: 39.8MB). Free memory was 75.5MB in the beginning and 55.1MB in the end (delta: 20.3MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. [2022-07-23 04:19:33,740 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory was 49.4MB in the beginning and 49.4MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 04:19:33,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3264.14ms. Allocated memory was 102.8MB in the beginning and 142.6MB in the end (delta: 39.8MB). Free memory was 75.1MB in the beginning and 55.1MB in the end (delta: 19.9MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. [2022-07-23 04:19:33,741 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory was 49.4MB in the beginning and 49.4MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3264.14ms. Allocated memory was 102.8MB in the beginning and 142.6MB in the end (delta: 39.8MB). Free memory was 75.1MB in the beginning and 55.1MB in the end (delta: 19.9MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: pci_pmr = pci_pmr & 458752U [7135] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: pci_pmr = pci_pmr & 458752U [7135]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 112291a0afbd95f38753698288bc21e678f8fc599868e66751c5bf984ca2e210 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 04:19:35,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 04:19:35,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 04:19:35,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 04:19:35,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 04:19:35,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 04:19:35,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 04:19:35,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 04:19:35,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 04:19:35,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 04:19:35,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 04:19:35,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 04:19:35,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 04:19:35,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 04:19:35,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 04:19:35,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 04:19:35,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 04:19:35,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 04:19:35,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 04:19:35,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 04:19:35,311 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 04:19:35,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 04:19:35,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 04:19:35,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 04:19:35,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 04:19:35,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 04:19:35,334 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 04:19:35,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 04:19:35,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 04:19:35,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 04:19:35,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 04:19:35,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 04:19:35,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 04:19:35,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 04:19:35,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 04:19:35,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 04:19:35,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 04:19:35,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 04:19:35,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 04:19:35,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 04:19:35,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 04:19:35,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 04:19:35,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 04:19:35,369 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 04:19:35,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 04:19:35,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 04:19:35,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 04:19:35,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 04:19:35,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 04:19:35,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 04:19:35,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 04:19:35,376 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 04:19:35,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 04:19:35,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 04:19:35,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 04:19:35,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 04:19:35,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 04:19:35,377 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 04:19:35,377 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 04:19:35,377 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 04:19:35,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 04:19:35,378 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 04:19:35,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 04:19:35,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 04:19:35,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 04:19:35,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 04:19:35,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 04:19:35,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 04:19:35,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 04:19:35,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 04:19:35,380 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 04:19:35,380 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 04:19:35,380 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 04:19:35,380 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 04:19:35,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 04:19:35,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 04:19:35,381 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112291a0afbd95f38753698288bc21e678f8fc599868e66751c5bf984ca2e210 [2022-07-23 04:19:35,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 04:19:35,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 04:19:35,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 04:19:35,657 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 04:19:35,657 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 04:19:35,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i [2022-07-23 04:19:35,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bc770a83/c5c021f63efb4a81961c6225e7080aef/FLAG328f1d8ca [2022-07-23 04:19:36,393 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 04:19:36,394 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i [2022-07-23 04:19:36,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bc770a83/c5c021f63efb4a81961c6225e7080aef/FLAG328f1d8ca [2022-07-23 04:19:36,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bc770a83/c5c021f63efb4a81961c6225e7080aef [2022-07-23 04:19:36,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 04:19:36,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 04:19:36,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 04:19:36,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 04:19:36,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 04:19:36,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:19:36" (1/1) ... [2022-07-23 04:19:36,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4606d86e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:19:36, skipping insertion in model container [2022-07-23 04:19:36,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 04:19:36" (1/1) ... [2022-07-23 04:19:36,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 04:19:36,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 04:19:39,494 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399219,399232] [2022-07-23 04:19:39,496 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399364,399377] [2022-07-23 04:19:39,496 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399510,399523] [2022-07-23 04:19:39,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399675,399688] [2022-07-23 04:19:39,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399833,399846] [2022-07-23 04:19:39,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399991,400004] [2022-07-23 04:19:39,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400149,400162] [2022-07-23 04:19:39,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400309,400322] [2022-07-23 04:19:39,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400468,400481] [2022-07-23 04:19:39,499 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400607,400620] [2022-07-23 04:19:39,499 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400749,400762] [2022-07-23 04:19:39,499 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400898,400911] [2022-07-23 04:19:39,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401037,401050] [2022-07-23 04:19:39,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401192,401205] [2022-07-23 04:19:39,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401352,401365] [2022-07-23 04:19:39,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401503,401516] [2022-07-23 04:19:39,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401654,401667] [2022-07-23 04:19:39,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401806,401819] [2022-07-23 04:19:39,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401955,401968] [2022-07-23 04:19:39,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402103,402116] [2022-07-23 04:19:39,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402260,402273] [2022-07-23 04:19:39,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402409,402422] [2022-07-23 04:19:39,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402565,402578] [2022-07-23 04:19:39,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402718,402731] [2022-07-23 04:19:39,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402864,402877] [2022-07-23 04:19:39,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403007,403020] [2022-07-23 04:19:39,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403159,403172] [2022-07-23 04:19:39,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403305,403318] [2022-07-23 04:19:39,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403450,403463] [2022-07-23 04:19:39,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403604,403617] [2022-07-23 04:19:39,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403755,403768] [2022-07-23 04:19:39,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403910,403923] [2022-07-23 04:19:39,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404062,404075] [2022-07-23 04:19:39,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404217,404230] [2022-07-23 04:19:39,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404381,404394] [2022-07-23 04:19:39,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404537,404550] [2022-07-23 04:19:39,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404701,404714] [2022-07-23 04:19:39,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404843,404856] [2022-07-23 04:19:39,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405001,405014] [2022-07-23 04:19:39,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405168,405181] [2022-07-23 04:19:39,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405327,405340] [2022-07-23 04:19:39,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405486,405499] [2022-07-23 04:19:39,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405635,405648] [2022-07-23 04:19:39,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405782,405795] [2022-07-23 04:19:39,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405921,405934] [2022-07-23 04:19:39,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406084,406097] [2022-07-23 04:19:39,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406250,406263] [2022-07-23 04:19:39,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406414,406427] [2022-07-23 04:19:39,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406579,406592] [2022-07-23 04:19:39,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406744,406757] [2022-07-23 04:19:39,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406910,406923] [2022-07-23 04:19:39,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407075,407088] [2022-07-23 04:19:39,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407242,407255] [2022-07-23 04:19:39,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407402,407415] [2022-07-23 04:19:39,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407564,407577] [2022-07-23 04:19:39,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407723,407736] [2022-07-23 04:19:39,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407869,407882] [2022-07-23 04:19:39,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408012,408025] [2022-07-23 04:19:39,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408156,408169] [2022-07-23 04:19:39,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408299,408312] [2022-07-23 04:19:39,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408443,408456] [2022-07-23 04:19:39,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408584,408597] [2022-07-23 04:19:39,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408722,408735] [2022-07-23 04:19:39,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408880,408893] [2022-07-23 04:19:39,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409039,409052] [2022-07-23 04:19:39,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409195,409208] [2022-07-23 04:19:39,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409344,409357] [2022-07-23 04:19:39,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409496,409509] [2022-07-23 04:19:39,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409647,409660] [2022-07-23 04:19:39,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409796,409809] [2022-07-23 04:19:39,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409948,409961] [2022-07-23 04:19:39,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410096,410109] [2022-07-23 04:19:39,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410249,410262] [2022-07-23 04:19:39,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410400,410413] [2022-07-23 04:19:39,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410550,410563] [2022-07-23 04:19:39,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410697,410710] [2022-07-23 04:19:39,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410848,410861] [2022-07-23 04:19:39,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410999,411012] [2022-07-23 04:19:39,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411147,411160] [2022-07-23 04:19:39,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411313,411326] [2022-07-23 04:19:39,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411482,411495] [2022-07-23 04:19:39,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411649,411662] [2022-07-23 04:19:39,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411817,411830] [2022-07-23 04:19:39,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411967,411980] [2022-07-23 04:19:39,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412114,412127] [2022-07-23 04:19:39,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412275,412288] [2022-07-23 04:19:39,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412445,412458] [2022-07-23 04:19:39,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412607,412620] [2022-07-23 04:19:39,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 04:19:39,636 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 04:19:39,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 04:19:40,001 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399219,399232] [2022-07-23 04:19:40,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399364,399377] [2022-07-23 04:19:40,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399510,399523] [2022-07-23 04:19:40,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399675,399688] [2022-07-23 04:19:40,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399833,399846] [2022-07-23 04:19:40,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399991,400004] [2022-07-23 04:19:40,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400149,400162] [2022-07-23 04:19:40,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400309,400322] [2022-07-23 04:19:40,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400468,400481] [2022-07-23 04:19:40,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400607,400620] [2022-07-23 04:19:40,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400749,400762] [2022-07-23 04:19:40,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400898,400911] [2022-07-23 04:19:40,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401037,401050] [2022-07-23 04:19:40,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401192,401205] [2022-07-23 04:19:40,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401352,401365] [2022-07-23 04:19:40,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401503,401516] [2022-07-23 04:19:40,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401654,401667] [2022-07-23 04:19:40,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401806,401819] [2022-07-23 04:19:40,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401955,401968] [2022-07-23 04:19:40,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402103,402116] [2022-07-23 04:19:40,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402260,402273] [2022-07-23 04:19:40,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402409,402422] [2022-07-23 04:19:40,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402565,402578] [2022-07-23 04:19:40,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402718,402731] [2022-07-23 04:19:40,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402864,402877] [2022-07-23 04:19:40,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403007,403020] [2022-07-23 04:19:40,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403159,403172] [2022-07-23 04:19:40,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403305,403318] [2022-07-23 04:19:40,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403450,403463] [2022-07-23 04:19:40,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403604,403617] [2022-07-23 04:19:40,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403755,403768] [2022-07-23 04:19:40,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403910,403923] [2022-07-23 04:19:40,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404062,404075] [2022-07-23 04:19:40,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404217,404230] [2022-07-23 04:19:40,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404381,404394] [2022-07-23 04:19:40,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404537,404550] [2022-07-23 04:19:40,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404701,404714] [2022-07-23 04:19:40,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404843,404856] [2022-07-23 04:19:40,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405001,405014] [2022-07-23 04:19:40,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405168,405181] [2022-07-23 04:19:40,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405327,405340] [2022-07-23 04:19:40,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405486,405499] [2022-07-23 04:19:40,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405635,405648] [2022-07-23 04:19:40,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405782,405795] [2022-07-23 04:19:40,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405921,405934] [2022-07-23 04:19:40,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406084,406097] [2022-07-23 04:19:40,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406250,406263] [2022-07-23 04:19:40,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406414,406427] [2022-07-23 04:19:40,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406579,406592] [2022-07-23 04:19:40,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406744,406757] [2022-07-23 04:19:40,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406910,406923] [2022-07-23 04:19:40,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407075,407088] [2022-07-23 04:19:40,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407242,407255] [2022-07-23 04:19:40,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407402,407415] [2022-07-23 04:19:40,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407564,407577] [2022-07-23 04:19:40,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407723,407736] [2022-07-23 04:19:40,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407869,407882] [2022-07-23 04:19:40,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408012,408025] [2022-07-23 04:19:40,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408156,408169] [2022-07-23 04:19:40,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408299,408312] [2022-07-23 04:19:40,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408443,408456] [2022-07-23 04:19:40,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408584,408597] [2022-07-23 04:19:40,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408722,408735] [2022-07-23 04:19:40,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408880,408893] [2022-07-23 04:19:40,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409039,409052] [2022-07-23 04:19:40,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409195,409208] [2022-07-23 04:19:40,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409344,409357] [2022-07-23 04:19:40,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409496,409509] [2022-07-23 04:19:40,059 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409647,409660] [2022-07-23 04:19:40,059 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409796,409809] [2022-07-23 04:19:40,059 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409948,409961] [2022-07-23 04:19:40,060 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410096,410109] [2022-07-23 04:19:40,060 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410249,410262] [2022-07-23 04:19:40,060 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410400,410413] [2022-07-23 04:19:40,060 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410550,410563] [2022-07-23 04:19:40,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410697,410710] [2022-07-23 04:19:40,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410848,410861] [2022-07-23 04:19:40,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410999,411012] [2022-07-23 04:19:40,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411147,411160] [2022-07-23 04:19:40,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411313,411326] [2022-07-23 04:19:40,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411482,411495] [2022-07-23 04:19:40,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411649,411662] [2022-07-23 04:19:40,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411817,411830] [2022-07-23 04:19:40,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411967,411980] [2022-07-23 04:19:40,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412114,412127] [2022-07-23 04:19:40,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412275,412288] [2022-07-23 04:19:40,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412445,412458] [2022-07-23 04:19:40,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412607,412620] [2022-07-23 04:19:40,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 04:19:40,100 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 04:19:40,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399219,399232] [2022-07-23 04:19:40,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399364,399377] [2022-07-23 04:19:40,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399510,399523] [2022-07-23 04:19:40,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399675,399688] [2022-07-23 04:19:40,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399833,399846] [2022-07-23 04:19:40,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[399991,400004] [2022-07-23 04:19:40,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400149,400162] [2022-07-23 04:19:40,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400309,400322] [2022-07-23 04:19:40,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400468,400481] [2022-07-23 04:19:40,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400607,400620] [2022-07-23 04:19:40,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400749,400762] [2022-07-23 04:19:40,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[400898,400911] [2022-07-23 04:19:40,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401037,401050] [2022-07-23 04:19:40,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401192,401205] [2022-07-23 04:19:40,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401352,401365] [2022-07-23 04:19:40,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401503,401516] [2022-07-23 04:19:40,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401654,401667] [2022-07-23 04:19:40,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401806,401819] [2022-07-23 04:19:40,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[401955,401968] [2022-07-23 04:19:40,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402103,402116] [2022-07-23 04:19:40,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402260,402273] [2022-07-23 04:19:40,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402409,402422] [2022-07-23 04:19:40,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402565,402578] [2022-07-23 04:19:40,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402718,402731] [2022-07-23 04:19:40,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[402864,402877] [2022-07-23 04:19:40,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403007,403020] [2022-07-23 04:19:40,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403159,403172] [2022-07-23 04:19:40,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403305,403318] [2022-07-23 04:19:40,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403450,403463] [2022-07-23 04:19:40,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403604,403617] [2022-07-23 04:19:40,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403755,403768] [2022-07-23 04:19:40,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[403910,403923] [2022-07-23 04:19:40,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404062,404075] [2022-07-23 04:19:40,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404217,404230] [2022-07-23 04:19:40,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404381,404394] [2022-07-23 04:19:40,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404537,404550] [2022-07-23 04:19:40,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404701,404714] [2022-07-23 04:19:40,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[404843,404856] [2022-07-23 04:19:40,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405001,405014] [2022-07-23 04:19:40,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405168,405181] [2022-07-23 04:19:40,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405327,405340] [2022-07-23 04:19:40,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405486,405499] [2022-07-23 04:19:40,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405635,405648] [2022-07-23 04:19:40,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405782,405795] [2022-07-23 04:19:40,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[405921,405934] [2022-07-23 04:19:40,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406084,406097] [2022-07-23 04:19:40,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406250,406263] [2022-07-23 04:19:40,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406414,406427] [2022-07-23 04:19:40,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406579,406592] [2022-07-23 04:19:40,403 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406744,406757] [2022-07-23 04:19:40,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[406910,406923] [2022-07-23 04:19:40,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407075,407088] [2022-07-23 04:19:40,404 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407242,407255] [2022-07-23 04:19:40,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407402,407415] [2022-07-23 04:19:40,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407564,407577] [2022-07-23 04:19:40,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407723,407736] [2022-07-23 04:19:40,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[407869,407882] [2022-07-23 04:19:40,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408012,408025] [2022-07-23 04:19:40,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408156,408169] [2022-07-23 04:19:40,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408299,408312] [2022-07-23 04:19:40,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408443,408456] [2022-07-23 04:19:40,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408584,408597] [2022-07-23 04:19:40,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408722,408735] [2022-07-23 04:19:40,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[408880,408893] [2022-07-23 04:19:40,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409039,409052] [2022-07-23 04:19:40,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409195,409208] [2022-07-23 04:19:40,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409344,409357] [2022-07-23 04:19:40,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409496,409509] [2022-07-23 04:19:40,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409647,409660] [2022-07-23 04:19:40,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409796,409809] [2022-07-23 04:19:40,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[409948,409961] [2022-07-23 04:19:40,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410096,410109] [2022-07-23 04:19:40,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410249,410262] [2022-07-23 04:19:40,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410400,410413] [2022-07-23 04:19:40,412 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410550,410563] [2022-07-23 04:19:40,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410697,410710] [2022-07-23 04:19:40,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410848,410861] [2022-07-23 04:19:40,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[410999,411012] [2022-07-23 04:19:40,413 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411147,411160] [2022-07-23 04:19:40,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411313,411326] [2022-07-23 04:19:40,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411482,411495] [2022-07-23 04:19:40,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411649,411662] [2022-07-23 04:19:40,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411817,411830] [2022-07-23 04:19:40,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[411967,411980] [2022-07-23 04:19:40,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412114,412127] [2022-07-23 04:19:40,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412275,412288] [2022-07-23 04:19:40,418 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412445,412458] [2022-07-23 04:19:40,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i[412607,412620] [2022-07-23 04:19:40,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 04:19:40,586 INFO L208 MainTranslator]: Completed translation [2022-07-23 04:19:40,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:19:40 WrapperNode [2022-07-23 04:19:40,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 04:19:40,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 04:19:40,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 04:19:40,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 04:19:40,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:19:40" (1/1) ... [2022-07-23 04:19:40,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:19:40" (1/1) ... [2022-07-23 04:19:40,856 INFO L137 Inliner]: procedures = 650, calls = 2220, calls flagged for inlining = 287, calls inlined = 204, statements flattened = 4977 [2022-07-23 04:19:40,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 04:19:40,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 04:19:40,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 04:19:40,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 04:19:40,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:19:40" (1/1) ... [2022-07-23 04:19:40,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:19:40" (1/1) ... [2022-07-23 04:19:40,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:19:40" (1/1) ... [2022-07-23 04:19:40,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:19:40" (1/1) ... [2022-07-23 04:19:40,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:19:40" (1/1) ... [2022-07-23 04:19:41,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:19:40" (1/1) ... [2022-07-23 04:19:41,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:19:40" (1/1) ... [2022-07-23 04:19:41,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 04:19:41,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 04:19:41,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 04:19:41,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 04:19:41,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:19:40" (1/1) ... [2022-07-23 04:19:41,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 04:19:41,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 04:19:41,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 04:19:41,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 04:19:41,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-07-23 04:19:41,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-07-23 04:19:41,125 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 04:19:41,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 04:19:41,125 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-23 04:19:41,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-23 04:19:41,125 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2022-07-23 04:19:41,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2022-07-23 04:19:41,125 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 04:19:41,126 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 04:19:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 04:19:41,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 04:19:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2022-07-23 04:19:41,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2022-07-23 04:19:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-23 04:19:41,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-23 04:19:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 04:19:41,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 04:19:41,126 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_write_1bit [2022-07-23 04:19:41,127 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_write_1bit [2022-07-23 04:19:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-23 04:19:41,127 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-23 04:19:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 04:19:41,127 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 04:19:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-23 04:19:41,127 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-23 04:19:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-23 04:19:41,127 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-23 04:19:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-07-23 04:19:41,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-07-23 04:19:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-07-23 04:19:41,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-07-23 04:19:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-23 04:19:41,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-23 04:19:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 04:19:41,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 04:19:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2022-07-23 04:19:41,128 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2022-07-23 04:19:41,128 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2022-07-23 04:19:41,128 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2022-07-23 04:19:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 04:19:41,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 04:19:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 04:19:41,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 04:19:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 04:19:41,129 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 04:19:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-23 04:19:41,130 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-23 04:19:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 04:19:41,130 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 04:19:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 04:19:41,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 04:19:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-07-23 04:19:41,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-07-23 04:19:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 04:19:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 04:19:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 04:19:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 04:19:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-07-23 04:19:41,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-07-23 04:19:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2022-07-23 04:19:41,131 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2022-07-23 04:19:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 04:19:41,131 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 04:19:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 04:19:41,131 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 04:19:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-07-23 04:19:41,132 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-07-23 04:19:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-07-23 04:19:41,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-07-23 04:19:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 04:19:41,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 04:19:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2022-07-23 04:19:41,132 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2022-07-23 04:19:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-23 04:19:41,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-23 04:19:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2022-07-23 04:19:41,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2022-07-23 04:19:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-07-23 04:19:41,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-07-23 04:19:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 04:19:41,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 04:19:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-07-23 04:19:41,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-07-23 04:19:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 04:19:41,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 04:19:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 04:19:41,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 04:19:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 04:19:41,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 04:19:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2022-07-23 04:19:41,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2022-07-23 04:19:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 04:19:41,134 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 04:19:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-07-23 04:19:41,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-07-23 04:19:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-23 04:19:41,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-23 04:19:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2022-07-23 04:19:41,135 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2022-07-23 04:19:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 04:19:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 04:19:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2022-07-23 04:19:41,135 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2022-07-23 04:19:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 04:19:41,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 04:19:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 04:19:41,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 04:19:41,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 04:19:41,136 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-23 04:19:41,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-23 04:19:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 04:19:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 04:19:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 04:19:41,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 04:19:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 04:19:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-07-23 04:19:41,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-07-23 04:19:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2022-07-23 04:19:41,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2022-07-23 04:19:41,138 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 04:19:41,138 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 04:19:41,138 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-23 04:19:41,138 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-23 04:19:41,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-07-23 04:19:41,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-07-23 04:19:41,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 04:19:41,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 04:19:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 04:19:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_stop [2022-07-23 04:19:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_stop [2022-07-23 04:19:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 04:19:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 04:19:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 04:19:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 04:19:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 04:19:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 04:19:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 04:19:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 04:19:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 04:19:41,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 04:19:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 04:19:41,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 04:19:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 04:19:41,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 04:19:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_open [2022-07-23 04:19:41,140 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_open [2022-07-23 04:19:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_dmfe_board_info [2022-07-23 04:19:41,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_dmfe_board_info [2022-07-23 04:19:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 04:19:41,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 04:19:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_130 [2022-07-23 04:19:41,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_130 [2022-07-23 04:19:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 04:19:41,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 04:19:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 04:19:41,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 04:19:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-23 04:19:41,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-23 04:19:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2022-07-23 04:19:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2022-07-23 04:19:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-07-23 04:19:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-07-23 04:19:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-07-23 04:19:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-07-23 04:19:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 04:19:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-23 04:19:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-23 04:19:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 04:19:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-23 04:19:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-23 04:19:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-23 04:19:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-23 04:19:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_read_1bit [2022-07-23 04:19:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_read_1bit [2022-07-23 04:19:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 04:19:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 04:19:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 04:19:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 04:19:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 04:19:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2022-07-23 04:19:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2022-07-23 04:19:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-23 04:19:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-23 04:19:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 04:19:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 04:19:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_write [2022-07-23 04:19:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_write [2022-07-23 04:19:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 04:19:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 04:19:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2022-07-23 04:19:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2022-07-23 04:19:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-23 04:19:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-23 04:19:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-23 04:19:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-23 04:19:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-07-23 04:19:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-07-23 04:19:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 04:19:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 04:19:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-07-23 04:19:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-07-23 04:19:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-23 04:19:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-23 04:19:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2022-07-23 04:19:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2022-07-23 04:19:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-23 04:19:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-23 04:19:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 04:19:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 04:19:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 04:19:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 04:19:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 04:19:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 04:19:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2022-07-23 04:19:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2022-07-23 04:19:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-23 04:19:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-23 04:19:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-07-23 04:19:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-07-23 04:19:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_read [2022-07-23 04:19:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_read [2022-07-23 04:19:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 04:19:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 04:19:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-23 04:19:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-23 04:19:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-23 04:19:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-23 04:19:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-23 04:19:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-23 04:19:41,776 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 04:19:41,778 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 04:19:44,175 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 04:20:23,174 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 04:20:23,202 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 04:20:23,203 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 04:20:23,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:20:23 BoogieIcfgContainer [2022-07-23 04:20:23,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 04:20:23,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 04:20:23,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 04:20:23,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 04:20:23,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 04:19:36" (1/3) ... [2022-07-23 04:20:23,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc4eb16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:20:23, skipping insertion in model container [2022-07-23 04:20:23,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 04:19:40" (2/3) ... [2022-07-23 04:20:23,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc4eb16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:20:23, skipping insertion in model container [2022-07-23 04:20:23,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:20:23" (3/3) ... [2022-07-23 04:20:23,214 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i [2022-07-23 04:20:23,226 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 04:20:23,226 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2022-07-23 04:20:23,324 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 04:20:23,329 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7c3df226, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@115b419c [2022-07-23 04:20:23,329 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-07-23 04:20:23,339 INFO L276 IsEmpty]: Start isEmpty. Operand has 1751 states, 1205 states have (on average 1.3053941908713693) internal successors, (1573), 1261 states have internal predecessors, (1573), 419 states have call successors, (419), 100 states have call predecessors, (419), 99 states have return successors, (415), 406 states have call predecessors, (415), 415 states have call successors, (415) [2022-07-23 04:20:23,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-23 04:20:23,347 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:20:23,348 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:20:23,348 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:20:23,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:20:23,352 INFO L85 PathProgramCache]: Analyzing trace with hash -568275191, now seen corresponding path program 1 times [2022-07-23 04:20:23,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:20:23,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1946703732] [2022-07-23 04:20:23,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:20:23,365 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:20:23,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:20:23,367 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:20:23,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 04:20:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:20:24,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 04:20:24,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:20:24,713 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 04:20:24,714 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:20:24,714 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:20:24,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1946703732] [2022-07-23 04:20:24,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1946703732] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:20:24,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:20:24,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 04:20:24,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095148230] [2022-07-23 04:20:24,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:20:24,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:20:24,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:20:24,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:20:24,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:20:24,749 INFO L87 Difference]: Start difference. First operand has 1751 states, 1205 states have (on average 1.3053941908713693) internal successors, (1573), 1261 states have internal predecessors, (1573), 419 states have call successors, (419), 100 states have call predecessors, (419), 99 states have return successors, (415), 406 states have call predecessors, (415), 415 states have call successors, (415) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:20:25,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:20:25,286 INFO L93 Difference]: Finished difference Result 5225 states and 7403 transitions. [2022-07-23 04:20:25,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:20:25,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2022-07-23 04:20:25,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:20:25,319 INFO L225 Difference]: With dead ends: 5225 [2022-07-23 04:20:25,319 INFO L226 Difference]: Without dead ends: 3463 [2022-07-23 04:20:25,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:20:25,340 INFO L413 NwaCegarLoop]: 4345 mSDtfsCounter, 2340 mSDsluCounter, 2309 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2340 SdHoareTripleChecker+Valid, 6654 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 04:20:25,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2340 Valid, 6654 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 04:20:25,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3463 states. [2022-07-23 04:20:25,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3463 to 3262. [2022-07-23 04:20:25,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3262 states, 2269 states have (on average 1.2723666813574261) internal successors, (2887), 2351 states have internal predecessors, (2887), 789 states have call successors, (789), 178 states have call predecessors, (789), 177 states have return successors, (814), 768 states have call predecessors, (814), 787 states have call successors, (814) [2022-07-23 04:20:25,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 3262 states and 4490 transitions. [2022-07-23 04:20:25,537 INFO L78 Accepts]: Start accepts. Automaton has 3262 states and 4490 transitions. Word has length 75 [2022-07-23 04:20:25,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:20:25,538 INFO L495 AbstractCegarLoop]: Abstraction has 3262 states and 4490 transitions. [2022-07-23 04:20:25,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:20:25,538 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 4490 transitions. [2022-07-23 04:20:25,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-23 04:20:25,546 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:20:25,546 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:20:25,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 04:20:25,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:20:25,760 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:20:25,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:20:25,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1300242617, now seen corresponding path program 1 times [2022-07-23 04:20:25,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:20:25,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2043931144] [2022-07-23 04:20:25,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:20:25,763 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:20:25,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:20:25,772 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:20:25,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 04:20:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:20:26,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 04:20:26,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:20:27,018 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 04:20:27,023 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:20:27,023 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:20:27,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2043931144] [2022-07-23 04:20:27,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2043931144] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:20:27,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:20:27,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 04:20:27,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536078127] [2022-07-23 04:20:27,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:20:27,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:20:27,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:20:27,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:20:27,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:20:27,025 INFO L87 Difference]: Start difference. First operand 3262 states and 4490 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:20:27,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:20:27,167 INFO L93 Difference]: Finished difference Result 4961 states and 6762 transitions. [2022-07-23 04:20:27,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:20:27,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2022-07-23 04:20:27,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:20:27,180 INFO L225 Difference]: With dead ends: 4961 [2022-07-23 04:20:27,181 INFO L226 Difference]: Without dead ends: 1735 [2022-07-23 04:20:27,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:20:27,198 INFO L413 NwaCegarLoop]: 2327 mSDtfsCounter, 2318 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2318 SdHoareTripleChecker+Valid, 2327 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:20:27,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2318 Valid, 2327 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:20:27,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2022-07-23 04:20:27,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1735. [2022-07-23 04:20:27,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1735 states, 1195 states have (on average 1.2552301255230125) internal successors, (1500), 1249 states have internal predecessors, (1500), 415 states have call successors, (415), 99 states have call predecessors, (415), 98 states have return successors, (413), 404 states have call predecessors, (413), 413 states have call successors, (413) [2022-07-23 04:20:27,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 2328 transitions. [2022-07-23 04:20:27,278 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 2328 transitions. Word has length 75 [2022-07-23 04:20:27,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:20:27,278 INFO L495 AbstractCegarLoop]: Abstraction has 1735 states and 2328 transitions. [2022-07-23 04:20:27,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:20:27,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2328 transitions. [2022-07-23 04:20:27,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-23 04:20:27,281 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:20:27,281 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:20:27,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 04:20:27,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:20:27,487 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:20:27,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:20:27,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1308544841, now seen corresponding path program 1 times [2022-07-23 04:20:27,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:20:27,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392737891] [2022-07-23 04:20:27,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:20:27,490 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:20:27,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:20:27,500 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:20:27,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 04:20:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:20:28,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 04:20:28,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:20:28,814 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 04:20:28,815 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:20:28,815 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:20:28,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392737891] [2022-07-23 04:20:28,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392737891] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:20:28,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:20:28,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 04:20:28,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745376386] [2022-07-23 04:20:28,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:20:28,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:20:28,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:20:28,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:20:28,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:20:28,823 INFO L87 Difference]: Start difference. First operand 1735 states and 2328 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:20:28,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:20:28,904 INFO L93 Difference]: Finished difference Result 3462 states and 4646 transitions. [2022-07-23 04:20:28,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:20:28,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2022-07-23 04:20:28,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:20:28,917 INFO L225 Difference]: With dead ends: 3462 [2022-07-23 04:20:28,917 INFO L226 Difference]: Without dead ends: 1735 [2022-07-23 04:20:28,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:20:28,931 INFO L413 NwaCegarLoop]: 2326 mSDtfsCounter, 2316 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2316 SdHoareTripleChecker+Valid, 2326 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:20:28,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2316 Valid, 2326 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:20:28,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2022-07-23 04:20:28,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1735. [2022-07-23 04:20:28,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1735 states, 1195 states have (on average 1.2543933054393306) internal successors, (1499), 1249 states have internal predecessors, (1499), 415 states have call successors, (415), 99 states have call predecessors, (415), 98 states have return successors, (413), 404 states have call predecessors, (413), 413 states have call successors, (413) [2022-07-23 04:20:28,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 2327 transitions. [2022-07-23 04:20:28,999 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 2327 transitions. Word has length 75 [2022-07-23 04:20:29,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:20:29,001 INFO L495 AbstractCegarLoop]: Abstraction has 1735 states and 2327 transitions. [2022-07-23 04:20:29,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:20:29,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2327 transitions. [2022-07-23 04:20:29,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-23 04:20:29,003 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:20:29,003 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:20:29,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 04:20:29,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:20:29,217 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:20:29,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:20:29,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1254151943, now seen corresponding path program 1 times [2022-07-23 04:20:29,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:20:29,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [223805724] [2022-07-23 04:20:29,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:20:29,219 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:20:29,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:20:29,220 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:20:29,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 04:20:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:20:30,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 04:20:30,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:20:30,190 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 04:20:30,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:20:30,191 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:20:30,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [223805724] [2022-07-23 04:20:30,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [223805724] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:20:30,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:20:30,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 04:20:30,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917615938] [2022-07-23 04:20:30,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:20:30,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:20:30,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:20:30,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:20:30,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:20:30,192 INFO L87 Difference]: Start difference. First operand 1735 states and 2327 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:20:30,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:20:30,308 INFO L93 Difference]: Finished difference Result 3455 states and 4633 transitions. [2022-07-23 04:20:30,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:20:30,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2022-07-23 04:20:30,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:20:30,322 INFO L225 Difference]: With dead ends: 3455 [2022-07-23 04:20:30,323 INFO L226 Difference]: Without dead ends: 1734 [2022-07-23 04:20:30,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:20:30,333 INFO L413 NwaCegarLoop]: 2316 mSDtfsCounter, 2309 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2309 SdHoareTripleChecker+Valid, 2316 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:20:30,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2309 Valid, 2316 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:20:30,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2022-07-23 04:20:30,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1734. [2022-07-23 04:20:30,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1734 states, 1194 states have (on average 1.2504187604690118) internal successors, (1493), 1248 states have internal predecessors, (1493), 415 states have call successors, (415), 99 states have call predecessors, (415), 98 states have return successors, (413), 404 states have call predecessors, (413), 413 states have call successors, (413) [2022-07-23 04:20:30,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2321 transitions. [2022-07-23 04:20:30,407 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2321 transitions. Word has length 75 [2022-07-23 04:20:30,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:20:30,407 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2321 transitions. [2022-07-23 04:20:30,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:20:30,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2321 transitions. [2022-07-23 04:20:30,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-23 04:20:30,408 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:20:30,409 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:20:30,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-23 04:20:30,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:20:30,618 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:20:30,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:20:30,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1230206929, now seen corresponding path program 1 times [2022-07-23 04:20:30,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:20:30,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058955754] [2022-07-23 04:20:30,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:20:30,620 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:20:30,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:20:30,628 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:20:30,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 04:20:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:20:31,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 04:20:31,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:20:31,602 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 04:20:31,603 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:20:31,603 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:20:31,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058955754] [2022-07-23 04:20:31,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058955754] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:20:31,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:20:31,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 04:20:31,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913856843] [2022-07-23 04:20:31,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:20:31,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:20:31,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:20:31,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:20:31,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:20:31,605 INFO L87 Difference]: Start difference. First operand 1734 states and 2321 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:20:31,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:20:31,719 INFO L93 Difference]: Finished difference Result 3441 states and 4614 transitions. [2022-07-23 04:20:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:20:31,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2022-07-23 04:20:31,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:20:31,729 INFO L225 Difference]: With dead ends: 3441 [2022-07-23 04:20:31,729 INFO L226 Difference]: Without dead ends: 1722 [2022-07-23 04:20:31,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:20:31,738 INFO L413 NwaCegarLoop]: 2297 mSDtfsCounter, 2282 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2282 SdHoareTripleChecker+Valid, 2297 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:20:31,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2282 Valid, 2297 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:20:31,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2022-07-23 04:20:31,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1722. [2022-07-23 04:20:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1722 states, 1182 states have (on average 1.245346869712352) internal successors, (1472), 1236 states have internal predecessors, (1472), 415 states have call successors, (415), 99 states have call predecessors, (415), 98 states have return successors, (413), 404 states have call predecessors, (413), 413 states have call successors, (413) [2022-07-23 04:20:31,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 2300 transitions. [2022-07-23 04:20:31,814 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 2300 transitions. Word has length 79 [2022-07-23 04:20:31,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:20:31,814 INFO L495 AbstractCegarLoop]: Abstraction has 1722 states and 2300 transitions. [2022-07-23 04:20:31,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:20:31,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2300 transitions. [2022-07-23 04:20:31,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-23 04:20:31,819 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:20:31,820 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:20:31,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 04:20:32,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:20:32,035 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:20:32,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:20:32,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1103185709, now seen corresponding path program 1 times [2022-07-23 04:20:32,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:20:32,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [632427715] [2022-07-23 04:20:32,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:20:32,038 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:20:32,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:20:32,042 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:20:32,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 04:20:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:20:33,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 1077 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 04:20:33,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:20:33,230 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 04:20:33,230 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:20:33,230 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:20:33,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [632427715] [2022-07-23 04:20:33,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [632427715] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:20:33,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:20:33,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 04:20:33,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412820901] [2022-07-23 04:20:33,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:20:33,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:20:33,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:20:33,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:20:33,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:20:33,232 INFO L87 Difference]: Start difference. First operand 1722 states and 2300 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:20:33,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:20:33,304 INFO L93 Difference]: Finished difference Result 3428 states and 4589 transitions. [2022-07-23 04:20:33,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:20:33,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2022-07-23 04:20:33,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:20:33,314 INFO L225 Difference]: With dead ends: 3428 [2022-07-23 04:20:33,314 INFO L226 Difference]: Without dead ends: 1722 [2022-07-23 04:20:33,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:20:33,323 INFO L413 NwaCegarLoop]: 2296 mSDtfsCounter, 2279 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2279 SdHoareTripleChecker+Valid, 2296 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:20:33,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2279 Valid, 2296 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:20:33,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2022-07-23 04:20:33,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1722. [2022-07-23 04:20:33,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1722 states, 1182 states have (on average 1.2436548223350254) internal successors, (1470), 1236 states have internal predecessors, (1470), 415 states have call successors, (415), 99 states have call predecessors, (415), 98 states have return successors, (413), 404 states have call predecessors, (413), 413 states have call successors, (413) [2022-07-23 04:20:33,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 2298 transitions. [2022-07-23 04:20:33,379 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 2298 transitions. Word has length 79 [2022-07-23 04:20:33,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:20:33,379 INFO L495 AbstractCegarLoop]: Abstraction has 1722 states and 2298 transitions. [2022-07-23 04:20:33,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:20:33,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2298 transitions. [2022-07-23 04:20:33,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-23 04:20:33,380 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:20:33,380 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:20:33,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 04:20:33,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:20:33,594 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:20:33,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:20:33,595 INFO L85 PathProgramCache]: Analyzing trace with hash -901361775, now seen corresponding path program 1 times [2022-07-23 04:20:33,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:20:33,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1324348589] [2022-07-23 04:20:33,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:20:33,596 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:20:33,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:20:33,597 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:20:33,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 04:20:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:20:34,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 04:20:34,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:20:34,507 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 04:20:34,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:20:34,508 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:20:34,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1324348589] [2022-07-23 04:20:34,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1324348589] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:20:34,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:20:34,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 04:20:34,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116738599] [2022-07-23 04:20:34,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:20:34,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:20:34,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:20:34,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:20:34,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:20:34,509 INFO L87 Difference]: Start difference. First operand 1722 states and 2298 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:20:34,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:20:34,564 INFO L93 Difference]: Finished difference Result 3425 states and 4582 transitions. [2022-07-23 04:20:34,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:20:34,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2022-07-23 04:20:34,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:20:34,571 INFO L225 Difference]: With dead ends: 3425 [2022-07-23 04:20:34,572 INFO L226 Difference]: Without dead ends: 1720 [2022-07-23 04:20:34,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:20:34,579 INFO L413 NwaCegarLoop]: 2292 mSDtfsCounter, 2274 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2274 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:20:34,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2274 Valid, 2292 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:20:34,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2022-07-23 04:20:34,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1720. [2022-07-23 04:20:34,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1720 states, 1180 states have (on average 1.2423728813559323) internal successors, (1466), 1234 states have internal predecessors, (1466), 415 states have call successors, (415), 99 states have call predecessors, (415), 98 states have return successors, (413), 404 states have call predecessors, (413), 413 states have call successors, (413) [2022-07-23 04:20:34,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 2294 transitions. [2022-07-23 04:20:34,671 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 2294 transitions. Word has length 79 [2022-07-23 04:20:34,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:20:34,672 INFO L495 AbstractCegarLoop]: Abstraction has 1720 states and 2294 transitions. [2022-07-23 04:20:34,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:20:34,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2294 transitions. [2022-07-23 04:20:34,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-23 04:20:34,673 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:20:34,673 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:20:34,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-23 04:20:34,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:20:34,879 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:20:34,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:20:34,880 INFO L85 PathProgramCache]: Analyzing trace with hash -340661997, now seen corresponding path program 1 times [2022-07-23 04:20:34,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:20:34,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [736237484] [2022-07-23 04:20:34,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:20:34,881 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:20:34,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:20:34,882 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:20:34,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-23 04:20:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:20:35,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 04:20:35,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:20:35,841 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 04:20:35,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:20:35,842 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:20:35,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [736237484] [2022-07-23 04:20:35,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [736237484] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:20:35,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:20:35,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 04:20:35,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236225085] [2022-07-23 04:20:35,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:20:35,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:20:35,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:20:35,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:20:35,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:20:35,844 INFO L87 Difference]: Start difference. First operand 1720 states and 2294 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:20:36,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:20:36,002 INFO L93 Difference]: Finished difference Result 5072 states and 6779 transitions. [2022-07-23 04:20:36,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:20:36,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2022-07-23 04:20:36,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:20:36,017 INFO L225 Difference]: With dead ends: 5072 [2022-07-23 04:20:36,018 INFO L226 Difference]: Without dead ends: 3370 [2022-07-23 04:20:36,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:20:36,026 INFO L413 NwaCegarLoop]: 2686 mSDtfsCounter, 2217 mSDsluCounter, 2245 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2217 SdHoareTripleChecker+Valid, 4931 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 04:20:36,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2217 Valid, 4931 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 04:20:36,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3370 states. [2022-07-23 04:20:36,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3370 to 3162. [2022-07-23 04:20:36,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3162 states, 2188 states have (on average 1.2477148080438756) internal successors, (2730), 2270 states have internal predecessors, (2730), 770 states have call successors, (770), 178 states have call predecessors, (770), 177 states have return successors, (775), 748 states have call predecessors, (775), 768 states have call successors, (775) [2022-07-23 04:20:36,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 3162 states and 4275 transitions. [2022-07-23 04:20:36,160 INFO L78 Accepts]: Start accepts. Automaton has 3162 states and 4275 transitions. Word has length 79 [2022-07-23 04:20:36,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:20:36,160 INFO L495 AbstractCegarLoop]: Abstraction has 3162 states and 4275 transitions. [2022-07-23 04:20:36,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 04:20:36,161 INFO L276 IsEmpty]: Start isEmpty. Operand 3162 states and 4275 transitions. [2022-07-23 04:20:36,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-23 04:20:36,162 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:20:36,162 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:20:36,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-23 04:20:36,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:20:36,384 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:20:36,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:20:36,384 INFO L85 PathProgramCache]: Analyzing trace with hash 93067089, now seen corresponding path program 1 times [2022-07-23 04:20:36,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:20:36,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [637884985] [2022-07-23 04:20:36,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:20:36,386 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:20:36,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:20:36,387 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:20:36,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-23 04:20:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:20:37,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:20:37,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:20:37,788 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:20:37,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:20:37,788 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:20:37,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [637884985] [2022-07-23 04:20:37,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [637884985] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:20:37,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:20:37,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:20:37,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158150812] [2022-07-23 04:20:37,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:20:37,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:20:37,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:20:37,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:20:37,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:20:37,790 INFO L87 Difference]: Start difference. First operand 3162 states and 4275 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-23 04:20:37,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:20:37,942 INFO L93 Difference]: Finished difference Result 3162 states and 4275 transitions. [2022-07-23 04:20:37,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:20:37,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 79 [2022-07-23 04:20:37,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:20:37,955 INFO L225 Difference]: With dead ends: 3162 [2022-07-23 04:20:37,956 INFO L226 Difference]: Without dead ends: 3160 [2022-07-23 04:20:37,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:20:37,958 INFO L413 NwaCegarLoop]: 2289 mSDtfsCounter, 2227 mSDsluCounter, 2287 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2229 SdHoareTripleChecker+Valid, 4576 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:20:37,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2229 Valid, 4576 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:20:37,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3160 states. [2022-07-23 04:20:38,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3160 to 3160. [2022-07-23 04:20:38,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3160 states, 2187 states have (on average 1.247370827617741) internal successors, (2728), 2268 states have internal predecessors, (2728), 770 states have call successors, (770), 178 states have call predecessors, (770), 177 states have return successors, (775), 748 states have call predecessors, (775), 768 states have call successors, (775) [2022-07-23 04:20:38,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 3160 states and 4273 transitions. [2022-07-23 04:20:38,064 INFO L78 Accepts]: Start accepts. Automaton has 3160 states and 4273 transitions. Word has length 79 [2022-07-23 04:20:38,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:20:38,066 INFO L495 AbstractCegarLoop]: Abstraction has 3160 states and 4273 transitions. [2022-07-23 04:20:38,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-07-23 04:20:38,066 INFO L276 IsEmpty]: Start isEmpty. Operand 3160 states and 4273 transitions. [2022-07-23 04:20:38,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-07-23 04:20:38,068 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:20:38,068 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:20:38,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-07-23 04:20:38,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:20:38,283 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:20:38,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:20:38,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1468122798, now seen corresponding path program 1 times [2022-07-23 04:20:38,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:20:38,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877766077] [2022-07-23 04:20:38,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:20:38,285 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:20:38,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:20:38,286 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:20:38,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-23 04:20:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:20:39,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:20:39,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:20:39,623 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:20:39,623 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:20:39,623 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:20:39,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877766077] [2022-07-23 04:20:39,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [877766077] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:20:39,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:20:39,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:20:39,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858465541] [2022-07-23 04:20:39,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:20:39,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:20:39,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:20:39,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:20:39,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:20:39,624 INFO L87 Difference]: Start difference. First operand 3160 states and 4273 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-23 04:20:39,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:20:39,730 INFO L93 Difference]: Finished difference Result 3160 states and 4273 transitions. [2022-07-23 04:20:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:20:39,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 85 [2022-07-23 04:20:39,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:20:39,743 INFO L225 Difference]: With dead ends: 3160 [2022-07-23 04:20:39,743 INFO L226 Difference]: Without dead ends: 3158 [2022-07-23 04:20:39,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:20:39,745 INFO L413 NwaCegarLoop]: 2287 mSDtfsCounter, 2219 mSDsluCounter, 2285 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2221 SdHoareTripleChecker+Valid, 4572 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:20:39,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2221 Valid, 4572 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:20:39,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2022-07-23 04:20:39,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 3158. [2022-07-23 04:20:39,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3158 states, 2186 states have (on average 1.2470265324794145) internal successors, (2726), 2266 states have internal predecessors, (2726), 770 states have call successors, (770), 178 states have call predecessors, (770), 177 states have return successors, (775), 748 states have call predecessors, (775), 768 states have call successors, (775) [2022-07-23 04:20:39,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3158 states to 3158 states and 4271 transitions. [2022-07-23 04:20:39,879 INFO L78 Accepts]: Start accepts. Automaton has 3158 states and 4271 transitions. Word has length 85 [2022-07-23 04:20:39,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:20:39,880 INFO L495 AbstractCegarLoop]: Abstraction has 3158 states and 4271 transitions. [2022-07-23 04:20:39,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-07-23 04:20:39,880 INFO L276 IsEmpty]: Start isEmpty. Operand 3158 states and 4271 transitions. [2022-07-23 04:20:39,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-23 04:20:39,882 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:20:39,882 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:20:39,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-23 04:20:40,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:20:40,095 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:20:40,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:20:40,096 INFO L85 PathProgramCache]: Analyzing trace with hash 473245616, now seen corresponding path program 1 times [2022-07-23 04:20:40,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:20:40,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267198265] [2022-07-23 04:20:40,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:20:40,097 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:20:40,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:20:40,098 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:20:40,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-23 04:20:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:20:40,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:20:40,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:20:41,485 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:20:41,485 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:20:41,485 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:20:41,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [267198265] [2022-07-23 04:20:41,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [267198265] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:20:41,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:20:41,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:20:41,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830330891] [2022-07-23 04:20:41,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:20:41,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:20:41,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:20:41,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:20:41,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:20:41,487 INFO L87 Difference]: Start difference. First operand 3158 states and 4271 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-23 04:20:41,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:20:41,639 INFO L93 Difference]: Finished difference Result 3158 states and 4271 transitions. [2022-07-23 04:20:41,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:20:41,640 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 91 [2022-07-23 04:20:41,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:20:41,657 INFO L225 Difference]: With dead ends: 3158 [2022-07-23 04:20:41,659 INFO L226 Difference]: Without dead ends: 3156 [2022-07-23 04:20:41,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:20:41,662 INFO L413 NwaCegarLoop]: 2285 mSDtfsCounter, 2211 mSDsluCounter, 2283 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2213 SdHoareTripleChecker+Valid, 4568 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:20:41,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2213 Valid, 4568 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:20:41,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3156 states. [2022-07-23 04:20:41,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3156 to 3156. [2022-07-23 04:20:41,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3156 states, 2185 states have (on average 1.2466819221967964) internal successors, (2724), 2264 states have internal predecessors, (2724), 770 states have call successors, (770), 178 states have call predecessors, (770), 177 states have return successors, (775), 748 states have call predecessors, (775), 768 states have call successors, (775) [2022-07-23 04:20:41,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 3156 states and 4269 transitions. [2022-07-23 04:20:41,794 INFO L78 Accepts]: Start accepts. Automaton has 3156 states and 4269 transitions. Word has length 91 [2022-07-23 04:20:41,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:20:41,794 INFO L495 AbstractCegarLoop]: Abstraction has 3156 states and 4269 transitions. [2022-07-23 04:20:41,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-23 04:20:41,795 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 4269 transitions. [2022-07-23 04:20:41,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-23 04:20:41,803 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:20:41,804 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:20:41,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-23 04:20:42,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:20:42,022 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:20:42,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:20:42,023 INFO L85 PathProgramCache]: Analyzing trace with hash 237494877, now seen corresponding path program 1 times [2022-07-23 04:20:42,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:20:42,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977920164] [2022-07-23 04:20:42,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:20:42,024 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:20:42,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:20:42,026 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:20:42,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-23 04:20:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:20:42,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:20:42,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:20:43,522 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:20:43,522 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:20:43,522 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:20:43,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977920164] [2022-07-23 04:20:43,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977920164] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:20:43,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:20:43,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:20:43,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229915415] [2022-07-23 04:20:43,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:20:43,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:20:43,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:20:43,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:20:43,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:20:43,524 INFO L87 Difference]: Start difference. First operand 3156 states and 4269 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-23 04:20:43,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:20:43,656 INFO L93 Difference]: Finished difference Result 3156 states and 4269 transitions. [2022-07-23 04:20:43,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:20:43,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 97 [2022-07-23 04:20:43,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:20:43,686 INFO L225 Difference]: With dead ends: 3156 [2022-07-23 04:20:43,686 INFO L226 Difference]: Without dead ends: 3154 [2022-07-23 04:20:43,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:20:43,690 INFO L413 NwaCegarLoop]: 2283 mSDtfsCounter, 2203 mSDsluCounter, 2281 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2205 SdHoareTripleChecker+Valid, 4564 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:20:43,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2205 Valid, 4564 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:20:43,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3154 states. [2022-07-23 04:20:43,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3154 to 3154. [2022-07-23 04:20:43,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3154 states, 2184 states have (on average 1.2463369963369964) internal successors, (2722), 2262 states have internal predecessors, (2722), 770 states have call successors, (770), 178 states have call predecessors, (770), 177 states have return successors, (775), 748 states have call predecessors, (775), 768 states have call successors, (775) [2022-07-23 04:20:43,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 3154 states and 4267 transitions. [2022-07-23 04:20:43,820 INFO L78 Accepts]: Start accepts. Automaton has 3154 states and 4267 transitions. Word has length 97 [2022-07-23 04:20:43,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:20:43,821 INFO L495 AbstractCegarLoop]: Abstraction has 3154 states and 4267 transitions. [2022-07-23 04:20:43,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-23 04:20:43,821 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 4267 transitions. [2022-07-23 04:20:43,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-23 04:20:43,822 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:20:43,823 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:20:43,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-23 04:20:44,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:20:44,030 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:20:44,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:20:44,030 INFO L85 PathProgramCache]: Analyzing trace with hash 254006595, now seen corresponding path program 1 times [2022-07-23 04:20:44,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:20:44,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1137992631] [2022-07-23 04:20:44,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:20:44,031 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:20:44,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:20:44,032 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:20:44,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-23 04:20:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:20:44,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:20:44,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:20:45,555 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:20:45,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:20:45,555 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:20:45,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1137992631] [2022-07-23 04:20:45,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1137992631] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:20:45,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:20:45,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:20:45,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47556300] [2022-07-23 04:20:45,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:20:45,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:20:45,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:20:45,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:20:45,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:20:45,556 INFO L87 Difference]: Start difference. First operand 3154 states and 4267 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-07-23 04:20:45,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:20:45,690 INFO L93 Difference]: Finished difference Result 3154 states and 4267 transitions. [2022-07-23 04:20:45,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:20:45,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 103 [2022-07-23 04:20:45,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:20:45,699 INFO L225 Difference]: With dead ends: 3154 [2022-07-23 04:20:45,700 INFO L226 Difference]: Without dead ends: 3152 [2022-07-23 04:20:45,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:20:45,701 INFO L413 NwaCegarLoop]: 2281 mSDtfsCounter, 2195 mSDsluCounter, 2279 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2197 SdHoareTripleChecker+Valid, 4560 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:20:45,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2197 Valid, 4560 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:20:45,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3152 states. [2022-07-23 04:20:45,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3152 to 3152. [2022-07-23 04:20:45,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3152 states, 2183 states have (on average 1.2459917544663308) internal successors, (2720), 2260 states have internal predecessors, (2720), 770 states have call successors, (770), 178 states have call predecessors, (770), 177 states have return successors, (775), 748 states have call predecessors, (775), 768 states have call successors, (775) [2022-07-23 04:20:45,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 3152 states and 4265 transitions. [2022-07-23 04:20:45,849 INFO L78 Accepts]: Start accepts. Automaton has 3152 states and 4265 transitions. Word has length 103 [2022-07-23 04:20:45,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:20:45,849 INFO L495 AbstractCegarLoop]: Abstraction has 3152 states and 4265 transitions. [2022-07-23 04:20:45,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-07-23 04:20:45,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3152 states and 4265 transitions. [2022-07-23 04:20:45,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-23 04:20:45,851 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:20:45,851 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:20:45,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-23 04:20:46,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:20:46,071 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:20:46,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:20:46,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1937295103, now seen corresponding path program 1 times [2022-07-23 04:20:46,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:20:46,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [91569417] [2022-07-23 04:20:46,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:20:46,073 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:20:46,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:20:46,074 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:20:46,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-23 04:20:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:20:46,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 1119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:20:46,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:20:47,569 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:20:47,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:20:47,570 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:20:47,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [91569417] [2022-07-23 04:20:47,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [91569417] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:20:47,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:20:47,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:20:47,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946350731] [2022-07-23 04:20:47,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:20:47,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:20:47,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:20:47,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:20:47,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:20:47,571 INFO L87 Difference]: Start difference. First operand 3152 states and 4265 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-07-23 04:20:47,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:20:47,676 INFO L93 Difference]: Finished difference Result 3152 states and 4265 transitions. [2022-07-23 04:20:47,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:20:47,676 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 109 [2022-07-23 04:20:47,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:20:47,685 INFO L225 Difference]: With dead ends: 3152 [2022-07-23 04:20:47,685 INFO L226 Difference]: Without dead ends: 3150 [2022-07-23 04:20:47,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:20:47,687 INFO L413 NwaCegarLoop]: 2279 mSDtfsCounter, 2187 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2189 SdHoareTripleChecker+Valid, 4556 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:20:47,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2189 Valid, 4556 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:20:47,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-07-23 04:20:47,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3150. [2022-07-23 04:20:47,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3150 states, 2182 states have (on average 1.245646196150321) internal successors, (2718), 2258 states have internal predecessors, (2718), 770 states have call successors, (770), 178 states have call predecessors, (770), 177 states have return successors, (775), 748 states have call predecessors, (775), 768 states have call successors, (775) [2022-07-23 04:20:47,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4263 transitions. [2022-07-23 04:20:47,842 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4263 transitions. Word has length 109 [2022-07-23 04:20:47,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:20:47,842 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 4263 transitions. [2022-07-23 04:20:47,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-07-23 04:20:47,843 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4263 transitions. [2022-07-23 04:20:47,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-23 04:20:47,844 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:20:47,844 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:20:47,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-07-23 04:20:48,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:20:48,067 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:20:48,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:20:48,068 INFO L85 PathProgramCache]: Analyzing trace with hash -682899368, now seen corresponding path program 1 times [2022-07-23 04:20:48,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:20:48,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2015269137] [2022-07-23 04:20:48,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:20:48,069 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:20:48,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:20:48,070 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:20:48,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-07-23 04:20:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:20:48,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:20:48,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:20:49,760 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:20:49,760 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:20:49,760 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:20:49,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2015269137] [2022-07-23 04:20:49,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2015269137] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:20:49,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:20:49,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:20:49,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911907152] [2022-07-23 04:20:49,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:20:49,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:20:49,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:20:49,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:20:49,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:20:49,762 INFO L87 Difference]: Start difference. First operand 3150 states and 4263 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-23 04:20:49,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:20:49,875 INFO L93 Difference]: Finished difference Result 3150 states and 4263 transitions. [2022-07-23 04:20:49,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:20:49,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 115 [2022-07-23 04:20:49,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:20:49,883 INFO L225 Difference]: With dead ends: 3150 [2022-07-23 04:20:49,883 INFO L226 Difference]: Without dead ends: 3148 [2022-07-23 04:20:49,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:20:49,885 INFO L413 NwaCegarLoop]: 2277 mSDtfsCounter, 2179 mSDsluCounter, 2275 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2181 SdHoareTripleChecker+Valid, 4552 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:20:49,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2181 Valid, 4552 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:20:49,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2022-07-23 04:20:49,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3148. [2022-07-23 04:20:49,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3148 states, 2181 states have (on average 1.245300320953691) internal successors, (2716), 2256 states have internal predecessors, (2716), 770 states have call successors, (770), 178 states have call predecessors, (770), 177 states have return successors, (775), 748 states have call predecessors, (775), 768 states have call successors, (775) [2022-07-23 04:20:49,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 4261 transitions. [2022-07-23 04:20:49,989 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 4261 transitions. Word has length 115 [2022-07-23 04:20:49,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:20:49,990 INFO L495 AbstractCegarLoop]: Abstraction has 3148 states and 4261 transitions. [2022-07-23 04:20:49,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-23 04:20:49,990 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 4261 transitions. [2022-07-23 04:20:49,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-23 04:20:49,991 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:20:49,991 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:20:50,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-07-23 04:20:50,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:20:50,207 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:20:50,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:20:50,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1128863081, now seen corresponding path program 1 times [2022-07-23 04:20:50,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:20:50,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1665442027] [2022-07-23 04:20:50,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:20:50,209 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:20:50,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:20:50,216 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:20:50,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-07-23 04:20:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:20:51,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-23 04:20:51,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:20:51,877 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-07-23 04:20:51,878 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:20:51,878 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:20:51,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1665442027] [2022-07-23 04:20:51,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1665442027] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:20:51,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:20:51,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-23 04:20:51,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866139873] [2022-07-23 04:20:51,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:20:51,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-23 04:20:51,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:20:51,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-23 04:20:51,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-07-23 04:20:51,880 INFO L87 Difference]: Start difference. First operand 3148 states and 4261 transitions. Second operand has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 6 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2022-07-23 04:20:54,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:20:54,571 INFO L93 Difference]: Finished difference Result 4751 states and 6387 transitions. [2022-07-23 04:20:54,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-23 04:20:54,571 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 6 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) Word has length 141 [2022-07-23 04:20:54,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:20:54,585 INFO L225 Difference]: With dead ends: 4751 [2022-07-23 04:20:54,585 INFO L226 Difference]: Without dead ends: 3199 [2022-07-23 04:20:54,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2022-07-23 04:20:54,597 INFO L413 NwaCegarLoop]: 2279 mSDtfsCounter, 44 mSDsluCounter, 27058 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 29337 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-23 04:20:54,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 29337 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-23 04:20:54,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3199 states. [2022-07-23 04:20:54,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3199 to 3172. [2022-07-23 04:20:54,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3172 states, 2197 states have (on average 1.243513882567137) internal successors, (2732), 2272 states have internal predecessors, (2732), 778 states have call successors, (778), 178 states have call predecessors, (778), 177 states have return successors, (783), 756 states have call predecessors, (783), 776 states have call successors, (783) [2022-07-23 04:20:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 3172 states and 4293 transitions. [2022-07-23 04:20:54,779 INFO L78 Accepts]: Start accepts. Automaton has 3172 states and 4293 transitions. Word has length 141 [2022-07-23 04:20:54,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:20:54,779 INFO L495 AbstractCegarLoop]: Abstraction has 3172 states and 4293 transitions. [2022-07-23 04:20:54,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 13 states have internal predecessors, (76), 6 states have call successors, (19), 2 states have call predecessors, (19), 4 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2022-07-23 04:20:54,780 INFO L276 IsEmpty]: Start isEmpty. Operand 3172 states and 4293 transitions. [2022-07-23 04:20:54,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-23 04:20:54,781 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:20:54,782 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:20:54,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-07-23 04:20:54,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:20:54,991 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:20:54,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:20:54,992 INFO L85 PathProgramCache]: Analyzing trace with hash -904530965, now seen corresponding path program 1 times [2022-07-23 04:20:54,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:20:54,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [95583608] [2022-07-23 04:20:54,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:20:54,993 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:20:54,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:20:54,994 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:20:54,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-07-23 04:20:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:20:55,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 29 conjunts are in the unsatisfiable core [2022-07-23 04:20:55,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:20:57,037 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-07-23 04:20:57,037 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:20:57,037 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:20:57,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [95583608] [2022-07-23 04:20:57,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [95583608] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:20:57,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:20:57,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-23 04:20:57,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389879984] [2022-07-23 04:20:57,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:20:57,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-23 04:20:57,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:20:57,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-23 04:20:57,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-23 04:20:57,038 INFO L87 Difference]: Start difference. First operand 3172 states and 4293 transitions. Second operand has 12 states, 10 states have (on average 7.7) internal successors, (77), 9 states have internal predecessors, (77), 4 states have call successors, (22), 2 states have call predecessors, (22), 5 states have return successors, (20), 6 states have call predecessors, (20), 4 states have call successors, (20) [2022-07-23 04:20:59,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:20:59,122 INFO L93 Difference]: Finished difference Result 4715 states and 6331 transitions. [2022-07-23 04:20:59,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 04:20:59,122 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.7) internal successors, (77), 9 states have internal predecessors, (77), 4 states have call successors, (22), 2 states have call predecessors, (22), 5 states have return successors, (20), 6 states have call predecessors, (20), 4 states have call successors, (20) Word has length 141 [2022-07-23 04:20:59,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:20:59,131 INFO L225 Difference]: With dead ends: 4715 [2022-07-23 04:20:59,131 INFO L226 Difference]: Without dead ends: 3205 [2022-07-23 04:20:59,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-07-23 04:20:59,137 INFO L413 NwaCegarLoop]: 2297 mSDtfsCounter, 215 mSDsluCounter, 22587 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 24884 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-23 04:20:59,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 24884 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-23 04:20:59,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2022-07-23 04:20:59,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3172. [2022-07-23 04:20:59,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3172 states, 2197 states have (on average 1.242603550295858) internal successors, (2730), 2270 states have internal predecessors, (2730), 778 states have call successors, (778), 178 states have call predecessors, (778), 177 states have return successors, (783), 756 states have call predecessors, (783), 776 states have call successors, (783) [2022-07-23 04:20:59,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 3172 states and 4291 transitions. [2022-07-23 04:20:59,249 INFO L78 Accepts]: Start accepts. Automaton has 3172 states and 4291 transitions. Word has length 141 [2022-07-23 04:20:59,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:20:59,250 INFO L495 AbstractCegarLoop]: Abstraction has 3172 states and 4291 transitions. [2022-07-23 04:20:59,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.7) internal successors, (77), 9 states have internal predecessors, (77), 4 states have call successors, (22), 2 states have call predecessors, (22), 5 states have return successors, (20), 6 states have call predecessors, (20), 4 states have call successors, (20) [2022-07-23 04:20:59,250 INFO L276 IsEmpty]: Start isEmpty. Operand 3172 states and 4291 transitions. [2022-07-23 04:20:59,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-23 04:20:59,251 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:20:59,251 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:20:59,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-07-23 04:20:59,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:20:59,468 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:20:59,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:20:59,468 INFO L85 PathProgramCache]: Analyzing trace with hash 2001262074, now seen corresponding path program 1 times [2022-07-23 04:20:59,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:20:59,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [364264558] [2022-07-23 04:20:59,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:20:59,469 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:20:59,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:20:59,470 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:20:59,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-07-23 04:21:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:00,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 1137 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:21:00,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:21:01,287 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:21:01,287 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:21:01,287 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:21:01,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [364264558] [2022-07-23 04:21:01,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [364264558] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:01,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:01,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:21:01,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650276712] [2022-07-23 04:21:01,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:01,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:21:01,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:21:01,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:21:01,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:21:01,289 INFO L87 Difference]: Start difference. First operand 3172 states and 4291 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-23 04:21:01,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:01,462 INFO L93 Difference]: Finished difference Result 3172 states and 4291 transitions. [2022-07-23 04:21:01,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:21:01,462 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 121 [2022-07-23 04:21:01,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:01,471 INFO L225 Difference]: With dead ends: 3172 [2022-07-23 04:21:01,471 INFO L226 Difference]: Without dead ends: 3170 [2022-07-23 04:21:01,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:21:01,472 INFO L413 NwaCegarLoop]: 2274 mSDtfsCounter, 2174 mSDsluCounter, 2268 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2176 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:01,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2176 Valid, 4542 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:21:01,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3170 states. [2022-07-23 04:21:01,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3170 to 3170. [2022-07-23 04:21:01,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3170 states, 2196 states have (on average 1.2422586520947176) internal successors, (2728), 2268 states have internal predecessors, (2728), 778 states have call successors, (778), 178 states have call predecessors, (778), 177 states have return successors, (783), 756 states have call predecessors, (783), 776 states have call successors, (783) [2022-07-23 04:21:01,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 3170 states and 4289 transitions. [2022-07-23 04:21:01,591 INFO L78 Accepts]: Start accepts. Automaton has 3170 states and 4289 transitions. Word has length 121 [2022-07-23 04:21:01,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:01,594 INFO L495 AbstractCegarLoop]: Abstraction has 3170 states and 4289 transitions. [2022-07-23 04:21:01,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-23 04:21:01,594 INFO L276 IsEmpty]: Start isEmpty. Operand 3170 states and 4289 transitions. [2022-07-23 04:21:01,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-23 04:21:01,595 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:01,595 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:01,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Ended with exit code 0 [2022-07-23 04:21:01,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:21:01,809 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:21:01,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:01,810 INFO L85 PathProgramCache]: Analyzing trace with hash -932355171, now seen corresponding path program 1 times [2022-07-23 04:21:01,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:21:01,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [329811693] [2022-07-23 04:21:01,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:01,811 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:21:01,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:21:01,812 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:21:01,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-07-23 04:21:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:02,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 1140 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:21:02,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:21:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:21:03,653 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:21:03,653 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:21:03,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [329811693] [2022-07-23 04:21:03,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [329811693] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:03,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:03,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:21:03,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978417628] [2022-07-23 04:21:03,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:03,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:21:03,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:21:03,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:21:03,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:21:03,655 INFO L87 Difference]: Start difference. First operand 3170 states and 4289 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-23 04:21:03,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:03,791 INFO L93 Difference]: Finished difference Result 3170 states and 4289 transitions. [2022-07-23 04:21:03,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:21:03,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 123 [2022-07-23 04:21:03,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:03,800 INFO L225 Difference]: With dead ends: 3170 [2022-07-23 04:21:03,800 INFO L226 Difference]: Without dead ends: 3168 [2022-07-23 04:21:03,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:21:03,802 INFO L413 NwaCegarLoop]: 2272 mSDtfsCounter, 2166 mSDsluCounter, 2270 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2168 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:03,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2168 Valid, 4542 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:21:03,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3168 states. [2022-07-23 04:21:03,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3168 to 3168. [2022-07-23 04:21:03,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3168 states, 2195 states have (on average 1.2419134396355354) internal successors, (2726), 2266 states have internal predecessors, (2726), 778 states have call successors, (778), 178 states have call predecessors, (778), 177 states have return successors, (783), 756 states have call predecessors, (783), 776 states have call successors, (783) [2022-07-23 04:21:03,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 3168 states and 4287 transitions. [2022-07-23 04:21:03,956 INFO L78 Accepts]: Start accepts. Automaton has 3168 states and 4287 transitions. Word has length 123 [2022-07-23 04:21:03,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:03,956 INFO L495 AbstractCegarLoop]: Abstraction has 3168 states and 4287 transitions. [2022-07-23 04:21:03,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-07-23 04:21:03,957 INFO L276 IsEmpty]: Start isEmpty. Operand 3168 states and 4287 transitions. [2022-07-23 04:21:03,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-07-23 04:21:03,958 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:03,958 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:03,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-07-23 04:21:04,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:21:04,180 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:21:04,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:04,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1539177400, now seen corresponding path program 1 times [2022-07-23 04:21:04,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:21:04,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886291726] [2022-07-23 04:21:04,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:04,182 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:21:04,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:21:04,192 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:21:04,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-07-23 04:21:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:05,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 04:21:05,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:21:06,334 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-07-23 04:21:06,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:21:06,335 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:21:06,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1886291726] [2022-07-23 04:21:06,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1886291726] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:06,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:06,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 04:21:06,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452654212] [2022-07-23 04:21:06,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:06,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:21:06,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:21:06,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:21:06,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:21:06,336 INFO L87 Difference]: Start difference. First operand 3168 states and 4287 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-23 04:21:06,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:06,578 INFO L93 Difference]: Finished difference Result 4041 states and 5442 transitions. [2022-07-23 04:21:06,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 04:21:06,579 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 145 [2022-07-23 04:21:06,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:06,591 INFO L225 Difference]: With dead ends: 4041 [2022-07-23 04:21:06,591 INFO L226 Difference]: Without dead ends: 4039 [2022-07-23 04:21:06,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-23 04:21:06,593 INFO L413 NwaCegarLoop]: 2842 mSDtfsCounter, 1626 mSDsluCounter, 6830 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1627 SdHoareTripleChecker+Valid, 9672 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:06,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1627 Valid, 9672 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:21:06,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4039 states. [2022-07-23 04:21:06,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4039 to 4035. [2022-07-23 04:21:06,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4035 states, 2791 states have (on average 1.2439985668219276) internal successors, (3472), 2869 states have internal predecessors, (3472), 980 states have call successors, (980), 248 states have call predecessors, (980), 247 states have return successors, (985), 956 states have call predecessors, (985), 978 states have call successors, (985) [2022-07-23 04:21:06,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4035 states to 4035 states and 5437 transitions. [2022-07-23 04:21:06,778 INFO L78 Accepts]: Start accepts. Automaton has 4035 states and 5437 transitions. Word has length 145 [2022-07-23 04:21:06,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:06,778 INFO L495 AbstractCegarLoop]: Abstraction has 4035 states and 5437 transitions. [2022-07-23 04:21:06,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-23 04:21:06,779 INFO L276 IsEmpty]: Start isEmpty. Operand 4035 states and 5437 transitions. [2022-07-23 04:21:06,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-23 04:21:06,781 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:06,781 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:06,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-07-23 04:21:06,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:21:06,991 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:21:06,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:06,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1853946059, now seen corresponding path program 1 times [2022-07-23 04:21:06,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:21:06,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1535361718] [2022-07-23 04:21:06,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:06,993 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:21:06,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:21:06,994 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:21:06,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-07-23 04:21:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:07,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 18 conjunts are in the unsatisfiable core [2022-07-23 04:21:07,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:21:08,261 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-07-23 04:21:08,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 04:21:09,139 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-23 04:21:09,139 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:21:09,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1535361718] [2022-07-23 04:21:09,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1535361718] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 04:21:09,139 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 04:21:09,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-07-23 04:21:09,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062567361] [2022-07-23 04:21:09,140 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 04:21:09,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 04:21:09,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:21:09,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 04:21:09,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-23 04:21:09,141 INFO L87 Difference]: Start difference. First operand 4035 states and 5437 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-23 04:21:10,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:10,879 INFO L93 Difference]: Finished difference Result 8336 states and 11295 transitions. [2022-07-23 04:21:10,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 04:21:10,880 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) Word has length 147 [2022-07-23 04:21:10,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:10,895 INFO L225 Difference]: With dead ends: 8336 [2022-07-23 04:21:10,895 INFO L226 Difference]: Without dead ends: 4332 [2022-07-23 04:21:10,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 283 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-07-23 04:21:10,908 INFO L413 NwaCegarLoop]: 2670 mSDtfsCounter, 523 mSDsluCounter, 17865 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 20535 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:10,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 20535 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-23 04:21:10,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4332 states. [2022-07-23 04:21:11,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4332 to 4035. [2022-07-23 04:21:11,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4035 states, 2791 states have (on average 1.2436402723038338) internal successors, (3471), 2868 states have internal predecessors, (3471), 980 states have call successors, (980), 248 states have call predecessors, (980), 247 states have return successors, (985), 956 states have call predecessors, (985), 978 states have call successors, (985) [2022-07-23 04:21:11,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4035 states to 4035 states and 5436 transitions. [2022-07-23 04:21:11,077 INFO L78 Accepts]: Start accepts. Automaton has 4035 states and 5436 transitions. Word has length 147 [2022-07-23 04:21:11,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:11,077 INFO L495 AbstractCegarLoop]: Abstraction has 4035 states and 5436 transitions. [2022-07-23 04:21:11,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 8 states have internal predecessors, (93), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 4 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-23 04:21:11,078 INFO L276 IsEmpty]: Start isEmpty. Operand 4035 states and 5436 transitions. [2022-07-23 04:21:11,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-23 04:21:11,079 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:11,079 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:11,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-07-23 04:21:11,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:21:11,295 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:21:11,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:11,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1949074983, now seen corresponding path program 1 times [2022-07-23 04:21:11,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:21:11,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898895543] [2022-07-23 04:21:11,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:11,297 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:21:11,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:21:11,298 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:21:11,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-07-23 04:21:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:12,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 1149 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:21:12,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:21:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:21:12,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:21:12,814 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:21:12,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1898895543] [2022-07-23 04:21:12,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1898895543] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:12,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:12,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:21:12,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820696964] [2022-07-23 04:21:12,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:12,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:21:12,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:21:12,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:21:12,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:21:12,815 INFO L87 Difference]: Start difference. First operand 4035 states and 5436 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-07-23 04:21:13,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:13,000 INFO L93 Difference]: Finished difference Result 4035 states and 5436 transitions. [2022-07-23 04:21:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:21:13,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 129 [2022-07-23 04:21:13,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:13,011 INFO L225 Difference]: With dead ends: 4035 [2022-07-23 04:21:13,011 INFO L226 Difference]: Without dead ends: 4033 [2022-07-23 04:21:13,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:21:13,013 INFO L413 NwaCegarLoop]: 2267 mSDtfsCounter, 2155 mSDsluCounter, 2265 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2157 SdHoareTripleChecker+Valid, 4532 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:13,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2157 Valid, 4532 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:21:13,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4033 states. [2022-07-23 04:21:13,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4033 to 4033. [2022-07-23 04:21:13,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4033 states, 2790 states have (on average 1.2433691756272403) internal successors, (3469), 2866 states have internal predecessors, (3469), 980 states have call successors, (980), 248 states have call predecessors, (980), 247 states have return successors, (985), 956 states have call predecessors, (985), 978 states have call successors, (985) [2022-07-23 04:21:13,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4033 states to 4033 states and 5434 transitions. [2022-07-23 04:21:13,191 INFO L78 Accepts]: Start accepts. Automaton has 4033 states and 5434 transitions. Word has length 129 [2022-07-23 04:21:13,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:13,191 INFO L495 AbstractCegarLoop]: Abstraction has 4033 states and 5434 transitions. [2022-07-23 04:21:13,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-07-23 04:21:13,192 INFO L276 IsEmpty]: Start isEmpty. Operand 4033 states and 5434 transitions. [2022-07-23 04:21:13,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-07-23 04:21:13,193 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:13,193 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:13,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2022-07-23 04:21:13,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:21:13,415 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:21:13,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:13,416 INFO L85 PathProgramCache]: Analyzing trace with hash -836007048, now seen corresponding path program 1 times [2022-07-23 04:21:13,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:21:13,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [109284679] [2022-07-23 04:21:13,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:13,417 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:21:13,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:21:13,418 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:21:13,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-07-23 04:21:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:14,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 1342 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 04:21:14,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:21:15,073 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-07-23 04:21:15,073 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:21:15,073 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:21:15,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [109284679] [2022-07-23 04:21:15,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [109284679] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:15,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:15,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 04:21:15,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132773547] [2022-07-23 04:21:15,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:15,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:21:15,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:21:15,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:21:15,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:21:15,075 INFO L87 Difference]: Start difference. First operand 4033 states and 5434 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-23 04:21:15,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:15,489 INFO L93 Difference]: Finished difference Result 10412 states and 14137 transitions. [2022-07-23 04:21:15,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:21:15,490 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 151 [2022-07-23 04:21:15,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:15,549 INFO L225 Difference]: With dead ends: 10412 [2022-07-23 04:21:15,550 INFO L226 Difference]: Without dead ends: 6414 [2022-07-23 04:21:15,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:21:15,559 INFO L413 NwaCegarLoop]: 3171 mSDtfsCounter, 1691 mSDsluCounter, 5160 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1891 SdHoareTripleChecker+Valid, 8331 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:15,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1891 Valid, 8331 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 04:21:15,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6414 states. [2022-07-23 04:21:15,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6414 to 5149. [2022-07-23 04:21:15,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5149 states, 3548 states have (on average 1.2437993235625704) internal successors, (4413), 3637 states have internal predecessors, (4413), 1251 states have call successors, (1251), 334 states have call predecessors, (1251), 334 states have return successors, (1257), 1221 states have call predecessors, (1257), 1249 states have call successors, (1257) [2022-07-23 04:21:15,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5149 states to 5149 states and 6921 transitions. [2022-07-23 04:21:15,812 INFO L78 Accepts]: Start accepts. Automaton has 5149 states and 6921 transitions. Word has length 151 [2022-07-23 04:21:15,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:15,813 INFO L495 AbstractCegarLoop]: Abstraction has 5149 states and 6921 transitions. [2022-07-23 04:21:15,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-23 04:21:15,813 INFO L276 IsEmpty]: Start isEmpty. Operand 5149 states and 6921 transitions. [2022-07-23 04:21:15,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-07-23 04:21:15,814 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:15,814 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:15,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2022-07-23 04:21:16,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:21:16,035 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:21:16,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:16,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1345480138, now seen corresponding path program 1 times [2022-07-23 04:21:16,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:21:16,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [922823026] [2022-07-23 04:21:16,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:16,037 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:21:16,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:21:16,038 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:21:16,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-07-23 04:21:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:17,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 1342 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 04:21:17,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:21:17,368 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-07-23 04:21:17,368 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:21:17,368 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:21:17,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [922823026] [2022-07-23 04:21:17,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [922823026] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:17,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:17,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:21:17,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4144706] [2022-07-23 04:21:17,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:17,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:21:17,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:21:17,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:21:17,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:21:17,370 INFO L87 Difference]: Start difference. First operand 5149 states and 6921 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-23 04:21:17,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:17,828 INFO L93 Difference]: Finished difference Result 11256 states and 15073 transitions. [2022-07-23 04:21:17,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:21:17,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 151 [2022-07-23 04:21:17,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:17,850 INFO L225 Difference]: With dead ends: 11256 [2022-07-23 04:21:17,851 INFO L226 Difference]: Without dead ends: 7258 [2022-07-23 04:21:17,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:21:17,864 INFO L413 NwaCegarLoop]: 2698 mSDtfsCounter, 2228 mSDsluCounter, 1218 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2228 SdHoareTripleChecker+Valid, 3916 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:17,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2228 Valid, 3916 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 04:21:17,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7258 states. [2022-07-23 04:21:18,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7258 to 7248. [2022-07-23 04:21:18,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7248 states, 5005 states have (on average 1.23996003996004) internal successors, (6206), 5128 states have internal predecessors, (6206), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-23 04:21:18,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7248 states to 7248 states and 9672 transitions. [2022-07-23 04:21:18,250 INFO L78 Accepts]: Start accepts. Automaton has 7248 states and 9672 transitions. Word has length 151 [2022-07-23 04:21:18,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:18,251 INFO L495 AbstractCegarLoop]: Abstraction has 7248 states and 9672 transitions. [2022-07-23 04:21:18,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-23 04:21:18,251 INFO L276 IsEmpty]: Start isEmpty. Operand 7248 states and 9672 transitions. [2022-07-23 04:21:18,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-07-23 04:21:18,253 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:18,253 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:18,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2022-07-23 04:21:18,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:21:18,471 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:21:18,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:18,472 INFO L85 PathProgramCache]: Analyzing trace with hash -2102730393, now seen corresponding path program 1 times [2022-07-23 04:21:18,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:21:18,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [591133553] [2022-07-23 04:21:18,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:18,473 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:21:18,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:21:18,474 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:21:18,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-07-23 04:21:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:19,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:21:19,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:21:20,306 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:21:20,306 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:21:20,306 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:21:20,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [591133553] [2022-07-23 04:21:20,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [591133553] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:20,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:20,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:21:20,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208412644] [2022-07-23 04:21:20,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:20,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:21:20,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:21:20,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:21:20,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:21:20,307 INFO L87 Difference]: Start difference. First operand 7248 states and 9672 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-23 04:21:20,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:20,640 INFO L93 Difference]: Finished difference Result 7248 states and 9672 transitions. [2022-07-23 04:21:20,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:21:20,640 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 135 [2022-07-23 04:21:20,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:20,654 INFO L225 Difference]: With dead ends: 7248 [2022-07-23 04:21:20,654 INFO L226 Difference]: Without dead ends: 7246 [2022-07-23 04:21:20,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:21:20,657 INFO L413 NwaCegarLoop]: 2265 mSDtfsCounter, 2147 mSDsluCounter, 2263 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2149 SdHoareTripleChecker+Valid, 4528 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:20,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2149 Valid, 4528 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:21:20,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7246 states. [2022-07-23 04:21:21,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7246 to 7246. [2022-07-23 04:21:21,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7246 states, 5004 states have (on average 1.2398081534772183) internal successors, (6204), 5126 states have internal predecessors, (6204), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-23 04:21:21,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7246 states to 7246 states and 9670 transitions. [2022-07-23 04:21:21,048 INFO L78 Accepts]: Start accepts. Automaton has 7246 states and 9670 transitions. Word has length 135 [2022-07-23 04:21:21,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:21,049 INFO L495 AbstractCegarLoop]: Abstraction has 7246 states and 9670 transitions. [2022-07-23 04:21:21,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-23 04:21:21,049 INFO L276 IsEmpty]: Start isEmpty. Operand 7246 states and 9670 transitions. [2022-07-23 04:21:21,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-07-23 04:21:21,050 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:21,050 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:21,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2022-07-23 04:21:21,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:21:21,251 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:21:21,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:21,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1997710427, now seen corresponding path program 1 times [2022-07-23 04:21:21,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:21:21,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [983457762] [2022-07-23 04:21:21,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:21,254 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:21:21,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:21:21,255 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:21:21,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-07-23 04:21:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:22,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 1351 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 04:21:22,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:21:22,779 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-07-23 04:21:22,780 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:21:22,780 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:21:22,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [983457762] [2022-07-23 04:21:22,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [983457762] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:22,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:22,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:21:22,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853663417] [2022-07-23 04:21:22,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:22,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:21:22,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:21:22,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:21:22,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:21:22,782 INFO L87 Difference]: Start difference. First operand 7246 states and 9670 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-23 04:21:23,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:23,261 INFO L93 Difference]: Finished difference Result 13335 states and 17802 transitions. [2022-07-23 04:21:23,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:21:23,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 157 [2022-07-23 04:21:23,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:23,278 INFO L225 Difference]: With dead ends: 13335 [2022-07-23 04:21:23,278 INFO L226 Difference]: Without dead ends: 7240 [2022-07-23 04:21:23,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:21:23,291 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 2224 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2224 SdHoareTripleChecker+Valid, 2261 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:23,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2224 Valid, 2261 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 04:21:23,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7240 states. [2022-07-23 04:21:23,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7240 to 7240. [2022-07-23 04:21:23,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7240 states, 4999 states have (on average 1.239247849569914) internal successors, (6195), 5120 states have internal predecessors, (6195), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-23 04:21:23,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7240 states to 7240 states and 9661 transitions. [2022-07-23 04:21:23,704 INFO L78 Accepts]: Start accepts. Automaton has 7240 states and 9661 transitions. Word has length 157 [2022-07-23 04:21:23,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:23,705 INFO L495 AbstractCegarLoop]: Abstraction has 7240 states and 9661 transitions. [2022-07-23 04:21:23,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-23 04:21:23,705 INFO L276 IsEmpty]: Start isEmpty. Operand 7240 states and 9661 transitions. [2022-07-23 04:21:23,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-23 04:21:23,706 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:23,707 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:23,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2022-07-23 04:21:23,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:21:23,931 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:21:23,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:23,932 INFO L85 PathProgramCache]: Analyzing trace with hash 880426355, now seen corresponding path program 1 times [2022-07-23 04:21:23,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:21:23,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398140787] [2022-07-23 04:21:23,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:23,933 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:21:23,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:21:23,935 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:21:23,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-07-23 04:21:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:24,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 1167 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-23 04:21:24,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:21:25,533 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-23 04:21:25,533 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:21:25,533 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:21:25,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398140787] [2022-07-23 04:21:25,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398140787] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:25,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:25,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-23 04:21:25,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361125393] [2022-07-23 04:21:25,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:25,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-23 04:21:25,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:21:25,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-23 04:21:25,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-07-23 04:21:25,534 INFO L87 Difference]: Start difference. First operand 7240 states and 9661 transitions. Second operand has 14 states, 13 states have (on average 7.230769230769231) internal successors, (94), 13 states have internal predecessors, (94), 6 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2022-07-23 04:21:28,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:28,297 INFO L93 Difference]: Finished difference Result 7389 states and 9812 transitions. [2022-07-23 04:21:28,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-23 04:21:28,298 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.230769230769231) internal successors, (94), 13 states have internal predecessors, (94), 6 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) Word has length 141 [2022-07-23 04:21:28,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:28,314 INFO L225 Difference]: With dead ends: 7389 [2022-07-23 04:21:28,314 INFO L226 Difference]: Without dead ends: 7246 [2022-07-23 04:21:28,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2022-07-23 04:21:28,318 INFO L413 NwaCegarLoop]: 2241 mSDtfsCounter, 1528 mSDsluCounter, 24743 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 555 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1528 SdHoareTripleChecker+Valid, 26984 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 555 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:28,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1528 Valid, 26984 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [555 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-23 04:21:28,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7246 states. [2022-07-23 04:21:28,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7246 to 7240. [2022-07-23 04:21:28,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7240 states, 4999 states have (on average 1.238647729545909) internal successors, (6192), 5120 states have internal predecessors, (6192), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-23 04:21:28,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7240 states to 7240 states and 9658 transitions. [2022-07-23 04:21:28,822 INFO L78 Accepts]: Start accepts. Automaton has 7240 states and 9658 transitions. Word has length 141 [2022-07-23 04:21:28,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:28,823 INFO L495 AbstractCegarLoop]: Abstraction has 7240 states and 9658 transitions. [2022-07-23 04:21:28,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.230769230769231) internal successors, (94), 13 states have internal predecessors, (94), 6 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) [2022-07-23 04:21:28,823 INFO L276 IsEmpty]: Start isEmpty. Operand 7240 states and 9658 transitions. [2022-07-23 04:21:28,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-23 04:21:28,824 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:28,824 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:28,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2022-07-23 04:21:29,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:21:29,027 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:21:29,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:29,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1381146895, now seen corresponding path program 1 times [2022-07-23 04:21:29,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:21:29,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [282180899] [2022-07-23 04:21:29,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:29,029 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:21:29,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:21:29,030 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:21:29,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-07-23 04:21:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:29,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 1167 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:21:29,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:21:30,711 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:21:30,711 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:21:30,711 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:21:30,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [282180899] [2022-07-23 04:21:30,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [282180899] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:30,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:30,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:21:30,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364599677] [2022-07-23 04:21:30,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:30,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:21:30,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:21:30,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:21:30,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:21:30,713 INFO L87 Difference]: Start difference. First operand 7240 states and 9658 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-07-23 04:21:31,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:31,071 INFO L93 Difference]: Finished difference Result 7240 states and 9658 transitions. [2022-07-23 04:21:31,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:21:31,072 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 141 [2022-07-23 04:21:31,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:31,085 INFO L225 Difference]: With dead ends: 7240 [2022-07-23 04:21:31,086 INFO L226 Difference]: Without dead ends: 7238 [2022-07-23 04:21:31,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:21:31,088 INFO L413 NwaCegarLoop]: 2258 mSDtfsCounter, 2134 mSDsluCounter, 2256 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2136 SdHoareTripleChecker+Valid, 4514 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:31,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2136 Valid, 4514 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:21:31,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7238 states. [2022-07-23 04:21:31,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7238 to 7238. [2022-07-23 04:21:31,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7238 states, 4998 states have (on average 1.2384953981592637) internal successors, (6190), 5118 states have internal predecessors, (6190), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-23 04:21:31,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7238 states to 7238 states and 9656 transitions. [2022-07-23 04:21:31,422 INFO L78 Accepts]: Start accepts. Automaton has 7238 states and 9656 transitions. Word has length 141 [2022-07-23 04:21:31,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:31,423 INFO L495 AbstractCegarLoop]: Abstraction has 7238 states and 9656 transitions. [2022-07-23 04:21:31,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-07-23 04:21:31,423 INFO L276 IsEmpty]: Start isEmpty. Operand 7238 states and 9656 transitions. [2022-07-23 04:21:31,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-23 04:21:31,425 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:31,425 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:31,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (29)] Ended with exit code 0 [2022-07-23 04:21:31,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:21:31,626 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:21:31,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:31,627 INFO L85 PathProgramCache]: Analyzing trace with hash -578482679, now seen corresponding path program 1 times [2022-07-23 04:21:31,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:21:31,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [328261432] [2022-07-23 04:21:31,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:31,628 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:21:31,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:21:31,629 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:21:31,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2022-07-23 04:21:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:32,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 1176 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:21:32,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:21:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:21:33,344 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:21:33,345 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:21:33,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [328261432] [2022-07-23 04:21:33,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [328261432] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:33,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:33,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:21:33,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504021853] [2022-07-23 04:21:33,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:33,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:21:33,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:21:33,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:21:33,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:21:33,346 INFO L87 Difference]: Start difference. First operand 7238 states and 9656 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-23 04:21:33,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:33,693 INFO L93 Difference]: Finished difference Result 7238 states and 9656 transitions. [2022-07-23 04:21:33,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:21:33,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 147 [2022-07-23 04:21:33,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:33,712 INFO L225 Difference]: With dead ends: 7238 [2022-07-23 04:21:33,712 INFO L226 Difference]: Without dead ends: 7236 [2022-07-23 04:21:33,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:21:33,716 INFO L413 NwaCegarLoop]: 2256 mSDtfsCounter, 2126 mSDsluCounter, 2254 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2128 SdHoareTripleChecker+Valid, 4510 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:33,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2128 Valid, 4510 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:21:33,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7236 states. [2022-07-23 04:21:34,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7236 to 7236. [2022-07-23 04:21:34,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7236 states, 4997 states have (on average 1.238343005803482) internal successors, (6188), 5116 states have internal predecessors, (6188), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-23 04:21:34,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7236 states to 7236 states and 9654 transitions. [2022-07-23 04:21:34,104 INFO L78 Accepts]: Start accepts. Automaton has 7236 states and 9654 transitions. Word has length 147 [2022-07-23 04:21:34,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:34,104 INFO L495 AbstractCegarLoop]: Abstraction has 7236 states and 9654 transitions. [2022-07-23 04:21:34,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-23 04:21:34,104 INFO L276 IsEmpty]: Start isEmpty. Operand 7236 states and 9654 transitions. [2022-07-23 04:21:34,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-07-23 04:21:34,106 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:34,106 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:34,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2022-07-23 04:21:34,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:21:34,310 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:21:34,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:34,311 INFO L85 PathProgramCache]: Analyzing trace with hash -190769678, now seen corresponding path program 1 times [2022-07-23 04:21:34,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:21:34,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1056024586] [2022-07-23 04:21:34,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:34,312 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:21:34,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:21:34,313 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:21:34,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-07-23 04:21:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:35,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:21:35,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:21:36,088 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:21:36,088 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:21:36,088 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:21:36,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1056024586] [2022-07-23 04:21:36,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1056024586] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:36,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:36,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:21:36,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757566507] [2022-07-23 04:21:36,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:36,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:21:36,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:21:36,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:21:36,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:21:36,090 INFO L87 Difference]: Start difference. First operand 7236 states and 9654 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-07-23 04:21:36,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:36,512 INFO L93 Difference]: Finished difference Result 7236 states and 9654 transitions. [2022-07-23 04:21:36,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:21:36,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 153 [2022-07-23 04:21:36,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:36,530 INFO L225 Difference]: With dead ends: 7236 [2022-07-23 04:21:36,531 INFO L226 Difference]: Without dead ends: 7234 [2022-07-23 04:21:36,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:21:36,534 INFO L413 NwaCegarLoop]: 2254 mSDtfsCounter, 2118 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2120 SdHoareTripleChecker+Valid, 4506 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:36,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2120 Valid, 4506 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:21:36,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7234 states. [2022-07-23 04:21:37,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7234 to 7234. [2022-07-23 04:21:37,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7234 states, 4996 states have (on average 1.2381905524419536) internal successors, (6186), 5114 states have internal predecessors, (6186), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-23 04:21:37,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7234 states to 7234 states and 9652 transitions. [2022-07-23 04:21:37,041 INFO L78 Accepts]: Start accepts. Automaton has 7234 states and 9652 transitions. Word has length 153 [2022-07-23 04:21:37,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:37,042 INFO L495 AbstractCegarLoop]: Abstraction has 7234 states and 9652 transitions. [2022-07-23 04:21:37,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-07-23 04:21:37,042 INFO L276 IsEmpty]: Start isEmpty. Operand 7234 states and 9652 transitions. [2022-07-23 04:21:37,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-07-23 04:21:37,044 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:37,044 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:37,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2022-07-23 04:21:37,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:21:37,249 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:21:37,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:37,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1726635199, now seen corresponding path program 1 times [2022-07-23 04:21:37,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:21:37,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1408004575] [2022-07-23 04:21:37,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:37,250 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:21:37,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:21:37,252 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:21:37,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2022-07-23 04:21:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:38,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 1194 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:21:38,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:21:39,033 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:21:39,034 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:21:39,034 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:21:39,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1408004575] [2022-07-23 04:21:39,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1408004575] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:39,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:39,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:21:39,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809268743] [2022-07-23 04:21:39,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:39,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:21:39,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:21:39,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:21:39,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:21:39,035 INFO L87 Difference]: Start difference. First operand 7234 states and 9652 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-07-23 04:21:39,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:39,418 INFO L93 Difference]: Finished difference Result 7234 states and 9652 transitions. [2022-07-23 04:21:39,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:21:39,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 159 [2022-07-23 04:21:39,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:39,437 INFO L225 Difference]: With dead ends: 7234 [2022-07-23 04:21:39,437 INFO L226 Difference]: Without dead ends: 7232 [2022-07-23 04:21:39,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:21:39,440 INFO L413 NwaCegarLoop]: 2252 mSDtfsCounter, 2110 mSDsluCounter, 2250 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2112 SdHoareTripleChecker+Valid, 4502 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:39,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2112 Valid, 4502 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:21:39,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7232 states. [2022-07-23 04:21:39,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7232 to 7232. [2022-07-23 04:21:39,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7232 states, 4995 states have (on average 1.238038038038038) internal successors, (6184), 5112 states have internal predecessors, (6184), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-23 04:21:39,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7232 states to 7232 states and 9650 transitions. [2022-07-23 04:21:39,807 INFO L78 Accepts]: Start accepts. Automaton has 7232 states and 9650 transitions. Word has length 159 [2022-07-23 04:21:39,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:39,808 INFO L495 AbstractCegarLoop]: Abstraction has 7232 states and 9650 transitions. [2022-07-23 04:21:39,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-07-23 04:21:39,808 INFO L276 IsEmpty]: Start isEmpty. Operand 7232 states and 9650 transitions. [2022-07-23 04:21:39,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-23 04:21:39,810 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:39,810 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:39,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2022-07-23 04:21:40,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:21:40,016 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:21:40,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:40,016 INFO L85 PathProgramCache]: Analyzing trace with hash -2032672784, now seen corresponding path program 1 times [2022-07-23 04:21:40,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:21:40,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1650973599] [2022-07-23 04:21:40,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:40,018 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:21:40,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:21:40,019 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:21:40,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2022-07-23 04:21:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:40,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:21:40,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:21:41,988 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:21:41,988 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:21:41,988 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:21:41,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1650973599] [2022-07-23 04:21:41,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1650973599] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:41,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:41,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:21:41,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586993951] [2022-07-23 04:21:41,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:41,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:21:41,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:21:41,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:21:41,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:21:41,990 INFO L87 Difference]: Start difference. First operand 7232 states and 9650 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-07-23 04:21:42,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:42,405 INFO L93 Difference]: Finished difference Result 7232 states and 9650 transitions. [2022-07-23 04:21:42,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:21:42,405 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 165 [2022-07-23 04:21:42,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:42,426 INFO L225 Difference]: With dead ends: 7232 [2022-07-23 04:21:42,426 INFO L226 Difference]: Without dead ends: 7230 [2022-07-23 04:21:42,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:21:42,431 INFO L413 NwaCegarLoop]: 2250 mSDtfsCounter, 2102 mSDsluCounter, 2248 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2104 SdHoareTripleChecker+Valid, 4498 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:42,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2104 Valid, 4498 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:21:42,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7230 states. [2022-07-23 04:21:42,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7230 to 7230. [2022-07-23 04:21:42,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7230 states, 4994 states have (on average 1.2378854625550662) internal successors, (6182), 5110 states have internal predecessors, (6182), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-23 04:21:42,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7230 states to 7230 states and 9648 transitions. [2022-07-23 04:21:42,927 INFO L78 Accepts]: Start accepts. Automaton has 7230 states and 9648 transitions. Word has length 165 [2022-07-23 04:21:42,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:42,927 INFO L495 AbstractCegarLoop]: Abstraction has 7230 states and 9648 transitions. [2022-07-23 04:21:42,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-07-23 04:21:42,928 INFO L276 IsEmpty]: Start isEmpty. Operand 7230 states and 9648 transitions. [2022-07-23 04:21:42,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-23 04:21:42,930 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:42,930 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:42,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2022-07-23 04:21:43,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:21:43,132 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:21:43,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:43,133 INFO L85 PathProgramCache]: Analyzing trace with hash 497495166, now seen corresponding path program 1 times [2022-07-23 04:21:43,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:21:43,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [524674747] [2022-07-23 04:21:43,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:43,135 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:21:43,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:21:43,136 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:21:43,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2022-07-23 04:21:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:44,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:21:44,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:21:45,237 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:21:45,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:21:45,237 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:21:45,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [524674747] [2022-07-23 04:21:45,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [524674747] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:45,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:45,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:21:45,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544964514] [2022-07-23 04:21:45,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:45,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:21:45,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:21:45,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:21:45,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:21:45,239 INFO L87 Difference]: Start difference. First operand 7230 states and 9648 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-07-23 04:21:45,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:45,657 INFO L93 Difference]: Finished difference Result 7230 states and 9648 transitions. [2022-07-23 04:21:45,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:21:45,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 171 [2022-07-23 04:21:45,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:45,672 INFO L225 Difference]: With dead ends: 7230 [2022-07-23 04:21:45,673 INFO L226 Difference]: Without dead ends: 7228 [2022-07-23 04:21:45,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:21:45,675 INFO L413 NwaCegarLoop]: 2248 mSDtfsCounter, 2094 mSDsluCounter, 2246 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2096 SdHoareTripleChecker+Valid, 4494 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:45,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2096 Valid, 4494 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:21:45,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7228 states. [2022-07-23 04:21:46,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7228 to 7228. [2022-07-23 04:21:46,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7228 states, 4993 states have (on average 1.237732825956339) internal successors, (6180), 5108 states have internal predecessors, (6180), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-23 04:21:46,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7228 states to 7228 states and 9646 transitions. [2022-07-23 04:21:46,115 INFO L78 Accepts]: Start accepts. Automaton has 7228 states and 9646 transitions. Word has length 171 [2022-07-23 04:21:46,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:46,115 INFO L495 AbstractCegarLoop]: Abstraction has 7228 states and 9646 transitions. [2022-07-23 04:21:46,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-07-23 04:21:46,116 INFO L276 IsEmpty]: Start isEmpty. Operand 7228 states and 9646 transitions. [2022-07-23 04:21:46,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-07-23 04:21:46,117 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:46,117 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:46,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2022-07-23 04:21:46,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:21:46,322 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:21:46,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:46,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1894361284, now seen corresponding path program 1 times [2022-07-23 04:21:46,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:21:46,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290605094] [2022-07-23 04:21:46,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:46,324 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:21:46,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:21:46,325 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:21:46,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2022-07-23 04:21:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:47,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 1221 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:21:47,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:21:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:21:48,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:21:48,411 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:21:48,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290605094] [2022-07-23 04:21:48,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290605094] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:48,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:48,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:21:48,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130050751] [2022-07-23 04:21:48,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:48,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:21:48,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:21:48,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:21:48,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:21:48,413 INFO L87 Difference]: Start difference. First operand 7228 states and 9646 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-07-23 04:21:48,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:48,888 INFO L93 Difference]: Finished difference Result 7228 states and 9646 transitions. [2022-07-23 04:21:48,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:21:48,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 177 [2022-07-23 04:21:48,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:48,912 INFO L225 Difference]: With dead ends: 7228 [2022-07-23 04:21:48,912 INFO L226 Difference]: Without dead ends: 7226 [2022-07-23 04:21:48,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:21:48,916 INFO L413 NwaCegarLoop]: 2246 mSDtfsCounter, 2086 mSDsluCounter, 2244 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2088 SdHoareTripleChecker+Valid, 4490 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:48,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2088 Valid, 4490 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:21:48,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7226 states. [2022-07-23 04:21:49,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7226 to 7226. [2022-07-23 04:21:49,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7226 states, 4992 states have (on average 1.2375801282051282) internal successors, (6178), 5106 states have internal predecessors, (6178), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-23 04:21:49,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7226 states to 7226 states and 9644 transitions. [2022-07-23 04:21:49,421 INFO L78 Accepts]: Start accepts. Automaton has 7226 states and 9644 transitions. Word has length 177 [2022-07-23 04:21:49,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:49,421 INFO L495 AbstractCegarLoop]: Abstraction has 7226 states and 9644 transitions. [2022-07-23 04:21:49,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-07-23 04:21:49,421 INFO L276 IsEmpty]: Start isEmpty. Operand 7226 states and 9644 transitions. [2022-07-23 04:21:49,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-07-23 04:21:49,424 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:49,424 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:49,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2022-07-23 04:21:49,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:21:49,629 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:21:49,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:49,629 INFO L85 PathProgramCache]: Analyzing trace with hash 502070306, now seen corresponding path program 1 times [2022-07-23 04:21:49,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:21:49,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1463317516] [2022-07-23 04:21:49,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:49,630 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:21:49,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:21:49,631 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:21:49,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2022-07-23 04:21:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:50,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:21:50,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:21:51,823 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:21:51,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:21:51,823 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:21:51,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1463317516] [2022-07-23 04:21:51,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1463317516] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:51,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:51,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:21:51,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883569724] [2022-07-23 04:21:51,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:51,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:21:51,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:21:51,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:21:51,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:21:51,824 INFO L87 Difference]: Start difference. First operand 7226 states and 9644 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-07-23 04:21:52,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:52,253 INFO L93 Difference]: Finished difference Result 7226 states and 9644 transitions. [2022-07-23 04:21:52,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:21:52,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 183 [2022-07-23 04:21:52,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:52,272 INFO L225 Difference]: With dead ends: 7226 [2022-07-23 04:21:52,273 INFO L226 Difference]: Without dead ends: 7224 [2022-07-23 04:21:52,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:21:52,277 INFO L413 NwaCegarLoop]: 2244 mSDtfsCounter, 2078 mSDsluCounter, 2242 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2080 SdHoareTripleChecker+Valid, 4486 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:52,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2080 Valid, 4486 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:21:52,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7224 states. [2022-07-23 04:21:52,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7224 to 7224. [2022-07-23 04:21:52,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7224 states, 4991 states have (on average 1.2374273692646764) internal successors, (6176), 5104 states have internal predecessors, (6176), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-23 04:21:52,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7224 states to 7224 states and 9642 transitions. [2022-07-23 04:21:52,774 INFO L78 Accepts]: Start accepts. Automaton has 7224 states and 9642 transitions. Word has length 183 [2022-07-23 04:21:52,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:52,775 INFO L495 AbstractCegarLoop]: Abstraction has 7224 states and 9642 transitions. [2022-07-23 04:21:52,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-07-23 04:21:52,775 INFO L276 IsEmpty]: Start isEmpty. Operand 7224 states and 9642 transitions. [2022-07-23 04:21:52,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-23 04:21:52,778 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:52,778 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:52,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2022-07-23 04:21:52,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:21:52,986 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:21:52,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:52,987 INFO L85 PathProgramCache]: Analyzing trace with hash 426259915, now seen corresponding path program 1 times [2022-07-23 04:21:52,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:21:52,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1929231729] [2022-07-23 04:21:52,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:52,988 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:21:52,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:21:52,989 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:21:52,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2022-07-23 04:21:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:54,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 1507 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 04:21:54,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:21:54,692 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-07-23 04:21:54,692 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:21:54,692 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:21:54,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1929231729] [2022-07-23 04:21:54,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1929231729] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:54,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:54,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 04:21:54,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298080415] [2022-07-23 04:21:54,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:54,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:21:54,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:21:54,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:21:54,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:21:54,693 INFO L87 Difference]: Start difference. First operand 7224 states and 9642 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-23 04:21:55,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:55,311 INFO L93 Difference]: Finished difference Result 7228 states and 9644 transitions. [2022-07-23 04:21:55,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 04:21:55,312 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 224 [2022-07-23 04:21:55,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:55,333 INFO L225 Difference]: With dead ends: 7228 [2022-07-23 04:21:55,334 INFO L226 Difference]: Without dead ends: 7226 [2022-07-23 04:21:55,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-23 04:21:55,338 INFO L413 NwaCegarLoop]: 2381 mSDtfsCounter, 1105 mSDsluCounter, 6458 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 8839 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:55,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 8839 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 04:21:55,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7226 states. [2022-07-23 04:21:55,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7226 to 7222. [2022-07-23 04:21:55,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7222 states, 4990 states have (on average 1.2362725450901804) internal successors, (6169), 5102 states have internal predecessors, (6169), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-23 04:21:55,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7222 states to 7222 states and 9635 transitions. [2022-07-23 04:21:55,778 INFO L78 Accepts]: Start accepts. Automaton has 7222 states and 9635 transitions. Word has length 224 [2022-07-23 04:21:55,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:55,778 INFO L495 AbstractCegarLoop]: Abstraction has 7222 states and 9635 transitions. [2022-07-23 04:21:55,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-23 04:21:55,778 INFO L276 IsEmpty]: Start isEmpty. Operand 7222 states and 9635 transitions. [2022-07-23 04:21:55,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-07-23 04:21:55,781 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:55,781 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:55,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2022-07-23 04:21:55,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:21:55,995 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:21:55,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:55,996 INFO L85 PathProgramCache]: Analyzing trace with hash 621454319, now seen corresponding path program 1 times [2022-07-23 04:21:55,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:21:55,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205404491] [2022-07-23 04:21:55,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:55,997 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:21:55,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:21:55,998 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:21:55,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2022-07-23 04:21:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:21:56,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 1239 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:21:56,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:21:58,090 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:21:58,090 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:21:58,090 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:21:58,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205404491] [2022-07-23 04:21:58,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1205404491] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:21:58,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:21:58,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:21:58,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618540046] [2022-07-23 04:21:58,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:21:58,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:21:58,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:21:58,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:21:58,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:21:58,091 INFO L87 Difference]: Start difference. First operand 7222 states and 9635 transitions. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-07-23 04:21:58,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:21:58,561 INFO L93 Difference]: Finished difference Result 7222 states and 9635 transitions. [2022-07-23 04:21:58,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:21:58,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 189 [2022-07-23 04:21:58,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:21:58,577 INFO L225 Difference]: With dead ends: 7222 [2022-07-23 04:21:58,577 INFO L226 Difference]: Without dead ends: 7220 [2022-07-23 04:21:58,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:21:58,580 INFO L413 NwaCegarLoop]: 2240 mSDtfsCounter, 2068 mSDsluCounter, 2238 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2070 SdHoareTripleChecker+Valid, 4478 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:21:58,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2070 Valid, 4478 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:21:58,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7220 states. [2022-07-23 04:21:59,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7220 to 7220. [2022-07-23 04:21:59,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7220 states, 4989 states have (on average 1.2361194628182) internal successors, (6167), 5100 states have internal predecessors, (6167), 1729 states have call successors, (1729), 498 states have call predecessors, (1729), 498 states have return successors, (1737), 1689 states have call predecessors, (1737), 1727 states have call successors, (1737) [2022-07-23 04:21:59,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7220 states to 7220 states and 9633 transitions. [2022-07-23 04:21:59,069 INFO L78 Accepts]: Start accepts. Automaton has 7220 states and 9633 transitions. Word has length 189 [2022-07-23 04:21:59,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:21:59,069 INFO L495 AbstractCegarLoop]: Abstraction has 7220 states and 9633 transitions. [2022-07-23 04:21:59,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 states have internal predecessors, (123), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-07-23 04:21:59,069 INFO L276 IsEmpty]: Start isEmpty. Operand 7220 states and 9633 transitions. [2022-07-23 04:21:59,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-23 04:21:59,071 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:21:59,072 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:21:59,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2022-07-23 04:21:59,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:21:59,287 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:21:59,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:21:59,288 INFO L85 PathProgramCache]: Analyzing trace with hash 47365333, now seen corresponding path program 1 times [2022-07-23 04:21:59,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:21:59,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [377245834] [2022-07-23 04:21:59,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:21:59,289 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:21:59,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:21:59,290 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:21:59,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2022-07-23 04:22:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:00,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 04:22:00,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:22:01,737 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 04:22:01,738 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:22:01,738 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:22:01,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [377245834] [2022-07-23 04:22:01,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [377245834] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:22:01,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:22:01,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:22:01,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723816022] [2022-07-23 04:22:01,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:22:01,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 04:22:01,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:22:01,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 04:22:01,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 04:22:01,740 INFO L87 Difference]: Start difference. First operand 7220 states and 9633 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-23 04:22:02,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:22:02,206 INFO L93 Difference]: Finished difference Result 7220 states and 9633 transitions. [2022-07-23 04:22:02,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 04:22:02,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 195 [2022-07-23 04:22:02,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:22:02,229 INFO L225 Difference]: With dead ends: 7220 [2022-07-23 04:22:02,229 INFO L226 Difference]: Without dead ends: 6353 [2022-07-23 04:22:02,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:22:02,235 INFO L413 NwaCegarLoop]: 2239 mSDtfsCounter, 2059 mSDsluCounter, 2239 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2059 SdHoareTripleChecker+Valid, 4478 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:22:02,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2059 Valid, 4478 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:22:02,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6353 states. [2022-07-23 04:22:02,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6353 to 6353. [2022-07-23 04:22:02,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6353 states, 4381 states have (on average 1.2319105227117098) internal successors, (5397), 4474 states have internal predecessors, (5397), 1523 states have call successors, (1523), 451 states have call predecessors, (1523), 446 states have return successors, (1524), 1492 states have call predecessors, (1524), 1516 states have call successors, (1524) [2022-07-23 04:22:02,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6353 states to 6353 states and 8444 transitions. [2022-07-23 04:22:02,610 INFO L78 Accepts]: Start accepts. Automaton has 6353 states and 8444 transitions. Word has length 195 [2022-07-23 04:22:02,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:22:02,615 INFO L495 AbstractCegarLoop]: Abstraction has 6353 states and 8444 transitions. [2022-07-23 04:22:02,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 3 states have internal predecessors, (127), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-23 04:22:02,616 INFO L276 IsEmpty]: Start isEmpty. Operand 6353 states and 8444 transitions. [2022-07-23 04:22:02,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-07-23 04:22:02,619 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:22:02,619 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:22:02,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2022-07-23 04:22:02,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:22:02,834 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:22:02,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:22:02,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1216514025, now seen corresponding path program 1 times [2022-07-23 04:22:02,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:22:02,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [109743521] [2022-07-23 04:22:02,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:22:02,836 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:22:02,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:22:02,837 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:22:02,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2022-07-23 04:22:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:04,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 1669 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-23 04:22:04,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:22:04,812 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-07-23 04:22:04,812 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:22:04,812 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:22:04,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [109743521] [2022-07-23 04:22:04,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [109743521] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:22:04,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:22:04,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-23 04:22:04,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135595237] [2022-07-23 04:22:04,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:22:04,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-23 04:22:04,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:22:04,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-23 04:22:04,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-07-23 04:22:04,813 INFO L87 Difference]: Start difference. First operand 6353 states and 8444 transitions. Second operand has 14 states, 13 states have (on average 10.538461538461538) internal successors, (137), 13 states have internal predecessors, (137), 6 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2022-07-23 04:22:08,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:22:08,693 INFO L93 Difference]: Finished difference Result 12874 states and 17253 transitions. [2022-07-23 04:22:08,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-23 04:22:08,693 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.538461538461538) internal successors, (137), 13 states have internal predecessors, (137), 6 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 277 [2022-07-23 04:22:08,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:22:08,716 INFO L225 Difference]: With dead ends: 12874 [2022-07-23 04:22:08,716 INFO L226 Difference]: Without dead ends: 7329 [2022-07-23 04:22:08,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600 [2022-07-23 04:22:08,732 INFO L413 NwaCegarLoop]: 2270 mSDtfsCounter, 1526 mSDsluCounter, 25142 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 603 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1526 SdHoareTripleChecker+Valid, 27412 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 603 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-23 04:22:08,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1526 Valid, 27412 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [603 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-23 04:22:08,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7329 states. [2022-07-23 04:22:09,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7329 to 6383. [2022-07-23 04:22:09,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6383 states, 4403 states have (on average 1.230751760163525) internal successors, (5419), 4496 states have internal predecessors, (5419), 1531 states have call successors, (1531), 451 states have call predecessors, (1531), 446 states have return successors, (1532), 1500 states have call predecessors, (1532), 1524 states have call successors, (1532) [2022-07-23 04:22:09,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6383 states to 6383 states and 8482 transitions. [2022-07-23 04:22:09,142 INFO L78 Accepts]: Start accepts. Automaton has 6383 states and 8482 transitions. Word has length 277 [2022-07-23 04:22:09,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:22:09,142 INFO L495 AbstractCegarLoop]: Abstraction has 6383 states and 8482 transitions. [2022-07-23 04:22:09,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.538461538461538) internal successors, (137), 13 states have internal predecessors, (137), 6 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2022-07-23 04:22:09,143 INFO L276 IsEmpty]: Start isEmpty. Operand 6383 states and 8482 transitions. [2022-07-23 04:22:09,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-07-23 04:22:09,146 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:22:09,146 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:22:09,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2022-07-23 04:22:09,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:22:09,356 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:22:09,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:22:09,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1708557327, now seen corresponding path program 1 times [2022-07-23 04:22:09,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:22:09,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1733597914] [2022-07-23 04:22:09,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:22:09,358 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:22:09,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:22:09,359 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:22:09,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2022-07-23 04:22:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:10,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 1731 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-23 04:22:10,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:22:10,642 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-07-23 04:22:10,643 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:22:10,643 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:22:10,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1733597914] [2022-07-23 04:22:10,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1733597914] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:22:10,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:22:10,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 04:22:10,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927967125] [2022-07-23 04:22:10,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:22:10,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 04:22:10,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:22:10,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 04:22:10,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 04:22:10,645 INFO L87 Difference]: Start difference. First operand 6383 states and 8482 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-23 04:22:11,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:22:11,521 INFO L93 Difference]: Finished difference Result 12180 states and 16220 transitions. [2022-07-23 04:22:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 04:22:11,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 294 [2022-07-23 04:22:11,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:22:11,542 INFO L225 Difference]: With dead ends: 12180 [2022-07-23 04:22:11,542 INFO L226 Difference]: Without dead ends: 6607 [2022-07-23 04:22:11,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-23 04:22:11,557 INFO L413 NwaCegarLoop]: 1968 mSDtfsCounter, 240 mSDsluCounter, 5586 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 7554 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 04:22:11,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 7554 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 04:22:11,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6607 states. [2022-07-23 04:22:11,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6607 to 6389. [2022-07-23 04:22:11,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6389 states, 4409 states have (on average 1.23043774098435) internal successors, (5425), 4502 states have internal predecessors, (5425), 1531 states have call successors, (1531), 451 states have call predecessors, (1531), 446 states have return successors, (1532), 1500 states have call predecessors, (1532), 1524 states have call successors, (1532) [2022-07-23 04:22:11,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6389 states to 6389 states and 8488 transitions. [2022-07-23 04:22:11,952 INFO L78 Accepts]: Start accepts. Automaton has 6389 states and 8488 transitions. Word has length 294 [2022-07-23 04:22:11,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:22:11,952 INFO L495 AbstractCegarLoop]: Abstraction has 6389 states and 8488 transitions. [2022-07-23 04:22:11,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 5 states have internal predecessors, (149), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-23 04:22:11,953 INFO L276 IsEmpty]: Start isEmpty. Operand 6389 states and 8488 transitions. [2022-07-23 04:22:11,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-07-23 04:22:11,956 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:22:11,956 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:22:11,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2022-07-23 04:22:12,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:22:12,159 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:22:12,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:22:12,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1403671883, now seen corresponding path program 1 times [2022-07-23 04:22:12,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:22:12,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1202530864] [2022-07-23 04:22:12,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:22:12,162 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:22:12,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:22:12,163 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:22:12,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2022-07-23 04:22:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:13,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 1780 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-23 04:22:13,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:22:14,442 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2022-07-23 04:22:14,443 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:22:14,443 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:22:14,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1202530864] [2022-07-23 04:22:14,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1202530864] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:22:14,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:22:14,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-07-23 04:22:14,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817081390] [2022-07-23 04:22:14,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:22:14,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-23 04:22:14,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:22:14,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-23 04:22:14,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-07-23 04:22:14,445 INFO L87 Difference]: Start difference. First operand 6389 states and 8488 transitions. Second operand has 15 states, 14 states have (on average 10.5) internal successors, (147), 14 states have internal predecessors, (147), 7 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (38), 7 states have call predecessors, (38), 7 states have call successors, (38) [2022-07-23 04:22:18,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:22:18,550 INFO L93 Difference]: Finished difference Result 12992 states and 17399 transitions. [2022-07-23 04:22:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-23 04:22:18,551 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.5) internal successors, (147), 14 states have internal predecessors, (147), 7 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (38), 7 states have call predecessors, (38), 7 states have call successors, (38) Word has length 315 [2022-07-23 04:22:18,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:22:18,573 INFO L225 Difference]: With dead ends: 12992 [2022-07-23 04:22:18,573 INFO L226 Difference]: Without dead ends: 7411 [2022-07-23 04:22:18,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=146, Invalid=610, Unknown=0, NotChecked=0, Total=756 [2022-07-23 04:22:18,591 INFO L413 NwaCegarLoop]: 2298 mSDtfsCounter, 1611 mSDsluCounter, 27524 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 653 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1611 SdHoareTripleChecker+Valid, 29822 SdHoareTripleChecker+Invalid, 1378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 653 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-23 04:22:18,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1611 Valid, 29822 Invalid, 1378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [653 Valid, 725 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-23 04:22:18,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7411 states. [2022-07-23 04:22:19,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7411 to 6401. [2022-07-23 04:22:19,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6401 states, 4417 states have (on average 1.2300203758206927) internal successors, (5433), 4508 states have internal predecessors, (5433), 1535 states have call successors, (1535), 451 states have call predecessors, (1535), 446 states have return successors, (1536), 1504 states have call predecessors, (1536), 1528 states have call successors, (1536) [2022-07-23 04:22:19,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6401 states to 6401 states and 8504 transitions. [2022-07-23 04:22:19,063 INFO L78 Accepts]: Start accepts. Automaton has 6401 states and 8504 transitions. Word has length 315 [2022-07-23 04:22:19,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:22:19,064 INFO L495 AbstractCegarLoop]: Abstraction has 6401 states and 8504 transitions. [2022-07-23 04:22:19,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.5) internal successors, (147), 14 states have internal predecessors, (147), 7 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (38), 7 states have call predecessors, (38), 7 states have call successors, (38) [2022-07-23 04:22:19,064 INFO L276 IsEmpty]: Start isEmpty. Operand 6401 states and 8504 transitions. [2022-07-23 04:22:19,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-07-23 04:22:19,067 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:22:19,067 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:22:19,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2022-07-23 04:22:19,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:22:19,268 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:22:19,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:22:19,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1418739184, now seen corresponding path program 1 times [2022-07-23 04:22:19,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:22:19,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1479132499] [2022-07-23 04:22:19,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:22:19,271 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:22:19,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:22:19,272 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:22:19,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2022-07-23 04:22:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:20,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 1785 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-23 04:22:20,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:22:21,342 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2022-07-23 04:22:21,342 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:22:21,343 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:22:21,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1479132499] [2022-07-23 04:22:21,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1479132499] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:22:21,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:22:21,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-07-23 04:22:21,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728523664] [2022-07-23 04:22:21,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:22:21,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-23 04:22:21,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:22:21,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-23 04:22:21,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-07-23 04:22:21,344 INFO L87 Difference]: Start difference. First operand 6401 states and 8504 transitions. Second operand has 15 states, 14 states have (on average 10.642857142857142) internal successors, (149), 14 states have internal predecessors, (149), 7 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (38), 7 states have call predecessors, (38), 7 states have call successors, (38) [2022-07-23 04:22:28,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:22:28,008 INFO L93 Difference]: Finished difference Result 14259 states and 19229 transitions. [2022-07-23 04:22:28,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-07-23 04:22:28,009 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 10.642857142857142) internal successors, (149), 14 states have internal predecessors, (149), 7 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (38), 7 states have call predecessors, (38), 7 states have call successors, (38) Word has length 317 [2022-07-23 04:22:28,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:22:28,034 INFO L225 Difference]: With dead ends: 14259 [2022-07-23 04:22:28,034 INFO L226 Difference]: Without dead ends: 8666 [2022-07-23 04:22:28,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=312, Invalid=1248, Unknown=0, NotChecked=0, Total=1560 [2022-07-23 04:22:28,050 INFO L413 NwaCegarLoop]: 2590 mSDtfsCounter, 1649 mSDsluCounter, 30463 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 924 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1748 SdHoareTripleChecker+Valid, 33053 SdHoareTripleChecker+Invalid, 1857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 924 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-23 04:22:28,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1748 Valid, 33053 Invalid, 1857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [924 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-23 04:22:28,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8666 states. [2022-07-23 04:22:28,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8666 to 6399. [2022-07-23 04:22:28,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6399 states, 4419 states have (on average 1.2308214528173795) internal successors, (5439), 4512 states have internal predecessors, (5439), 1531 states have call successors, (1531), 451 states have call predecessors, (1531), 446 states have return successors, (1532), 1500 states have call predecessors, (1532), 1524 states have call successors, (1532) [2022-07-23 04:22:28,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6399 states to 6399 states and 8502 transitions. [2022-07-23 04:22:28,520 INFO L78 Accepts]: Start accepts. Automaton has 6399 states and 8502 transitions. Word has length 317 [2022-07-23 04:22:28,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:22:28,520 INFO L495 AbstractCegarLoop]: Abstraction has 6399 states and 8502 transitions. [2022-07-23 04:22:28,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 10.642857142857142) internal successors, (149), 14 states have internal predecessors, (149), 7 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (38), 7 states have call predecessors, (38), 7 states have call successors, (38) [2022-07-23 04:22:28,520 INFO L276 IsEmpty]: Start isEmpty. Operand 6399 states and 8502 transitions. [2022-07-23 04:22:28,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-07-23 04:22:28,522 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:22:28,522 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:22:28,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (43)] Forceful destruction successful, exit code 0 [2022-07-23 04:22:28,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:22:28,723 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:22:28,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:22:28,724 INFO L85 PathProgramCache]: Analyzing trace with hash -932935093, now seen corresponding path program 1 times [2022-07-23 04:22:28,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:22:28,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1205890149] [2022-07-23 04:22:28,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:22:28,726 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:22:28,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:22:28,732 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:22:28,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2022-07-23 04:22:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:30,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 2068 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 04:22:30,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:22:30,561 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2022-07-23 04:22:30,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:22:30,561 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:22:30,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1205890149] [2022-07-23 04:22:30,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1205890149] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:22:30,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:22:30,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:22:30,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741750620] [2022-07-23 04:22:30,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:22:30,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:22:30,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:22:30,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:22:30,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:22:30,562 INFO L87 Difference]: Start difference. First operand 6399 states and 8502 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-23 04:22:31,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:22:31,023 INFO L93 Difference]: Finished difference Result 11992 states and 15950 transitions. [2022-07-23 04:22:31,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:22:31,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 309 [2022-07-23 04:22:31,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:22:31,049 INFO L225 Difference]: With dead ends: 11992 [2022-07-23 04:22:31,049 INFO L226 Difference]: Without dead ends: 6403 [2022-07-23 04:22:31,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:22:31,065 INFO L413 NwaCegarLoop]: 1832 mSDtfsCounter, 1 mSDsluCounter, 1825 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3657 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:22:31,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3657 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 04:22:31,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6403 states. [2022-07-23 04:22:31,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6403 to 6401. [2022-07-23 04:22:31,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6401 states, 4421 states have (on average 1.2307170323456231) internal successors, (5441), 4514 states have internal predecessors, (5441), 1531 states have call successors, (1531), 451 states have call predecessors, (1531), 446 states have return successors, (1532), 1500 states have call predecessors, (1532), 1524 states have call successors, (1532) [2022-07-23 04:22:31,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6401 states to 6401 states and 8504 transitions. [2022-07-23 04:22:31,547 INFO L78 Accepts]: Start accepts. Automaton has 6401 states and 8504 transitions. Word has length 309 [2022-07-23 04:22:31,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:22:31,548 INFO L495 AbstractCegarLoop]: Abstraction has 6401 states and 8504 transitions. [2022-07-23 04:22:31,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-23 04:22:31,548 INFO L276 IsEmpty]: Start isEmpty. Operand 6401 states and 8504 transitions. [2022-07-23 04:22:31,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-07-23 04:22:31,550 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:22:31,550 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:22:31,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (44)] Forceful destruction successful, exit code 0 [2022-07-23 04:22:31,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:22:31,751 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:22:31,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:22:31,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1221754483, now seen corresponding path program 1 times [2022-07-23 04:22:31,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:22:31,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1733524364] [2022-07-23 04:22:31,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:22:31,753 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:22:31,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:22:31,754 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:22:31,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2022-07-23 04:22:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:33,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 2068 conjuncts, 39 conjunts are in the unsatisfiable core [2022-07-23 04:22:33,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:22:35,982 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 130 proven. 30 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-07-23 04:22:35,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 04:22:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 22 proven. 42 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-07-23 04:22:41,556 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:22:41,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1733524364] [2022-07-23 04:22:41,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1733524364] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 04:22:41,556 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 04:22:41,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 29 [2022-07-23 04:22:41,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510906296] [2022-07-23 04:22:41,557 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 04:22:41,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-07-23 04:22:41,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:22:41,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-07-23 04:22:41,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=734, Unknown=0, NotChecked=0, Total=812 [2022-07-23 04:22:41,558 INFO L87 Difference]: Start difference. First operand 6401 states and 8504 transitions. Second operand has 29 states, 26 states have (on average 9.538461538461538) internal successors, (248), 23 states have internal predecessors, (248), 11 states have call successors, (55), 2 states have call predecessors, (55), 8 states have return successors, (57), 15 states have call predecessors, (57), 11 states have call successors, (57) [2022-07-23 04:22:53,026 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:22:56,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:22:56,879 INFO L93 Difference]: Finished difference Result 12346 states and 16459 transitions. [2022-07-23 04:22:56,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-23 04:22:56,881 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 26 states have (on average 9.538461538461538) internal successors, (248), 23 states have internal predecessors, (248), 11 states have call successors, (55), 2 states have call predecessors, (55), 8 states have return successors, (57), 15 states have call predecessors, (57), 11 states have call successors, (57) Word has length 309 [2022-07-23 04:22:56,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:22:56,899 INFO L225 Difference]: With dead ends: 12346 [2022-07-23 04:22:56,899 INFO L226 Difference]: Without dead ends: 6755 [2022-07-23 04:22:56,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 591 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=156, Invalid=1326, Unknown=0, NotChecked=0, Total=1482 [2022-07-23 04:22:56,911 INFO L413 NwaCegarLoop]: 2106 mSDtfsCounter, 547 mSDsluCounter, 36936 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 140 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 39042 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-07-23 04:22:56,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 39042 Invalid, 1546 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [140 Valid, 1405 Invalid, 1 Unknown, 0 Unchecked, 12.2s Time] [2022-07-23 04:22:56,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6755 states. [2022-07-23 04:22:57,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6755 to 6500. [2022-07-23 04:22:57,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6500 states, 4500 states have (on average 1.2317777777777779) internal successors, (5543), 4595 states have internal predecessors, (5543), 1550 states have call successors, (1550), 451 states have call predecessors, (1550), 447 states have return successors, (1553), 1519 states have call predecessors, (1553), 1543 states have call successors, (1553) [2022-07-23 04:22:57,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6500 states to 6500 states and 8646 transitions. [2022-07-23 04:22:57,387 INFO L78 Accepts]: Start accepts. Automaton has 6500 states and 8646 transitions. Word has length 309 [2022-07-23 04:22:57,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:22:57,387 INFO L495 AbstractCegarLoop]: Abstraction has 6500 states and 8646 transitions. [2022-07-23 04:22:57,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 26 states have (on average 9.538461538461538) internal successors, (248), 23 states have internal predecessors, (248), 11 states have call successors, (55), 2 states have call predecessors, (55), 8 states have return successors, (57), 15 states have call predecessors, (57), 11 states have call successors, (57) [2022-07-23 04:22:57,388 INFO L276 IsEmpty]: Start isEmpty. Operand 6500 states and 8646 transitions. [2022-07-23 04:22:57,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-07-23 04:22:57,391 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:22:57,391 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:22:57,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2022-07-23 04:22:57,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:22:57,592 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:22:57,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:22:57,592 INFO L85 PathProgramCache]: Analyzing trace with hash -211150131, now seen corresponding path program 1 times [2022-07-23 04:22:57,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:22:57,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2129303909] [2022-07-23 04:22:57,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:22:57,595 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:22:57,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:22:57,596 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:22:57,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2022-07-23 04:22:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:22:59,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 2064 conjuncts, 19 conjunts are in the unsatisfiable core [2022-07-23 04:22:59,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:22:59,528 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-07-23 04:22:59,528 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:22:59,529 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:22:59,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2129303909] [2022-07-23 04:22:59,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2129303909] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:22:59,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:22:59,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:22:59,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206808671] [2022-07-23 04:22:59,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:22:59,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:22:59,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:22:59,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:22:59,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:22:59,530 INFO L87 Difference]: Start difference. First operand 6500 states and 8646 transitions. Second operand has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-23 04:23:00,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:23:00,177 INFO L93 Difference]: Finished difference Result 12205 states and 16253 transitions. [2022-07-23 04:23:00,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 04:23:00,178 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 309 [2022-07-23 04:23:00,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:23:00,198 INFO L225 Difference]: With dead ends: 12205 [2022-07-23 04:23:00,199 INFO L226 Difference]: Without dead ends: 6515 [2022-07-23 04:23:00,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 04:23:00,213 INFO L413 NwaCegarLoop]: 1830 mSDtfsCounter, 2 mSDsluCounter, 7311 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9141 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 04:23:00,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9141 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 04:23:00,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6515 states. [2022-07-23 04:23:00,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6515 to 6515. [2022-07-23 04:23:00,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6515 states, 4512 states have (on average 1.2311613475177305) internal successors, (5555), 4607 states have internal predecessors, (5555), 1550 states have call successors, (1550), 451 states have call predecessors, (1550), 450 states have return successors, (1561), 1522 states have call predecessors, (1561), 1543 states have call successors, (1561) [2022-07-23 04:23:00,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6515 states to 6515 states and 8666 transitions. [2022-07-23 04:23:00,682 INFO L78 Accepts]: Start accepts. Automaton has 6515 states and 8666 transitions. Word has length 309 [2022-07-23 04:23:00,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:23:00,683 INFO L495 AbstractCegarLoop]: Abstraction has 6515 states and 8666 transitions. [2022-07-23 04:23:00,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 5 states have internal predecessors, (172), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-23 04:23:00,683 INFO L276 IsEmpty]: Start isEmpty. Operand 6515 states and 8666 transitions. [2022-07-23 04:23:00,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-07-23 04:23:00,685 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:23:00,686 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:23:00,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (46)] Forceful destruction successful, exit code 0 [2022-07-23 04:23:00,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:23:00,886 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:23:00,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:23:00,887 INFO L85 PathProgramCache]: Analyzing trace with hash 2057440243, now seen corresponding path program 1 times [2022-07-23 04:23:00,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:23:00,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1621930247] [2022-07-23 04:23:00,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:23:00,889 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:23:00,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:23:00,890 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:23:00,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2022-07-23 04:23:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:02,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 2126 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 04:23:02,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:23:02,773 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-07-23 04:23:02,773 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:23:02,773 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:23:02,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1621930247] [2022-07-23 04:23:02,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1621930247] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:23:02,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:23:02,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 04:23:02,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605220246] [2022-07-23 04:23:02,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:23:02,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 04:23:02,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:23:02,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 04:23:02,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:23:02,775 INFO L87 Difference]: Start difference. First operand 6515 states and 8666 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-23 04:23:03,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:23:03,247 INFO L93 Difference]: Finished difference Result 12223 states and 16284 transitions. [2022-07-23 04:23:03,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 04:23:03,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 319 [2022-07-23 04:23:03,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:23:03,267 INFO L225 Difference]: With dead ends: 12223 [2022-07-23 04:23:03,267 INFO L226 Difference]: Without dead ends: 6518 [2022-07-23 04:23:03,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 04:23:03,284 INFO L413 NwaCegarLoop]: 1832 mSDtfsCounter, 0 mSDsluCounter, 1828 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3660 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:23:03,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3660 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2022-07-23 04:23:03,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6518 states. [2022-07-23 04:23:03,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6518 to 6518. [2022-07-23 04:23:03,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6518 states, 4515 states have (on average 1.2310077519379845) internal successors, (5558), 4610 states have internal predecessors, (5558), 1550 states have call successors, (1550), 451 states have call predecessors, (1550), 450 states have return successors, (1561), 1522 states have call predecessors, (1561), 1543 states have call successors, (1561) [2022-07-23 04:23:03,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6518 states to 6518 states and 8669 transitions. [2022-07-23 04:23:03,800 INFO L78 Accepts]: Start accepts. Automaton has 6518 states and 8669 transitions. Word has length 319 [2022-07-23 04:23:03,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:23:03,800 INFO L495 AbstractCegarLoop]: Abstraction has 6518 states and 8669 transitions. [2022-07-23 04:23:03,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-23 04:23:03,801 INFO L276 IsEmpty]: Start isEmpty. Operand 6518 states and 8669 transitions. [2022-07-23 04:23:03,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-07-23 04:23:03,803 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:23:03,803 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:23:03,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (47)] Forceful destruction successful, exit code 0 [2022-07-23 04:23:04,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:23:04,005 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:23:04,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:23:04,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1683678543, now seen corresponding path program 1 times [2022-07-23 04:23:04,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:23:04,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157279811] [2022-07-23 04:23:04,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:23:04,006 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:23:04,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:23:04,008 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:23:04,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2022-07-23 04:23:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:05,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 2126 conjuncts, 35 conjunts are in the unsatisfiable core [2022-07-23 04:23:05,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:23:08,449 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 130 proven. 30 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-07-23 04:23:08,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 04:23:12,117 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 22 proven. 42 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-07-23 04:23:12,118 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:23:12,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157279811] [2022-07-23 04:23:12,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157279811] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 04:23:12,118 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 04:23:12,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 24 [2022-07-23 04:23:12,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100145854] [2022-07-23 04:23:12,119 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 04:23:12,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-07-23 04:23:12,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:23:12,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-23 04:23:12,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2022-07-23 04:23:12,120 INFO L87 Difference]: Start difference. First operand 6518 states and 8669 transitions. Second operand has 24 states, 21 states have (on average 12.095238095238095) internal successors, (254), 19 states have internal predecessors, (254), 11 states have call successors, (56), 2 states have call predecessors, (56), 7 states have return successors, (57), 14 states have call predecessors, (57), 11 states have call successors, (57) [2022-07-23 04:23:17,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:23:20,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:23:20,167 INFO L93 Difference]: Finished difference Result 12439 states and 16581 transitions. [2022-07-23 04:23:20,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-23 04:23:20,169 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 12.095238095238095) internal successors, (254), 19 states have internal predecessors, (254), 11 states have call successors, (56), 2 states have call predecessors, (56), 7 states have return successors, (57), 14 states have call predecessors, (57), 11 states have call successors, (57) Word has length 319 [2022-07-23 04:23:20,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:23:20,188 INFO L225 Difference]: With dead ends: 12439 [2022-07-23 04:23:20,188 INFO L226 Difference]: Without dead ends: 6731 [2022-07-23 04:23:20,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 614 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=105, Invalid=707, Unknown=0, NotChecked=0, Total=812 [2022-07-23 04:23:20,203 INFO L413 NwaCegarLoop]: 2067 mSDtfsCounter, 394 mSDsluCounter, 22090 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 164 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 24157 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-07-23 04:23:20,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 24157 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 749 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-07-23 04:23:20,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6731 states. [2022-07-23 04:23:20,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6731 to 6518. [2022-07-23 04:23:20,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6518 states, 4515 states have (on average 1.2310077519379845) internal successors, (5558), 4610 states have internal predecessors, (5558), 1550 states have call successors, (1550), 451 states have call predecessors, (1550), 450 states have return successors, (1561), 1522 states have call predecessors, (1561), 1543 states have call successors, (1561) [2022-07-23 04:23:20,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6518 states to 6518 states and 8669 transitions. [2022-07-23 04:23:20,733 INFO L78 Accepts]: Start accepts. Automaton has 6518 states and 8669 transitions. Word has length 319 [2022-07-23 04:23:20,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:23:20,734 INFO L495 AbstractCegarLoop]: Abstraction has 6518 states and 8669 transitions. [2022-07-23 04:23:20,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 12.095238095238095) internal successors, (254), 19 states have internal predecessors, (254), 11 states have call successors, (56), 2 states have call predecessors, (56), 7 states have return successors, (57), 14 states have call predecessors, (57), 11 states have call successors, (57) [2022-07-23 04:23:20,734 INFO L276 IsEmpty]: Start isEmpty. Operand 6518 states and 8669 transitions. [2022-07-23 04:23:20,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-07-23 04:23:20,737 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:23:20,737 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:23:20,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (48)] Forceful destruction successful, exit code 0 [2022-07-23 04:23:20,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:23:20,938 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:23:20,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:23:20,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1434158641, now seen corresponding path program 1 times [2022-07-23 04:23:20,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:23:20,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1414072354] [2022-07-23 04:23:20,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:23:20,940 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:23:20,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:23:20,942 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:23:20,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2022-07-23 04:23:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:23,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 2124 conjuncts, 29 conjunts are in the unsatisfiable core [2022-07-23 04:23:23,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:23:23,751 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-07-23 04:23:23,751 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:23:23,751 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:23:23,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1414072354] [2022-07-23 04:23:23,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1414072354] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:23:23,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:23:23,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-23 04:23:23,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566136040] [2022-07-23 04:23:23,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:23:23,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 04:23:23,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:23:23,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 04:23:23,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-07-23 04:23:23,753 INFO L87 Difference]: Start difference. First operand 6518 states and 8669 transitions. Second operand has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 9 states have internal predecessors, (170), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (33), 5 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-23 04:23:26,509 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:23:27,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:23:27,334 INFO L93 Difference]: Finished difference Result 12159 states and 16178 transitions. [2022-07-23 04:23:27,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 04:23:27,335 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 9 states have internal predecessors, (170), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (33), 5 states have call predecessors, (33), 3 states have call successors, (33) Word has length 319 [2022-07-23 04:23:27,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:23:27,356 INFO L225 Difference]: With dead ends: 12159 [2022-07-23 04:23:27,356 INFO L226 Difference]: Without dead ends: 6528 [2022-07-23 04:23:27,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2022-07-23 04:23:27,372 INFO L413 NwaCegarLoop]: 1959 mSDtfsCounter, 667 mSDsluCounter, 16674 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 256 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 18633 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 256 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-23 04:23:27,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 18633 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [256 Valid, 101 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-07-23 04:23:27,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6528 states. [2022-07-23 04:23:27,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6528 to 6524. [2022-07-23 04:23:27,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6524 states, 4521 states have (on average 1.2307011723070118) internal successors, (5564), 4613 states have internal predecessors, (5564), 1550 states have call successors, (1550), 451 states have call predecessors, (1550), 450 states have return successors, (1561), 1525 states have call predecessors, (1561), 1543 states have call successors, (1561) [2022-07-23 04:23:27,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6524 states to 6524 states and 8675 transitions. [2022-07-23 04:23:27,858 INFO L78 Accepts]: Start accepts. Automaton has 6524 states and 8675 transitions. Word has length 319 [2022-07-23 04:23:27,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:23:27,858 INFO L495 AbstractCegarLoop]: Abstraction has 6524 states and 8675 transitions. [2022-07-23 04:23:27,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 15.454545454545455) internal successors, (170), 9 states have internal predecessors, (170), 3 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (33), 5 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-23 04:23:27,859 INFO L276 IsEmpty]: Start isEmpty. Operand 6524 states and 8675 transitions. [2022-07-23 04:23:27,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-07-23 04:23:27,861 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:23:27,861 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:23:27,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (49)] Forceful destruction successful, exit code 0 [2022-07-23 04:23:28,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:23:28,063 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2022-07-23 04:23:28,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:23:28,063 INFO L85 PathProgramCache]: Analyzing trace with hash 834221325, now seen corresponding path program 1 times [2022-07-23 04:23:28,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:23:28,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2132888201] [2022-07-23 04:23:28,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:23:28,065 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:23:28,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:23:28,066 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:23:28,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (50)] Waiting until timeout for monitored process [2022-07-23 04:23:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:23:30,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 2184 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-23 04:23:30,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:23:30,776 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2022-07-23 04:23:30,776 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:23:30,776 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:23:30,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2132888201] [2022-07-23 04:23:30,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2132888201] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:23:30,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:23:30,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:23:30,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117370626] [2022-07-23 04:23:30,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:23:30,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:23:30,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:23:30,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:23:30,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:23:30,777 INFO L87 Difference]: Start difference. First operand 6524 states and 8675 transitions. Second operand has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 5 states have internal predecessors, (161), 2 states have call successors, (29), 2 states have call predecessors, (29), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-23 04:23:32,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:23:34,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:23:38,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []