./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 f4b24e32 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-?-f4b24e3 [2022-07-14 04:44:14,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:44:14,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:44:14,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:44:14,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:44:14,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:44:14,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:44:14,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:44:14,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:44:14,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:44:14,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:44:14,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:44:14,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:44:14,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:44:14,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:44:14,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:44:14,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:44:14,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:44:14,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:44:14,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:44:14,723 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:44:14,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:44:14,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:44:14,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:44:14,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:44:14,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:44:14,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:44:14,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:44:14,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:44:14,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:44:14,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:44:14,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:44:14,734 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:44:14,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:44:14,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:44:14,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:44:14,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:44:14,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:44:14,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:44:14,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:44:14,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:44:14,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:44:14,746 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:44:14,774 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:44:14,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:44:14,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:44:14,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:44:14,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:44:14,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:44:14,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:44:14,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:44:14,777 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:44:14,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:44:14,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:44:14,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:44:14,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:44:14,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:44:14,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:44:14,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:44:14,778 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:44:14,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:44:14,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:44:14,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:44:14,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:44:14,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:44:14,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:44:14,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:44:14,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:44:14,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:44:14,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:44:14,780 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:44:14,781 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:44:14,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:44:14,781 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112291a0afbd95f38753698288bc21e678f8fc599868e66751c5bf984ca2e210 [2022-07-14 04:44:15,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:44:15,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:44:15,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:44:15,092 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:44:15,093 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:44:15,094 INFO L432 ainManager$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 [2022-07-14 04:44:15,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de929125b/887dc00225dd41b88d8f8baa9bdfe98a/FLAGa7438de43 [2022-07-14 04:44:16,017 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:44:16,018 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 [2022-07-14 04:44:16,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de929125b/887dc00225dd41b88d8f8baa9bdfe98a/FLAGa7438de43 [2022-07-14 04:44:16,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de929125b/887dc00225dd41b88d8f8baa9bdfe98a [2022-07-14 04:44:16,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:44:16,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:44:16,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:44:16,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:44:16,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:44:16,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:44:16" (1/1) ... [2022-07-14 04:44:16,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c2685e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:44:16, skipping insertion in model container [2022-07-14 04:44:16,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:44:16" (1/1) ... [2022-07-14 04:44:16,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:44:16,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:44:20,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,231 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,231 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,232 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,232 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,233 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,233 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,233 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,234 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,234 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,235 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,235 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,235 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,236 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,237 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,237 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,237 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,238 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,240 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,240 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,240 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,241 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,241 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,250 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,250 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,250 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,256 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,256 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,256 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:20,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:44:20,326 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:44:20,452 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) [2022-07-14 04:44:20,459 INFO L158 Benchmark]: Toolchain (without parser) took 4280.29ms. Allocated memory was 94.4MB in the beginning and 144.7MB in the end (delta: 50.3MB). Free memory was 56.8MB in the beginning and 78.4MB in the end (delta: -21.7MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2022-07-14 04:44:20,460 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory was 69.6MB in the beginning and 69.6MB in the end (delta: 47.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 04:44:20,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4278.47ms. Allocated memory was 94.4MB in the beginning and 144.7MB in the end (delta: 50.3MB). Free memory was 56.5MB in the beginning and 78.4MB in the end (delta: -21.9MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2022-07-14 04:44:20,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory was 69.6MB in the beginning and 69.6MB in the end (delta: 47.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4278.47ms. Allocated memory was 94.4MB in the beginning and 144.7MB in the end (delta: 50.3MB). Free memory was 56.5MB in the beginning and 78.4MB in the end (delta: -21.9MB). Peak memory consumption was 61.8MB. 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-?-f4b24e3 [2022-07-14 04:44:22,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:44:22,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:44:22,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:44:22,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:44:22,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:44:22,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:44:22,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:44:22,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:44:22,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:44:22,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:44:22,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:44:22,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:44:22,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:44:22,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:44:22,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:44:22,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:44:22,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:44:22,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:44:22,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:44:22,354 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:44:22,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:44:22,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:44:22,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:44:22,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:44:22,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:44:22,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:44:22,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:44:22,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:44:22,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:44:22,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:44:22,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:44:22,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:44:22,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:44:22,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:44:22,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:44:22,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:44:22,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:44:22,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:44:22,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:44:22,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:44:22,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:44:22,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 04:44:22,424 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:44:22,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:44:22,425 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:44:22,425 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:44:22,426 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:44:22,426 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:44:22,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:44:22,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:44:22,427 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:44:22,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:44:22,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:44:22,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:44:22,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:44:22,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:44:22,429 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 04:44:22,430 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 04:44:22,430 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 04:44:22,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:44:22,430 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:44:22,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:44:22,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:44:22,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:44:22,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:44:22,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:44:22,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:44:22,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:44:22,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:44:22,432 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 04:44:22,432 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 04:44:22,432 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:44:22,433 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:44:22,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:44:22,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 04:44:22,433 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112291a0afbd95f38753698288bc21e678f8fc599868e66751c5bf984ca2e210 [2022-07-14 04:44:22,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:44:22,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:44:22,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:44:22,751 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:44:22,751 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:44:22,753 INFO L432 ainManager$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 [2022-07-14 04:44:22,815 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74ee7332c/e85feacdde7d461c8282ec2627c92666/FLAGfcb53a9ac [2022-07-14 04:44:23,708 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:44:23,708 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 [2022-07-14 04:44:23,775 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74ee7332c/e85feacdde7d461c8282ec2627c92666/FLAGfcb53a9ac [2022-07-14 04:44:24,192 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74ee7332c/e85feacdde7d461c8282ec2627c92666 [2022-07-14 04:44:24,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:44:24,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:44:24,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:44:24,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:44:24,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:44:24,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:44:24" (1/1) ... [2022-07-14 04:44:24,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a4c2114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:44:24, skipping insertion in model container [2022-07-14 04:44:24,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:44:24" (1/1) ... [2022-07-14 04:44:24,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:44:24,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:44:28,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:44:28,371 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 04:44:28,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:44:28,704 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,705 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,705 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:28,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:44:28,810 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:44:29,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,073 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,106 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/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] [2022-07-14 04:44:29,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:44:29,391 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:44:29,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:44:29 WrapperNode [2022-07-14 04:44:29,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:44:29,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:44:29,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:44:29,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:44:29,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:44:29" (1/1) ... [2022-07-14 04:44:29,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:44:29" (1/1) ... [2022-07-14 04:44:29,736 INFO L137 Inliner]: procedures = 650, calls = 2220, calls flagged for inlining = 287, calls inlined = 204, statements flattened = 4977 [2022-07-14 04:44:29,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:44:29,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:44:29,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:44:29,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:44:29,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:44:29" (1/1) ... [2022-07-14 04:44:29,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:44:29" (1/1) ... [2022-07-14 04:44:29,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:44:29" (1/1) ... [2022-07-14 04:44:29,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:44:29" (1/1) ... [2022-07-14 04:44:29,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:44:29" (1/1) ... [2022-07-14 04:44:29,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:44:29" (1/1) ... [2022-07-14 04:44:30,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:44:29" (1/1) ... [2022-07-14 04:44:30,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:44:30,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:44:30,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:44:30,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:44:30,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:44:29" (1/1) ... [2022-07-14 04:44:30,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:44:30,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:44:30,081 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) [2022-07-14 04:44:30,106 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 [2022-07-14 04:44:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-07-14 04:44:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-07-14 04:44:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 04:44:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 04:44:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-14 04:44:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-14 04:44:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2022-07-14 04:44:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2022-07-14 04:44:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 04:44:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 04:44:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:44:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:44:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2022-07-14 04:44:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2022-07-14 04:44:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-14 04:44:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-14 04:44:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:44:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:44:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_write_1bit [2022-07-14 04:44:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_write_1bit [2022-07-14 04:44:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-14 04:44:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-14 04:44:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 04:44:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 04:44:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-14 04:44:30,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-14 04:44:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-14 04:44:30,122 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-14 04:44:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-07-14 04:44:30,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-07-14 04:44:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-07-14 04:44:30,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-07-14 04:44:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-14 04:44:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-14 04:44:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 04:44:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 04:44:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2022-07-14 04:44:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2022-07-14 04:44:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2022-07-14 04:44:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2022-07-14 04:44:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 04:44:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 04:44:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:44:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:44:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 04:44:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 04:44:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-14 04:44:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-14 04:44:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 04:44:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 04:44:30,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:44:30,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:44:30,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-07-14 04:44:30,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-07-14 04:44:30,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:44:30,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 04:44:30,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 04:44:30,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 04:44:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-07-14 04:44:30,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-07-14 04:44:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2022-07-14 04:44:30,126 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2022-07-14 04:44:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 04:44:30,126 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 04:44:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 04:44:30,126 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 04:44:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-07-14 04:44:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-07-14 04:44:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-07-14 04:44:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-07-14 04:44:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:44:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:44:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2022-07-14 04:44:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2022-07-14 04:44:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-14 04:44:30,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-14 04:44:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2022-07-14 04:44:30,128 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2022-07-14 04:44:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-07-14 04:44:30,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-07-14 04:44:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 04:44:30,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 04:44:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-07-14 04:44:30,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-07-14 04:44:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 04:44:30,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 04:44:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 04:44:30,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 04:44:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 04:44:30,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 04:44:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2022-07-14 04:44:30,129 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2022-07-14 04:44:30,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 04:44:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 04:44:30,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-07-14 04:44:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-07-14 04:44:30,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-14 04:44:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-14 04:44:30,130 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2022-07-14 04:44:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2022-07-14 04:44:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:44:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:44:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2022-07-14 04:44:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2022-07-14 04:44:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:44:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:44:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 04:44:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 04:44:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:44:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-14 04:44:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-14 04:44:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 04:44:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 04:44:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:44:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:44:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 04:44:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-07-14 04:44:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-07-14 04:44:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2022-07-14 04:44:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2022-07-14 04:44:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 04:44:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 04:44:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-14 04:44:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-14 04:44:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-07-14 04:44:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-07-14 04:44:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 04:44:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 04:44:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 04:44:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_stop [2022-07-14 04:44:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_stop [2022-07-14 04:44:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:44:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:44:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 04:44:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 04:44:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 04:44:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:44:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 04:44:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:44:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:44:30,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:44:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:44:30,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:44:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 04:44:30,136 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 04:44:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_open [2022-07-14 04:44:30,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_open [2022-07-14 04:44:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_dmfe_board_info [2022-07-14 04:44:30,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_dmfe_board_info [2022-07-14 04:44:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 04:44:30,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 04:44:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_130 [2022-07-14 04:44:30,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_130 [2022-07-14 04:44:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 04:44:30,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 04:44:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 04:44:30,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 04:44:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-14 04:44:30,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-14 04:44:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2022-07-14 04:44:30,138 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2022-07-14 04:44:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-07-14 04:44:30,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-07-14 04:44:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-07-14 04:44:30,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-07-14 04:44:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:44:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-14 04:44:30,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-14 04:44:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:44:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-14 04:44:30,139 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-14 04:44:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-14 04:44:30,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-14 04:44:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_read_1bit [2022-07-14 04:44:30,139 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_read_1bit [2022-07-14 04:44:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 04:44:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 04:44:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 04:44:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 04:44:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:44:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2022-07-14 04:44:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2022-07-14 04:44:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-14 04:44:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-14 04:44:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 04:44:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 04:44:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_write [2022-07-14 04:44:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_write [2022-07-14 04:44:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:44:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:44:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2022-07-14 04:44:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2022-07-14 04:44:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-14 04:44:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-14 04:44:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-14 04:44:30,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-14 04:44:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-07-14 04:44:30,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-07-14 04:44:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 04:44:30,142 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 04:44:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-07-14 04:44:30,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-07-14 04:44:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-14 04:44:30,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-14 04:44:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2022-07-14 04:44:30,143 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2022-07-14 04:44:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-14 04:44:30,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-14 04:44:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 04:44:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 04:44:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 04:44:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 04:44:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:44:30,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:44:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2022-07-14 04:44:30,144 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2022-07-14 04:44:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-14 04:44:30,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-14 04:44:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-07-14 04:44:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-07-14 04:44:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_read [2022-07-14 04:44:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_read [2022-07-14 04:44:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:44:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:44:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-14 04:44:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-14 04:44:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-14 04:44:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-14 04:44:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-14 04:44:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-14 04:44:30,981 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:44:30,984 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:44:33,356 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:45:14,741 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:45:14,757 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:45:14,757 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 04:45:14,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:45:14 BoogieIcfgContainer [2022-07-14 04:45:14,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:45:14,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:45:14,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:45:14,767 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:45:14,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:44:24" (1/3) ... [2022-07-14 04:45:14,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3402a4ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:45:14, skipping insertion in model container [2022-07-14 04:45:14,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:44:29" (2/3) ... [2022-07-14 04:45:14,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3402a4ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:45:14, skipping insertion in model container [2022-07-14 04:45:14,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:45:14" (3/3) ... [2022-07-14 04:45:14,770 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--dec--tulip--dmfe.ko.cil.i [2022-07-14 04:45:14,783 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:45:14,784 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2022-07-14 04:45:14,885 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:45:14,890 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@24287359, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7ef9fdcc [2022-07-14 04:45:14,891 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2022-07-14 04:45:14,902 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) [2022-07-14 04:45:14,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-14 04:45:14,915 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:45:14,916 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] [2022-07-14 04:45:14,916 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)] === [2022-07-14 04:45:14,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:45:14,922 INFO L85 PathProgramCache]: Analyzing trace with hash -568275191, now seen corresponding path program 1 times [2022-07-14 04:45:14,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:45:14,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142270143] [2022-07-14 04:45:14,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:45:14,938 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:45:14,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:45:14,943 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) [2022-07-14 04:45:14,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 04:45:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:45:16,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:45:16,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:45:16,241 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 04:45:16,242 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:45:16,242 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:45:16,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1142270143] [2022-07-14 04:45:16,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1142270143] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:45:16,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:45:16,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 04:45:16,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875603187] [2022-07-14 04:45:16,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:45:16,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:45:16,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:45:16,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:45:16,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:45:16,320 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) [2022-07-14 04:45:16,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:45:16,900 INFO L93 Difference]: Finished difference Result 5225 states and 7403 transitions. [2022-07-14 04:45:16,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:45:16,903 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 [2022-07-14 04:45:16,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:45:16,950 INFO L225 Difference]: With dead ends: 5225 [2022-07-14 04:45:16,950 INFO L226 Difference]: Without dead ends: 3463 [2022-07-14 04:45:16,969 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 [2022-07-14 04:45:16,974 INFO L413 NwaCegarLoop]: 4347 mSDtfsCounter, 2340 mSDsluCounter, 2309 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2340 SdHoareTripleChecker+Valid, 6656 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 [2022-07-14 04:45:16,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2340 Valid, 6656 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 04:45:17,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3463 states. [2022-07-14 04:45:17,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3463 to 3262. [2022-07-14 04:45:17,238 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) [2022-07-14 04:45:17,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 3262 states and 4490 transitions. [2022-07-14 04:45:17,275 INFO L78 Accepts]: Start accepts. Automaton has 3262 states and 4490 transitions. Word has length 75 [2022-07-14 04:45:17,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:45:17,276 INFO L495 AbstractCegarLoop]: Abstraction has 3262 states and 4490 transitions. [2022-07-14 04:45:17,276 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) [2022-07-14 04:45:17,276 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 4490 transitions. [2022-07-14 04:45:17,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-14 04:45:17,281 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:45:17,281 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] [2022-07-14 04:45:17,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 04:45:17,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:45:17,482 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)] === [2022-07-14 04:45:17,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:45:17,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1300242617, now seen corresponding path program 1 times [2022-07-14 04:45:17,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:45:17,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618213859] [2022-07-14 04:45:17,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:45:17,485 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:45:17,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:45:17,487 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) [2022-07-14 04:45:17,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 04:45:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:45:18,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:45:18,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:45:18,611 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 04:45:18,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:45:18,611 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:45:18,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1618213859] [2022-07-14 04:45:18,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1618213859] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:45:18,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:45:18,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 04:45:18,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942807262] [2022-07-14 04:45:18,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:45:18,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:45:18,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:45:18,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:45:18,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:45:18,618 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) [2022-07-14 04:45:18,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:45:18,750 INFO L93 Difference]: Finished difference Result 4961 states and 6762 transitions. [2022-07-14 04:45:18,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:45:18,750 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 [2022-07-14 04:45:18,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:45:18,761 INFO L225 Difference]: With dead ends: 4961 [2022-07-14 04:45:18,762 INFO L226 Difference]: Without dead ends: 1735 [2022-07-14 04:45:18,828 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 [2022-07-14 04:45:18,830 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 [2022-07-14 04:45:18,831 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] [2022-07-14 04:45:18,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2022-07-14 04:45:18,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1735. [2022-07-14 04:45:18,889 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) [2022-07-14 04:45:18,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 2328 transitions. [2022-07-14 04:45:18,903 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 2328 transitions. Word has length 75 [2022-07-14 04:45:18,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:45:18,903 INFO L495 AbstractCegarLoop]: Abstraction has 1735 states and 2328 transitions. [2022-07-14 04:45:18,904 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) [2022-07-14 04:45:18,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2328 transitions. [2022-07-14 04:45:18,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-14 04:45:18,909 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:45:18,910 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] [2022-07-14 04:45:18,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 04:45:19,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:45:19,129 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)] === [2022-07-14 04:45:19,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:45:19,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1308544841, now seen corresponding path program 1 times [2022-07-14 04:45:19,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:45:19,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [11706724] [2022-07-14 04:45:19,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:45:19,132 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:45:19,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:45:19,134 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) [2022-07-14 04:45:19,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 04:45:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:45:20,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:45:20,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:45:20,326 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 04:45:20,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:45:20,326 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:45:20,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [11706724] [2022-07-14 04:45:20,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [11706724] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:45:20,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:45:20,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 04:45:20,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436396924] [2022-07-14 04:45:20,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:45:20,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:45:20,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:45:20,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:45:20,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:45:20,329 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) [2022-07-14 04:45:20,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:45:20,419 INFO L93 Difference]: Finished difference Result 3462 states and 4646 transitions. [2022-07-14 04:45:20,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:45:20,420 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 [2022-07-14 04:45:20,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:45:20,431 INFO L225 Difference]: With dead ends: 3462 [2022-07-14 04:45:20,431 INFO L226 Difference]: Without dead ends: 1735 [2022-07-14 04:45:20,440 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 [2022-07-14 04:45:20,441 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 [2022-07-14 04:45:20,442 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] [2022-07-14 04:45:20,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2022-07-14 04:45:20,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1735. [2022-07-14 04:45:20,505 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) [2022-07-14 04:45:20,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 2327 transitions. [2022-07-14 04:45:20,518 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 2327 transitions. Word has length 75 [2022-07-14 04:45:20,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:45:20,519 INFO L495 AbstractCegarLoop]: Abstraction has 1735 states and 2327 transitions. [2022-07-14 04:45:20,519 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) [2022-07-14 04:45:20,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2327 transitions. [2022-07-14 04:45:20,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-14 04:45:20,522 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:45:20,522 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] [2022-07-14 04:45:20,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 04:45:20,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:45:20,736 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)] === [2022-07-14 04:45:20,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:45:20,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1254151943, now seen corresponding path program 1 times [2022-07-14 04:45:20,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:45:20,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1430666850] [2022-07-14 04:45:20,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:45:20,739 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:45:20,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:45:20,740 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) [2022-07-14 04:45:20,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 04:45:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:45:21,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:45:21,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:45:21,854 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 04:45:21,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:45:21,854 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:45:21,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1430666850] [2022-07-14 04:45:21,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1430666850] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:45:21,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:45:21,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 04:45:21,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587274052] [2022-07-14 04:45:21,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:45:21,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:45:21,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:45:21,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:45:21,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:45:21,859 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) [2022-07-14 04:45:21,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:45:21,974 INFO L93 Difference]: Finished difference Result 3455 states and 4633 transitions. [2022-07-14 04:45:21,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:45:21,975 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 [2022-07-14 04:45:21,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:45:22,056 INFO L225 Difference]: With dead ends: 3455 [2022-07-14 04:45:22,056 INFO L226 Difference]: Without dead ends: 1734 [2022-07-14 04:45:22,064 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 [2022-07-14 04:45:22,066 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 [2022-07-14 04:45:22,067 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] [2022-07-14 04:45:22,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2022-07-14 04:45:22,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1734. [2022-07-14 04:45:22,133 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) [2022-07-14 04:45:22,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2321 transitions. [2022-07-14 04:45:22,144 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2321 transitions. Word has length 75 [2022-07-14 04:45:22,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:45:22,144 INFO L495 AbstractCegarLoop]: Abstraction has 1734 states and 2321 transitions. [2022-07-14 04:45:22,145 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) [2022-07-14 04:45:22,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2321 transitions. [2022-07-14 04:45:22,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-14 04:45:22,147 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:45:22,147 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] [2022-07-14 04:45:22,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 04:45:22,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:45:22,367 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)] === [2022-07-14 04:45:22,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:45:22,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1230206929, now seen corresponding path program 1 times [2022-07-14 04:45:22,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:45:22,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [984877207] [2022-07-14 04:45:22,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:45:22,370 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:45:22,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:45:22,372 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) [2022-07-14 04:45:22,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 04:45:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:45:23,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:45:23,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:45:23,486 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 04:45:23,486 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:45:23,486 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:45:23,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [984877207] [2022-07-14 04:45:23,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [984877207] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:45:23,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:45:23,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 04:45:23,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534431234] [2022-07-14 04:45:23,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:45:23,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:45:23,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:45:23,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:45:23,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:45:23,489 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) [2022-07-14 04:45:23,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:45:23,600 INFO L93 Difference]: Finished difference Result 3441 states and 4614 transitions. [2022-07-14 04:45:23,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:45:23,601 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 [2022-07-14 04:45:23,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:45:23,616 INFO L225 Difference]: With dead ends: 3441 [2022-07-14 04:45:23,616 INFO L226 Difference]: Without dead ends: 1722 [2022-07-14 04:45:23,626 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 [2022-07-14 04:45:23,627 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 [2022-07-14 04:45:23,628 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] [2022-07-14 04:45:23,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2022-07-14 04:45:23,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1722. [2022-07-14 04:45:23,701 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) [2022-07-14 04:45:23,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 2300 transitions. [2022-07-14 04:45:23,712 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 2300 transitions. Word has length 79 [2022-07-14 04:45:23,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:45:23,713 INFO L495 AbstractCegarLoop]: Abstraction has 1722 states and 2300 transitions. [2022-07-14 04:45:23,713 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) [2022-07-14 04:45:23,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2300 transitions. [2022-07-14 04:45:23,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-14 04:45:23,718 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:45:23,719 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] [2022-07-14 04:45:23,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 04:45:23,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:45:23,939 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)] === [2022-07-14 04:45:23,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:45:23,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1103185709, now seen corresponding path program 1 times [2022-07-14 04:45:23,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:45:23,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1141050298] [2022-07-14 04:45:23,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:45:23,941 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:45:23,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:45:23,944 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) [2022-07-14 04:45:23,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 04:45:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:45:25,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 1077 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:45:25,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:45:25,213 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 04:45:25,213 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:45:25,213 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:45:25,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1141050298] [2022-07-14 04:45:25,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1141050298] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:45:25,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:45:25,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 04:45:25,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535986055] [2022-07-14 04:45:25,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:45:25,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:45:25,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:45:25,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:45:25,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:45:25,216 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) [2022-07-14 04:45:25,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:45:25,341 INFO L93 Difference]: Finished difference Result 3428 states and 4589 transitions. [2022-07-14 04:45:25,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:45:25,342 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 [2022-07-14 04:45:25,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:45:25,353 INFO L225 Difference]: With dead ends: 3428 [2022-07-14 04:45:25,353 INFO L226 Difference]: Without dead ends: 1722 [2022-07-14 04:45:25,362 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 [2022-07-14 04:45:25,364 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 [2022-07-14 04:45:25,364 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] [2022-07-14 04:45:25,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2022-07-14 04:45:25,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1722. [2022-07-14 04:45:25,430 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) [2022-07-14 04:45:25,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 2298 transitions. [2022-07-14 04:45:25,441 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 2298 transitions. Word has length 79 [2022-07-14 04:45:25,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:45:25,441 INFO L495 AbstractCegarLoop]: Abstraction has 1722 states and 2298 transitions. [2022-07-14 04:45:25,442 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) [2022-07-14 04:45:25,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 2298 transitions. [2022-07-14 04:45:25,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-14 04:45:25,443 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:45:25,443 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] [2022-07-14 04:45:25,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 04:45:25,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:45:25,657 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)] === [2022-07-14 04:45:25,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:45:25,657 INFO L85 PathProgramCache]: Analyzing trace with hash -901361775, now seen corresponding path program 1 times [2022-07-14 04:45:25,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:45:25,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [391357958] [2022-07-14 04:45:25,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:45:25,658 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:45:25,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:45:25,672 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) [2022-07-14 04:45:25,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 04:45:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:45:26,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:45:26,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:45:26,665 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 04:45:26,666 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:45:26,666 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:45:26,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [391357958] [2022-07-14 04:45:26,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [391357958] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:45:26,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:45:26,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 04:45:26,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276967625] [2022-07-14 04:45:26,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:45:26,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:45:26,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:45:26,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:45:26,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:45:26,668 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) [2022-07-14 04:45:26,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:45:26,757 INFO L93 Difference]: Finished difference Result 3425 states and 4582 transitions. [2022-07-14 04:45:26,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:45:26,758 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 [2022-07-14 04:45:26,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:45:26,768 INFO L225 Difference]: With dead ends: 3425 [2022-07-14 04:45:26,768 INFO L226 Difference]: Without dead ends: 1720 [2022-07-14 04:45:26,777 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 [2022-07-14 04:45:26,778 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 [2022-07-14 04:45:26,779 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] [2022-07-14 04:45:26,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1720 states. [2022-07-14 04:45:26,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1720 to 1720. [2022-07-14 04:45:26,853 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) [2022-07-14 04:45:26,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 2294 transitions. [2022-07-14 04:45:26,863 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 2294 transitions. Word has length 79 [2022-07-14 04:45:26,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:45:26,864 INFO L495 AbstractCegarLoop]: Abstraction has 1720 states and 2294 transitions. [2022-07-14 04:45:26,864 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) [2022-07-14 04:45:26,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2294 transitions. [2022-07-14 04:45:26,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-14 04:45:26,866 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:45:26,867 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] [2022-07-14 04:45:26,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-14 04:45:27,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:45:27,079 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)] === [2022-07-14 04:45:27,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:45:27,080 INFO L85 PathProgramCache]: Analyzing trace with hash -340661997, now seen corresponding path program 1 times [2022-07-14 04:45:27,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:45:27,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [262938926] [2022-07-14 04:45:27,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:45:27,081 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:45:27,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:45:27,083 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) [2022-07-14 04:45:27,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 04:45:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:45:28,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:45:28,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:45:28,228 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 04:45:28,228 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:45:28,228 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:45:28,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [262938926] [2022-07-14 04:45:28,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [262938926] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:45:28,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:45:28,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 04:45:28,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426875219] [2022-07-14 04:45:28,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:45:28,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:45:28,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:45:28,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:45:28,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:45:28,231 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) [2022-07-14 04:45:28,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:45:28,459 INFO L93 Difference]: Finished difference Result 5072 states and 6779 transitions. [2022-07-14 04:45:28,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:45:28,460 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 [2022-07-14 04:45:28,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:45:28,482 INFO L225 Difference]: With dead ends: 5072 [2022-07-14 04:45:28,482 INFO L226 Difference]: Without dead ends: 3370 [2022-07-14 04:45:28,494 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 [2022-07-14 04:45:28,495 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 [2022-07-14 04:45:28,495 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] [2022-07-14 04:45:28,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3370 states. [2022-07-14 04:45:28,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3370 to 3162. [2022-07-14 04:45:28,663 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) [2022-07-14 04:45:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 3162 states and 4275 transitions. [2022-07-14 04:45:28,685 INFO L78 Accepts]: Start accepts. Automaton has 3162 states and 4275 transitions. Word has length 79 [2022-07-14 04:45:28,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:45:28,685 INFO L495 AbstractCegarLoop]: Abstraction has 3162 states and 4275 transitions. [2022-07-14 04:45:28,686 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) [2022-07-14 04:45:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 3162 states and 4275 transitions. [2022-07-14 04:45:28,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-14 04:45:28,687 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:45:28,688 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] [2022-07-14 04:45:28,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-14 04:45:28,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:45:28,907 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)] === [2022-07-14 04:45:28,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:45:28,908 INFO L85 PathProgramCache]: Analyzing trace with hash 93067089, now seen corresponding path program 1 times [2022-07-14 04:45:28,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:45:28,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [56492322] [2022-07-14 04:45:28,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:45:28,909 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:45:28,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:45:28,911 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) [2022-07-14 04:45:28,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-14 04:45:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:45:29,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:45:29,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:45:30,340 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:45:30,340 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:45:30,340 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:45:30,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [56492322] [2022-07-14 04:45:30,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [56492322] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:45:30,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:45:30,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:45:30,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658586921] [2022-07-14 04:45:30,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:45:30,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:45:30,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:45:30,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:45:30,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:45:30,343 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) [2022-07-14 04:45:30,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:45:30,526 INFO L93 Difference]: Finished difference Result 3162 states and 4275 transitions. [2022-07-14 04:45:30,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:45:30,526 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 [2022-07-14 04:45:30,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:45:30,545 INFO L225 Difference]: With dead ends: 3162 [2022-07-14 04:45:30,545 INFO L226 Difference]: Without dead ends: 3160 [2022-07-14 04:45:30,548 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 [2022-07-14 04:45:30,550 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 [2022-07-14 04:45:30,551 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] [2022-07-14 04:45:30,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3160 states. [2022-07-14 04:45:30,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3160 to 3160. [2022-07-14 04:45:30,713 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) [2022-07-14 04:45:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 3160 states and 4273 transitions. [2022-07-14 04:45:30,730 INFO L78 Accepts]: Start accepts. Automaton has 3160 states and 4273 transitions. Word has length 79 [2022-07-14 04:45:30,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:45:30,733 INFO L495 AbstractCegarLoop]: Abstraction has 3160 states and 4273 transitions. [2022-07-14 04:45:30,733 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) [2022-07-14 04:45:30,733 INFO L276 IsEmpty]: Start isEmpty. Operand 3160 states and 4273 transitions. [2022-07-14 04:45:30,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-07-14 04:45:30,735 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:45:30,736 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] [2022-07-14 04:45:30,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-14 04:45:30,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:45:30,951 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)] === [2022-07-14 04:45:30,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:45:30,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1468122798, now seen corresponding path program 1 times [2022-07-14 04:45:30,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:45:30,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74841262] [2022-07-14 04:45:30,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:45:30,953 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:45:30,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:45:30,955 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) [2022-07-14 04:45:30,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-14 04:45:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:45:31,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:45:31,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:45:32,413 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:45:32,413 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:45:32,413 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:45:32,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74841262] [2022-07-14 04:45:32,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74841262] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:45:32,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:45:32,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:45:32,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780698185] [2022-07-14 04:45:32,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:45:32,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:45:32,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:45:32,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:45:32,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:45:32,415 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) [2022-07-14 04:45:32,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:45:32,573 INFO L93 Difference]: Finished difference Result 3160 states and 4273 transitions. [2022-07-14 04:45:32,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:45:32,573 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 [2022-07-14 04:45:32,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:45:32,593 INFO L225 Difference]: With dead ends: 3160 [2022-07-14 04:45:32,594 INFO L226 Difference]: Without dead ends: 3158 [2022-07-14 04:45:32,597 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 [2022-07-14 04:45:32,597 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 [2022-07-14 04:45:32,598 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] [2022-07-14 04:45:32,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2022-07-14 04:45:32,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 3158. [2022-07-14 04:45:32,777 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) [2022-07-14 04:45:32,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3158 states to 3158 states and 4271 transitions. [2022-07-14 04:45:32,793 INFO L78 Accepts]: Start accepts. Automaton has 3158 states and 4271 transitions. Word has length 85 [2022-07-14 04:45:32,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:45:32,794 INFO L495 AbstractCegarLoop]: Abstraction has 3158 states and 4271 transitions. [2022-07-14 04:45:32,794 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) [2022-07-14 04:45:32,794 INFO L276 IsEmpty]: Start isEmpty. Operand 3158 states and 4271 transitions. [2022-07-14 04:45:32,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-14 04:45:32,796 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:45:32,796 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] [2022-07-14 04:45:32,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-14 04:45:33,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:45:33,011 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)] === [2022-07-14 04:45:33,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:45:33,012 INFO L85 PathProgramCache]: Analyzing trace with hash 473245616, now seen corresponding path program 1 times [2022-07-14 04:45:33,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:45:33,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253326572] [2022-07-14 04:45:33,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:45:33,013 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:45:33,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:45:33,016 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) [2022-07-14 04:45:33,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-14 04:45:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:45:33,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 1092 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:45:33,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:45:34,545 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:45:34,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:45:34,546 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:45:34,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253326572] [2022-07-14 04:45:34,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [253326572] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:45:34,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:45:34,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:45:34,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895157508] [2022-07-14 04:45:34,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:45:34,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:45:34,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:45:34,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:45:34,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:45:34,548 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) [2022-07-14 04:45:34,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:45:34,697 INFO L93 Difference]: Finished difference Result 3158 states and 4271 transitions. [2022-07-14 04:45:34,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:45:34,698 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 [2022-07-14 04:45:34,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:45:34,738 INFO L225 Difference]: With dead ends: 3158 [2022-07-14 04:45:34,738 INFO L226 Difference]: Without dead ends: 3156 [2022-07-14 04:45:34,742 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 [2022-07-14 04:45:34,742 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 [2022-07-14 04:45:34,743 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] [2022-07-14 04:45:34,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3156 states. [2022-07-14 04:45:34,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3156 to 3156. [2022-07-14 04:45:34,925 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) [2022-07-14 04:45:34,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 3156 states and 4269 transitions. [2022-07-14 04:45:34,940 INFO L78 Accepts]: Start accepts. Automaton has 3156 states and 4269 transitions. Word has length 91 [2022-07-14 04:45:34,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:45:34,942 INFO L495 AbstractCegarLoop]: Abstraction has 3156 states and 4269 transitions. [2022-07-14 04:45:34,942 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) [2022-07-14 04:45:34,942 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 4269 transitions. [2022-07-14 04:45:34,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-14 04:45:34,943 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:45:34,943 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] [2022-07-14 04:45:34,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-14 04:45:35,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:45:35,159 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)] === [2022-07-14 04:45:35,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:45:35,160 INFO L85 PathProgramCache]: Analyzing trace with hash 237494877, now seen corresponding path program 1 times [2022-07-14 04:45:35,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:45:35,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977570115] [2022-07-14 04:45:35,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:45:35,161 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:45:35,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:45:35,163 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) [2022-07-14 04:45:35,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-14 04:45:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:45:36,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 1101 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:45:36,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:45:36,743 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:45:36,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:45:36,744 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:45:36,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977570115] [2022-07-14 04:45:36,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977570115] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:45:36,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:45:36,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:45:36,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90502823] [2022-07-14 04:45:36,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:45:36,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:45:36,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:45:36,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:45:36,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:45:36,746 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) [2022-07-14 04:45:36,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:45:36,911 INFO L93 Difference]: Finished difference Result 3156 states and 4269 transitions. [2022-07-14 04:45:36,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:45:36,912 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 [2022-07-14 04:45:36,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:45:36,928 INFO L225 Difference]: With dead ends: 3156 [2022-07-14 04:45:36,929 INFO L226 Difference]: Without dead ends: 3154 [2022-07-14 04:45:36,932 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 [2022-07-14 04:45:36,933 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 [2022-07-14 04:45:36,933 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] [2022-07-14 04:45:36,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3154 states. [2022-07-14 04:45:37,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3154 to 3154. [2022-07-14 04:45:37,123 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) [2022-07-14 04:45:37,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 3154 states and 4267 transitions. [2022-07-14 04:45:37,139 INFO L78 Accepts]: Start accepts. Automaton has 3154 states and 4267 transitions. Word has length 97 [2022-07-14 04:45:37,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:45:37,139 INFO L495 AbstractCegarLoop]: Abstraction has 3154 states and 4267 transitions. [2022-07-14 04:45:37,139 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) [2022-07-14 04:45:37,139 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 4267 transitions. [2022-07-14 04:45:37,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-14 04:45:37,142 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:45:37,142 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] [2022-07-14 04:45:37,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-14 04:45:37,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:45:37,361 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)] === [2022-07-14 04:45:37,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:45:37,361 INFO L85 PathProgramCache]: Analyzing trace with hash 254006595, now seen corresponding path program 1 times [2022-07-14 04:45:37,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:45:37,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606417997] [2022-07-14 04:45:37,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:45:37,363 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:45:37,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:45:37,364 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) [2022-07-14 04:45:37,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-14 04:45:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:45:38,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:45:38,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:45:39,082 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:45:39,082 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:45:39,083 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:45:39,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [606417997] [2022-07-14 04:45:39,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [606417997] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:45:39,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:45:39,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:45:39,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394330100] [2022-07-14 04:45:39,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:45:39,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:45:39,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:45:39,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:45:39,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:45:39,084 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) [2022-07-14 04:45:39,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:45:39,248 INFO L93 Difference]: Finished difference Result 3154 states and 4267 transitions. [2022-07-14 04:45:39,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:45:39,249 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 [2022-07-14 04:45:39,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:45:39,265 INFO L225 Difference]: With dead ends: 3154 [2022-07-14 04:45:39,266 INFO L226 Difference]: Without dead ends: 3152 [2022-07-14 04:45:39,270 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 [2022-07-14 04:45:39,271 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 [2022-07-14 04:45:39,272 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] [2022-07-14 04:45:39,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3152 states. [2022-07-14 04:45:39,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3152 to 3152. [2022-07-14 04:45:39,465 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) [2022-07-14 04:45:39,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 3152 states and 4265 transitions. [2022-07-14 04:45:39,481 INFO L78 Accepts]: Start accepts. Automaton has 3152 states and 4265 transitions. Word has length 103 [2022-07-14 04:45:39,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:45:39,482 INFO L495 AbstractCegarLoop]: Abstraction has 3152 states and 4265 transitions. [2022-07-14 04:45:39,482 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) [2022-07-14 04:45:39,482 INFO L276 IsEmpty]: Start isEmpty. Operand 3152 states and 4265 transitions. [2022-07-14 04:45:39,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-07-14 04:45:39,484 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:45:39,484 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] [2022-07-14 04:45:39,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-14 04:45:39,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:45:39,699 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)] === [2022-07-14 04:45:39,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:45:39,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1937295103, now seen corresponding path program 1 times [2022-07-14 04:45:39,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:45:39,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968998962] [2022-07-14 04:45:39,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:45:39,702 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:45:39,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:45:39,703 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) [2022-07-14 04:45:39,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-14 04:45:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:45:40,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 1119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:45:40,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:45:41,479 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:45:41,479 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:45:41,479 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:45:41,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [968998962] [2022-07-14 04:45:41,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [968998962] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:45:41,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:45:41,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:45:41,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950177731] [2022-07-14 04:45:41,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:45:41,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:45:41,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:45:41,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:45:41,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:45:41,481 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) [2022-07-14 04:45:41,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:45:41,629 INFO L93 Difference]: Finished difference Result 3152 states and 4265 transitions. [2022-07-14 04:45:41,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:45:41,630 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 [2022-07-14 04:45:41,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:45:41,647 INFO L225 Difference]: With dead ends: 3152 [2022-07-14 04:45:41,647 INFO L226 Difference]: Without dead ends: 3150 [2022-07-14 04:45:41,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:45:41,652 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 [2022-07-14 04:45:41,652 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] [2022-07-14 04:45:41,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3150 states. [2022-07-14 04:45:41,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3150 to 3150. [2022-07-14 04:45:41,841 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) [2022-07-14 04:45:41,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 4263 transitions. [2022-07-14 04:45:41,856 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 4263 transitions. Word has length 109 [2022-07-14 04:45:41,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:45:41,857 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 4263 transitions. [2022-07-14 04:45:41,857 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) [2022-07-14 04:45:41,857 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 4263 transitions. [2022-07-14 04:45:41,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-14 04:45:41,859 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:45:41,859 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] [2022-07-14 04:45:41,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-07-14 04:45:42,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:45:42,078 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)] === [2022-07-14 04:45:42,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:45:42,079 INFO L85 PathProgramCache]: Analyzing trace with hash -682899368, now seen corresponding path program 1 times [2022-07-14 04:45:42,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:45:42,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [319403252] [2022-07-14 04:45:42,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:45:42,080 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:45:42,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:45:42,082 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) [2022-07-14 04:45:42,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-07-14 04:45:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:45:42,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 1128 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:45:42,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:45:43,840 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:45:43,840 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:45:43,840 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:45:43,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [319403252] [2022-07-14 04:45:43,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [319403252] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:45:43,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:45:43,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:45:43,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643364181] [2022-07-14 04:45:43,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:45:43,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:45:43,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:45:43,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:45:43,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:45:43,843 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) [2022-07-14 04:45:44,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:45:44,012 INFO L93 Difference]: Finished difference Result 3150 states and 4263 transitions. [2022-07-14 04:45:44,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:45:44,013 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 [2022-07-14 04:45:44,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:45:44,031 INFO L225 Difference]: With dead ends: 3150 [2022-07-14 04:45:44,032 INFO L226 Difference]: Without dead ends: 3148 [2022-07-14 04:45:44,037 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 [2022-07-14 04:45:44,038 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 [2022-07-14 04:45:44,038 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] [2022-07-14 04:45:44,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2022-07-14 04:45:44,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3148. [2022-07-14 04:45:44,247 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) [2022-07-14 04:45:44,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 4261 transitions. [2022-07-14 04:45:44,263 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 4261 transitions. Word has length 115 [2022-07-14 04:45:44,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:45:44,264 INFO L495 AbstractCegarLoop]: Abstraction has 3148 states and 4261 transitions. [2022-07-14 04:45:44,264 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) [2022-07-14 04:45:44,264 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 4261 transitions. [2022-07-14 04:45:44,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-14 04:45:44,266 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:45:44,266 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] [2022-07-14 04:45:44,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-07-14 04:45:44,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:45:44,479 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)] === [2022-07-14 04:45:44,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:45:44,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1128863081, now seen corresponding path program 1 times [2022-07-14 04:45:44,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:45:44,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [890423287] [2022-07-14 04:45:44,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:45:44,481 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:45:44,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:45:44,482 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) [2022-07-14 04:45:44,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-07-14 04:45:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:45:45,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-14 04:45:45,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:45:46,312 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-07-14 04:45:46,313 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:45:46,313 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:45:46,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [890423287] [2022-07-14 04:45:46,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [890423287] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:45:46,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:45:46,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-14 04:45:46,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589255139] [2022-07-14 04:45:46,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:45:46,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-14 04:45:46,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:45:46,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-14 04:45:46,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-07-14 04:45:46,316 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) [2022-07-14 04:45:49,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:45:49,577 INFO L93 Difference]: Finished difference Result 4751 states and 6387 transitions. [2022-07-14 04:45:49,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-14 04:45:49,578 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 [2022-07-14 04:45:49,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:45:49,596 INFO L225 Difference]: With dead ends: 4751 [2022-07-14 04:45:49,597 INFO L226 Difference]: Without dead ends: 3199 [2022-07-14 04:45:49,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2022-07-14 04:45:49,607 INFO L413 NwaCegarLoop]: 2279 mSDtfsCounter, 44 mSDsluCounter, 27058 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 29337 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:45:49,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 29337 Invalid, 717 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [170 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-14 04:45:49,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3199 states. [2022-07-14 04:45:49,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3199 to 3172. [2022-07-14 04:45:49,776 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) [2022-07-14 04:45:49,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 3172 states and 4293 transitions. [2022-07-14 04:45:49,791 INFO L78 Accepts]: Start accepts. Automaton has 3172 states and 4293 transitions. Word has length 141 [2022-07-14 04:45:49,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:45:49,791 INFO L495 AbstractCegarLoop]: Abstraction has 3172 states and 4293 transitions. [2022-07-14 04:45:49,791 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) [2022-07-14 04:45:49,792 INFO L276 IsEmpty]: Start isEmpty. Operand 3172 states and 4293 transitions. [2022-07-14 04:45:49,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-14 04:45:49,793 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:45:49,793 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] [2022-07-14 04:45:49,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-07-14 04:45:50,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:45:50,007 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)] === [2022-07-14 04:45:50,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:45:50,008 INFO L85 PathProgramCache]: Analyzing trace with hash -904530965, now seen corresponding path program 1 times [2022-07-14 04:45:50,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:45:50,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442062485] [2022-07-14 04:45:50,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:45:50,009 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:45:50,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:45:50,011 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) [2022-07-14 04:45:50,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-07-14 04:45:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:45:50,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 29 conjunts are in the unsatisfiable core [2022-07-14 04:45:51,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:45:52,117 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2022-07-14 04:45:52,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:45:52,118 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:45:52,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1442062485] [2022-07-14 04:45:52,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1442062485] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:45:52,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:45:52,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-14 04:45:52,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968961460] [2022-07-14 04:45:52,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:45:52,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-14 04:45:52,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:45:52,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-14 04:45:52,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-14 04:45:52,119 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) [2022-07-14 04:45:54,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:45:54,732 INFO L93 Difference]: Finished difference Result 4715 states and 6331 transitions. [2022-07-14 04:45:54,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 04:45:54,733 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 [2022-07-14 04:45:54,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:45:54,749 INFO L225 Difference]: With dead ends: 4715 [2022-07-14 04:45:54,750 INFO L226 Difference]: Without dead ends: 3205 [2022-07-14 04:45:54,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-07-14 04:45:54,760 INFO L413 NwaCegarLoop]: 2297 mSDtfsCounter, 215 mSDsluCounter, 22587 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 2.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:45:54,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 24884 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-14 04:45:54,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2022-07-14 04:45:54,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3172. [2022-07-14 04:45:54,936 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) [2022-07-14 04:45:54,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3172 states to 3172 states and 4291 transitions. [2022-07-14 04:45:54,952 INFO L78 Accepts]: Start accepts. Automaton has 3172 states and 4291 transitions. Word has length 141 [2022-07-14 04:45:54,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:45:54,953 INFO L495 AbstractCegarLoop]: Abstraction has 3172 states and 4291 transitions. [2022-07-14 04:45:54,953 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) [2022-07-14 04:45:54,953 INFO L276 IsEmpty]: Start isEmpty. Operand 3172 states and 4291 transitions. [2022-07-14 04:45:54,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-14 04:45:54,956 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:45:54,956 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] [2022-07-14 04:45:54,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-07-14 04:45:55,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:45:55,176 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)] === [2022-07-14 04:45:55,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:45:55,176 INFO L85 PathProgramCache]: Analyzing trace with hash 2001262074, now seen corresponding path program 1 times [2022-07-14 04:45:55,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:45:55,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [167373023] [2022-07-14 04:45:55,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:45:55,178 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:45:55,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:45:55,179 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) [2022-07-14 04:45:55,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-07-14 04:45:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:45:56,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 1137 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:45:56,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:45:57,201 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:45:57,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:45:57,201 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:45:57,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [167373023] [2022-07-14 04:45:57,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [167373023] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:45:57,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:45:57,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:45:57,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495993943] [2022-07-14 04:45:57,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:45:57,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:45:57,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:45:57,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:45:57,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:45:57,203 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) [2022-07-14 04:45:57,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:45:57,406 INFO L93 Difference]: Finished difference Result 3172 states and 4291 transitions. [2022-07-14 04:45:57,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:45:57,407 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 [2022-07-14 04:45:57,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:45:57,427 INFO L225 Difference]: With dead ends: 3172 [2022-07-14 04:45:57,428 INFO L226 Difference]: Without dead ends: 3170 [2022-07-14 04:45:57,431 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 [2022-07-14 04:45:57,432 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 [2022-07-14 04:45:57,432 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] [2022-07-14 04:45:57,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3170 states. [2022-07-14 04:45:57,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3170 to 3170. [2022-07-14 04:45:57,618 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) [2022-07-14 04:45:57,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 3170 states and 4289 transitions. [2022-07-14 04:45:57,665 INFO L78 Accepts]: Start accepts. Automaton has 3170 states and 4289 transitions. Word has length 121 [2022-07-14 04:45:57,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:45:57,669 INFO L495 AbstractCegarLoop]: Abstraction has 3170 states and 4289 transitions. [2022-07-14 04:45:57,669 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) [2022-07-14 04:45:57,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3170 states and 4289 transitions. [2022-07-14 04:45:57,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-14 04:45:57,671 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:45:57,671 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] [2022-07-14 04:45:57,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-07-14 04:45:57,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:45:57,891 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)] === [2022-07-14 04:45:57,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:45:57,892 INFO L85 PathProgramCache]: Analyzing trace with hash -932355171, now seen corresponding path program 1 times [2022-07-14 04:45:57,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:45:57,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1109729990] [2022-07-14 04:45:57,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:45:57,893 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:45:57,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:45:57,894 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) [2022-07-14 04:45:57,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-07-14 04:45:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:45:58,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 1140 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:45:58,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:45:59,568 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:45:59,568 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:45:59,568 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:45:59,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1109729990] [2022-07-14 04:45:59,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1109729990] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:45:59,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:45:59,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:45:59,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501376417] [2022-07-14 04:45:59,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:45:59,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:45:59,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:45:59,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:45:59,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:45:59,570 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) [2022-07-14 04:45:59,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:45:59,749 INFO L93 Difference]: Finished difference Result 3170 states and 4289 transitions. [2022-07-14 04:45:59,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:45:59,749 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 [2022-07-14 04:45:59,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:45:59,764 INFO L225 Difference]: With dead ends: 3170 [2022-07-14 04:45:59,765 INFO L226 Difference]: Without dead ends: 3168 [2022-07-14 04:45:59,767 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 [2022-07-14 04:45:59,768 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 [2022-07-14 04:45:59,769 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] [2022-07-14 04:45:59,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3168 states. [2022-07-14 04:45:59,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3168 to 3168. [2022-07-14 04:45:59,969 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) [2022-07-14 04:45:59,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 3168 states and 4287 transitions. [2022-07-14 04:45:59,986 INFO L78 Accepts]: Start accepts. Automaton has 3168 states and 4287 transitions. Word has length 123 [2022-07-14 04:45:59,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:45:59,986 INFO L495 AbstractCegarLoop]: Abstraction has 3168 states and 4287 transitions. [2022-07-14 04:45:59,987 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) [2022-07-14 04:45:59,987 INFO L276 IsEmpty]: Start isEmpty. Operand 3168 states and 4287 transitions. [2022-07-14 04:45:59,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-07-14 04:45:59,988 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:45:59,989 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] [2022-07-14 04:46:00,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-07-14 04:46:00,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:46:00,207 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)] === [2022-07-14 04:46:00,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:00,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1539177400, now seen corresponding path program 1 times [2022-07-14 04:46:00,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:46:00,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [980860192] [2022-07-14 04:46:00,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:00,210 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:46:00,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:46:00,212 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) [2022-07-14 04:46:00,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-07-14 04:46:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:01,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 04:46:01,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:46:02,580 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-07-14 04:46:02,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:46:02,581 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:46:02,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [980860192] [2022-07-14 04:46:02,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [980860192] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:02,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:02,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:46:02,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277924400] [2022-07-14 04:46:02,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:02,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:46:02,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:46:02,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:46:02,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:46:02,583 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) [2022-07-14 04:46:02,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:02,828 INFO L93 Difference]: Finished difference Result 4041 states and 5442 transitions. [2022-07-14 04:46:02,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:46:02,828 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 [2022-07-14 04:46:02,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:02,847 INFO L225 Difference]: With dead ends: 4041 [2022-07-14 04:46:02,847 INFO L226 Difference]: Without dead ends: 4039 [2022-07-14 04:46:02,852 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 [2022-07-14 04:46:02,852 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 [2022-07-14 04:46:02,853 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] [2022-07-14 04:46:02,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4039 states. [2022-07-14 04:46:03,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4039 to 4035. [2022-07-14 04:46:03,125 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) [2022-07-14 04:46:03,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4035 states to 4035 states and 5437 transitions. [2022-07-14 04:46:03,143 INFO L78 Accepts]: Start accepts. Automaton has 4035 states and 5437 transitions. Word has length 145 [2022-07-14 04:46:03,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:03,144 INFO L495 AbstractCegarLoop]: Abstraction has 4035 states and 5437 transitions. [2022-07-14 04:46:03,144 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) [2022-07-14 04:46:03,144 INFO L276 IsEmpty]: Start isEmpty. Operand 4035 states and 5437 transitions. [2022-07-14 04:46:03,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-14 04:46:03,147 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:03,147 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] [2022-07-14 04:46:03,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-07-14 04:46:03,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:46:03,367 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)] === [2022-07-14 04:46:03,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:03,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1853946059, now seen corresponding path program 1 times [2022-07-14 04:46:03,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:46:03,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1891853570] [2022-07-14 04:46:03,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:03,369 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:46:03,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:46:03,370 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) [2022-07-14 04:46:03,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-07-14 04:46:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:04,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 18 conjunts are in the unsatisfiable core [2022-07-14 04:46:04,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:46:04,824 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 101 proven. 3 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-07-14 04:46:04,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:46:05,722 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-14 04:46:05,723 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:46:05,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1891853570] [2022-07-14 04:46:05,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1891853570] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 04:46:05,723 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 04:46:05,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-07-14 04:46:05,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506625915] [2022-07-14 04:46:05,723 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 04:46:05,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 04:46:05,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:46:05,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 04:46:05,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-14 04:46:05,725 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) [2022-07-14 04:46:07,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:07,749 INFO L93 Difference]: Finished difference Result 8336 states and 11295 transitions. [2022-07-14 04:46:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 04:46:07,750 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 [2022-07-14 04:46:07,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:07,772 INFO L225 Difference]: With dead ends: 8336 [2022-07-14 04:46:07,772 INFO L226 Difference]: Without dead ends: 4332 [2022-07-14 04:46:07,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 283 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-07-14 04:46:07,788 INFO L413 NwaCegarLoop]: 2670 mSDtfsCounter, 523 mSDsluCounter, 17865 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:46:07,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 20535 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-14 04:46:07,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4332 states. [2022-07-14 04:46:08,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4332 to 4035. [2022-07-14 04:46:08,031 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) [2022-07-14 04:46:08,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4035 states to 4035 states and 5436 transitions. [2022-07-14 04:46:08,050 INFO L78 Accepts]: Start accepts. Automaton has 4035 states and 5436 transitions. Word has length 147 [2022-07-14 04:46:08,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:08,051 INFO L495 AbstractCegarLoop]: Abstraction has 4035 states and 5436 transitions. [2022-07-14 04:46:08,051 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) [2022-07-14 04:46:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 4035 states and 5436 transitions. [2022-07-14 04:46:08,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-14 04:46:08,052 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:08,053 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] [2022-07-14 04:46:08,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-07-14 04:46:08,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:46:08,271 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)] === [2022-07-14 04:46:08,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:08,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1949074983, now seen corresponding path program 1 times [2022-07-14 04:46:08,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:46:08,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [923302458] [2022-07-14 04:46:08,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:08,273 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:46:08,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:46:08,276 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) [2022-07-14 04:46:08,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-07-14 04:46:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:09,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 1149 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:46:09,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:46:10,211 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:46:10,211 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:46:10,211 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:46:10,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [923302458] [2022-07-14 04:46:10,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [923302458] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:10,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:10,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:46:10,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536648638] [2022-07-14 04:46:10,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:10,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:46:10,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:46:10,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:46:10,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:46:10,213 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) [2022-07-14 04:46:10,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:10,419 INFO L93 Difference]: Finished difference Result 4035 states and 5436 transitions. [2022-07-14 04:46:10,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:46:10,422 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 [2022-07-14 04:46:10,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:10,438 INFO L225 Difference]: With dead ends: 4035 [2022-07-14 04:46:10,438 INFO L226 Difference]: Without dead ends: 4033 [2022-07-14 04:46:10,442 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 [2022-07-14 04:46:10,443 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 [2022-07-14 04:46:10,443 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] [2022-07-14 04:46:10,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4033 states. [2022-07-14 04:46:10,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4033 to 4033. [2022-07-14 04:46:10,690 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) [2022-07-14 04:46:10,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4033 states to 4033 states and 5434 transitions. [2022-07-14 04:46:10,711 INFO L78 Accepts]: Start accepts. Automaton has 4033 states and 5434 transitions. Word has length 129 [2022-07-14 04:46:10,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:10,711 INFO L495 AbstractCegarLoop]: Abstraction has 4033 states and 5434 transitions. [2022-07-14 04:46:10,712 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) [2022-07-14 04:46:10,712 INFO L276 IsEmpty]: Start isEmpty. Operand 4033 states and 5434 transitions. [2022-07-14 04:46:10,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-07-14 04:46:10,713 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:10,714 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] [2022-07-14 04:46:10,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2022-07-14 04:46:10,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:46:10,927 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)] === [2022-07-14 04:46:10,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:10,928 INFO L85 PathProgramCache]: Analyzing trace with hash -836007048, now seen corresponding path program 1 times [2022-07-14 04:46:10,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:46:10,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [494339938] [2022-07-14 04:46:10,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:10,930 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:46:10,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:46:10,936 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) [2022-07-14 04:46:10,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-07-14 04:46:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:12,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 1342 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 04:46:12,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:46:13,005 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-07-14 04:46:13,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:46:13,005 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:46:13,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [494339938] [2022-07-14 04:46:13,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [494339938] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:13,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:13,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:46:13,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128516727] [2022-07-14 04:46:13,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:13,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:46:13,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:46:13,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:46:13,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:46:13,007 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) [2022-07-14 04:46:13,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:13,583 INFO L93 Difference]: Finished difference Result 10412 states and 14137 transitions. [2022-07-14 04:46:13,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:46:13,584 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 [2022-07-14 04:46:13,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:13,608 INFO L225 Difference]: With dead ends: 10412 [2022-07-14 04:46:13,609 INFO L226 Difference]: Without dead ends: 6414 [2022-07-14 04:46:13,625 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 [2022-07-14 04:46:13,626 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, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:46:13,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1891 Valid, 8331 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 04:46:13,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6414 states. [2022-07-14 04:46:13,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6414 to 5149. [2022-07-14 04:46:13,975 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) [2022-07-14 04:46:13,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5149 states to 5149 states and 6921 transitions. [2022-07-14 04:46:14,000 INFO L78 Accepts]: Start accepts. Automaton has 5149 states and 6921 transitions. Word has length 151 [2022-07-14 04:46:14,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:14,001 INFO L495 AbstractCegarLoop]: Abstraction has 5149 states and 6921 transitions. [2022-07-14 04:46:14,001 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) [2022-07-14 04:46:14,001 INFO L276 IsEmpty]: Start isEmpty. Operand 5149 states and 6921 transitions. [2022-07-14 04:46:14,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-07-14 04:46:14,002 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:14,003 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] [2022-07-14 04:46:14,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2022-07-14 04:46:14,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:46:14,219 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)] === [2022-07-14 04:46:14,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:14,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1345480138, now seen corresponding path program 1 times [2022-07-14 04:46:14,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:46:14,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1969342926] [2022-07-14 04:46:14,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:14,221 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:46:14,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:46:14,223 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) [2022-07-14 04:46:14,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-07-14 04:46:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:15,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 1342 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:46:15,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:46:15,639 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-07-14 04:46:15,640 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:46:15,640 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:46:15,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1969342926] [2022-07-14 04:46:15,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1969342926] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:15,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:15,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:46:15,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353969015] [2022-07-14 04:46:15,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:15,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:46:15,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:46:15,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:46:15,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:46:15,642 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) [2022-07-14 04:46:16,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:16,121 INFO L93 Difference]: Finished difference Result 11256 states and 15073 transitions. [2022-07-14 04:46:16,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:46:16,121 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 [2022-07-14 04:46:16,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:16,195 INFO L225 Difference]: With dead ends: 11256 [2022-07-14 04:46:16,196 INFO L226 Difference]: Without dead ends: 7258 [2022-07-14 04:46:16,210 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 [2022-07-14 04:46:16,210 INFO L413 NwaCegarLoop]: 2698 mSDtfsCounter, 2228 mSDsluCounter, 1218 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-07-14 04:46:16,211 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] [2022-07-14 04:46:16,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7258 states. [2022-07-14 04:46:16,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7258 to 7248. [2022-07-14 04:46:16,736 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) [2022-07-14 04:46:16,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7248 states to 7248 states and 9672 transitions. [2022-07-14 04:46:16,768 INFO L78 Accepts]: Start accepts. Automaton has 7248 states and 9672 transitions. Word has length 151 [2022-07-14 04:46:16,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:16,769 INFO L495 AbstractCegarLoop]: Abstraction has 7248 states and 9672 transitions. [2022-07-14 04:46:16,769 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) [2022-07-14 04:46:16,769 INFO L276 IsEmpty]: Start isEmpty. Operand 7248 states and 9672 transitions. [2022-07-14 04:46:16,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-07-14 04:46:16,771 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:16,771 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] [2022-07-14 04:46:16,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2022-07-14 04:46:16,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:46:16,972 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)] === [2022-07-14 04:46:16,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:16,972 INFO L85 PathProgramCache]: Analyzing trace with hash -2102730393, now seen corresponding path program 1 times [2022-07-14 04:46:16,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:46:16,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [820319371] [2022-07-14 04:46:16,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:16,974 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:46:16,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:46:16,977 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) [2022-07-14 04:46:16,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-07-14 04:46:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:17,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:46:17,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:46:18,846 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:46:18,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:46:18,846 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:46:18,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [820319371] [2022-07-14 04:46:18,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [820319371] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:18,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:18,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:46:18,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797771057] [2022-07-14 04:46:18,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:18,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:46:18,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:46:18,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:46:18,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:46:18,848 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) [2022-07-14 04:46:19,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:19,196 INFO L93 Difference]: Finished difference Result 7248 states and 9672 transitions. [2022-07-14 04:46:19,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:46:19,197 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 [2022-07-14 04:46:19,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:19,258 INFO L225 Difference]: With dead ends: 7248 [2022-07-14 04:46:19,258 INFO L226 Difference]: Without dead ends: 7246 [2022-07-14 04:46:19,262 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 [2022-07-14 04:46:19,263 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 [2022-07-14 04:46:19,263 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] [2022-07-14 04:46:19,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7246 states. [2022-07-14 04:46:19,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7246 to 7246. [2022-07-14 04:46:19,727 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) [2022-07-14 04:46:19,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7246 states to 7246 states and 9670 transitions. [2022-07-14 04:46:19,758 INFO L78 Accepts]: Start accepts. Automaton has 7246 states and 9670 transitions. Word has length 135 [2022-07-14 04:46:19,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:19,759 INFO L495 AbstractCegarLoop]: Abstraction has 7246 states and 9670 transitions. [2022-07-14 04:46:19,760 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) [2022-07-14 04:46:19,760 INFO L276 IsEmpty]: Start isEmpty. Operand 7246 states and 9670 transitions. [2022-07-14 04:46:19,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-07-14 04:46:19,762 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:19,762 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] [2022-07-14 04:46:19,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (26)] Ended with exit code 0 [2022-07-14 04:46:19,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:46:19,975 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)] === [2022-07-14 04:46:19,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:19,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1997710427, now seen corresponding path program 1 times [2022-07-14 04:46:19,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:46:19,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [986652913] [2022-07-14 04:46:19,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:19,977 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:46:19,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:46:19,978 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) [2022-07-14 04:46:19,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-07-14 04:46:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:21,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 1351 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:46:21,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:46:21,561 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-07-14 04:46:21,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:46:21,561 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:46:21,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [986652913] [2022-07-14 04:46:21,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [986652913] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:21,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:21,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:46:21,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464185738] [2022-07-14 04:46:21,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:21,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:46:21,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:46:21,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:46:21,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:46:21,562 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) [2022-07-14 04:46:22,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:22,043 INFO L93 Difference]: Finished difference Result 13335 states and 17802 transitions. [2022-07-14 04:46:22,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:46:22,044 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 [2022-07-14 04:46:22,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:22,073 INFO L225 Difference]: With dead ends: 13335 [2022-07-14 04:46:22,073 INFO L226 Difference]: Without dead ends: 7240 [2022-07-14 04:46:22,096 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 [2022-07-14 04:46:22,097 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 [2022-07-14 04:46:22,097 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] [2022-07-14 04:46:22,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7240 states. [2022-07-14 04:46:22,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7240 to 7240. [2022-07-14 04:46:22,542 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) [2022-07-14 04:46:22,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7240 states to 7240 states and 9661 transitions. [2022-07-14 04:46:22,566 INFO L78 Accepts]: Start accepts. Automaton has 7240 states and 9661 transitions. Word has length 157 [2022-07-14 04:46:22,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:22,567 INFO L495 AbstractCegarLoop]: Abstraction has 7240 states and 9661 transitions. [2022-07-14 04:46:22,567 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) [2022-07-14 04:46:22,568 INFO L276 IsEmpty]: Start isEmpty. Operand 7240 states and 9661 transitions. [2022-07-14 04:46:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-14 04:46:22,569 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:22,569 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] [2022-07-14 04:46:22,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2022-07-14 04:46:22,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:46:22,773 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)] === [2022-07-14 04:46:22,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:22,773 INFO L85 PathProgramCache]: Analyzing trace with hash 880426355, now seen corresponding path program 1 times [2022-07-14 04:46:22,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:46:22,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065125157] [2022-07-14 04:46:22,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:22,775 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:46:22,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:46:22,776 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) [2022-07-14 04:46:22,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-07-14 04:46:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:23,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 1167 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-14 04:46:23,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:46:24,419 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-14 04:46:24,419 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:46:24,419 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:46:24,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1065125157] [2022-07-14 04:46:24,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1065125157] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:24,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:24,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-14 04:46:24,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655422949] [2022-07-14 04:46:24,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:24,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-14 04:46:24,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:46:24,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-14 04:46:24,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-07-14 04:46:24,422 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) [2022-07-14 04:46:27,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:27,606 INFO L93 Difference]: Finished difference Result 7389 states and 9812 transitions. [2022-07-14 04:46:27,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-14 04:46:27,607 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 [2022-07-14 04:46:27,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:27,634 INFO L225 Difference]: With dead ends: 7389 [2022-07-14 04:46:27,635 INFO L226 Difference]: Without dead ends: 7246 [2022-07-14 04:46:27,640 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 [2022-07-14 04:46:27,641 INFO L413 NwaCegarLoop]: 2241 mSDtfsCounter, 1528 mSDsluCounter, 24743 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 555 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:46:27,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1528 Valid, 26984 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [555 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-14 04:46:27,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7246 states. [2022-07-14 04:46:28,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7246 to 7240. [2022-07-14 04:46:28,048 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) [2022-07-14 04:46:28,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7240 states to 7240 states and 9658 transitions. [2022-07-14 04:46:28,073 INFO L78 Accepts]: Start accepts. Automaton has 7240 states and 9658 transitions. Word has length 141 [2022-07-14 04:46:28,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:28,073 INFO L495 AbstractCegarLoop]: Abstraction has 7240 states and 9658 transitions. [2022-07-14 04:46:28,073 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) [2022-07-14 04:46:28,073 INFO L276 IsEmpty]: Start isEmpty. Operand 7240 states and 9658 transitions. [2022-07-14 04:46:28,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-14 04:46:28,075 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:28,075 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] [2022-07-14 04:46:28,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2022-07-14 04:46:28,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:46:28,278 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)] === [2022-07-14 04:46:28,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:28,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1381146895, now seen corresponding path program 1 times [2022-07-14 04:46:28,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:46:28,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19975715] [2022-07-14 04:46:28,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:28,280 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:46:28,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:46:28,281 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) [2022-07-14 04:46:28,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-07-14 04:46:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:29,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 1167 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:46:29,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:46:30,115 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:46:30,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:46:30,116 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:46:30,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [19975715] [2022-07-14 04:46:30,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [19975715] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:30,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:30,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:46:30,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931020346] [2022-07-14 04:46:30,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:30,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:46:30,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:46:30,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:46:30,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:46:30,118 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) [2022-07-14 04:46:30,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:30,495 INFO L93 Difference]: Finished difference Result 7240 states and 9658 transitions. [2022-07-14 04:46:30,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:46:30,495 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 [2022-07-14 04:46:30,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:30,518 INFO L225 Difference]: With dead ends: 7240 [2022-07-14 04:46:30,519 INFO L226 Difference]: Without dead ends: 7238 [2022-07-14 04:46:30,524 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 [2022-07-14 04:46:30,524 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 [2022-07-14 04:46:30,525 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] [2022-07-14 04:46:30,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7238 states. [2022-07-14 04:46:30,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7238 to 7238. [2022-07-14 04:46:30,965 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) [2022-07-14 04:46:30,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7238 states to 7238 states and 9656 transitions. [2022-07-14 04:46:30,993 INFO L78 Accepts]: Start accepts. Automaton has 7238 states and 9656 transitions. Word has length 141 [2022-07-14 04:46:30,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:30,993 INFO L495 AbstractCegarLoop]: Abstraction has 7238 states and 9656 transitions. [2022-07-14 04:46:30,994 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) [2022-07-14 04:46:30,994 INFO L276 IsEmpty]: Start isEmpty. Operand 7238 states and 9656 transitions. [2022-07-14 04:46:30,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-14 04:46:30,995 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:30,996 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] [2022-07-14 04:46:31,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2022-07-14 04:46:31,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:46:31,211 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)] === [2022-07-14 04:46:31,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:31,212 INFO L85 PathProgramCache]: Analyzing trace with hash -578482679, now seen corresponding path program 1 times [2022-07-14 04:46:31,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:46:31,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [918755774] [2022-07-14 04:46:31,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:31,214 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:46:31,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:46:31,215 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) [2022-07-14 04:46:31,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2022-07-14 04:46:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:32,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 1176 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:46:32,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:46:33,182 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:46:33,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:46:33,183 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:46:33,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [918755774] [2022-07-14 04:46:33,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [918755774] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:33,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:33,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:46:33,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876922340] [2022-07-14 04:46:33,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:33,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:46:33,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:46:33,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:46:33,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:46:33,184 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) [2022-07-14 04:46:33,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:33,534 INFO L93 Difference]: Finished difference Result 7238 states and 9656 transitions. [2022-07-14 04:46:33,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:46:33,535 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 [2022-07-14 04:46:33,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:33,558 INFO L225 Difference]: With dead ends: 7238 [2022-07-14 04:46:33,558 INFO L226 Difference]: Without dead ends: 7236 [2022-07-14 04:46:33,563 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 [2022-07-14 04:46:33,564 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 [2022-07-14 04:46:33,564 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] [2022-07-14 04:46:33,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7236 states. [2022-07-14 04:46:34,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7236 to 7236. [2022-07-14 04:46:34,033 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) [2022-07-14 04:46:34,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7236 states to 7236 states and 9654 transitions. [2022-07-14 04:46:34,057 INFO L78 Accepts]: Start accepts. Automaton has 7236 states and 9654 transitions. Word has length 147 [2022-07-14 04:46:34,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:34,057 INFO L495 AbstractCegarLoop]: Abstraction has 7236 states and 9654 transitions. [2022-07-14 04:46:34,057 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) [2022-07-14 04:46:34,058 INFO L276 IsEmpty]: Start isEmpty. Operand 7236 states and 9654 transitions. [2022-07-14 04:46:34,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-07-14 04:46:34,059 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:34,060 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] [2022-07-14 04:46:34,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (30)] Ended with exit code 0 [2022-07-14 04:46:34,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:46:34,270 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)] === [2022-07-14 04:46:34,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:34,270 INFO L85 PathProgramCache]: Analyzing trace with hash -190769678, now seen corresponding path program 1 times [2022-07-14 04:46:34,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:46:34,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1240423511] [2022-07-14 04:46:34,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:34,272 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:46:34,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:46:34,273 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) [2022-07-14 04:46:34,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-07-14 04:46:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:35,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:46:35,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:46:36,145 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:46:36,146 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:46:36,146 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:46:36,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1240423511] [2022-07-14 04:46:36,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1240423511] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:36,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:36,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:46:36,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458853238] [2022-07-14 04:46:36,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:36,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:46:36,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:46:36,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:46:36,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:46:36,147 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) [2022-07-14 04:46:36,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:36,723 INFO L93 Difference]: Finished difference Result 7236 states and 9654 transitions. [2022-07-14 04:46:36,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:46:36,724 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 [2022-07-14 04:46:36,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:36,751 INFO L225 Difference]: With dead ends: 7236 [2022-07-14 04:46:36,751 INFO L226 Difference]: Without dead ends: 7234 [2022-07-14 04:46:36,756 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 [2022-07-14 04:46:36,757 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 [2022-07-14 04:46:36,757 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] [2022-07-14 04:46:36,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7234 states. [2022-07-14 04:46:37,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7234 to 7234. [2022-07-14 04:46:37,151 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) [2022-07-14 04:46:37,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7234 states to 7234 states and 9652 transitions. [2022-07-14 04:46:37,177 INFO L78 Accepts]: Start accepts. Automaton has 7234 states and 9652 transitions. Word has length 153 [2022-07-14 04:46:37,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:37,178 INFO L495 AbstractCegarLoop]: Abstraction has 7234 states and 9652 transitions. [2022-07-14 04:46:37,178 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) [2022-07-14 04:46:37,178 INFO L276 IsEmpty]: Start isEmpty. Operand 7234 states and 9652 transitions. [2022-07-14 04:46:37,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-07-14 04:46:37,180 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:37,180 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] [2022-07-14 04:46:37,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2022-07-14 04:46:37,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:46:37,381 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)] === [2022-07-14 04:46:37,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:37,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1726635199, now seen corresponding path program 1 times [2022-07-14 04:46:37,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:46:37,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1255856058] [2022-07-14 04:46:37,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:37,383 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:46:37,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:46:37,384 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) [2022-07-14 04:46:37,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2022-07-14 04:46:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:38,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 1194 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:46:38,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:46:39,334 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:46:39,334 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:46:39,334 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:46:39,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1255856058] [2022-07-14 04:46:39,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1255856058] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:39,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:39,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:46:39,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308309993] [2022-07-14 04:46:39,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:39,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:46:39,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:46:39,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:46:39,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:46:39,337 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) [2022-07-14 04:46:39,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:39,716 INFO L93 Difference]: Finished difference Result 7234 states and 9652 transitions. [2022-07-14 04:46:39,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:46:39,716 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 [2022-07-14 04:46:39,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:39,739 INFO L225 Difference]: With dead ends: 7234 [2022-07-14 04:46:39,740 INFO L226 Difference]: Without dead ends: 7232 [2022-07-14 04:46:39,745 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 [2022-07-14 04:46:39,745 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 [2022-07-14 04:46:39,745 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] [2022-07-14 04:46:39,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7232 states. [2022-07-14 04:46:40,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7232 to 7232. [2022-07-14 04:46:40,188 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) [2022-07-14 04:46:40,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7232 states to 7232 states and 9650 transitions. [2022-07-14 04:46:40,211 INFO L78 Accepts]: Start accepts. Automaton has 7232 states and 9650 transitions. Word has length 159 [2022-07-14 04:46:40,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:40,212 INFO L495 AbstractCegarLoop]: Abstraction has 7232 states and 9650 transitions. [2022-07-14 04:46:40,212 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) [2022-07-14 04:46:40,212 INFO L276 IsEmpty]: Start isEmpty. Operand 7232 states and 9650 transitions. [2022-07-14 04:46:40,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-14 04:46:40,214 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:40,215 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] [2022-07-14 04:46:40,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (32)] Ended with exit code 0 [2022-07-14 04:46:40,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:46:40,417 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)] === [2022-07-14 04:46:40,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:40,417 INFO L85 PathProgramCache]: Analyzing trace with hash -2032672784, now seen corresponding path program 1 times [2022-07-14 04:46:40,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:46:40,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [331121678] [2022-07-14 04:46:40,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:40,419 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:46:40,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:46:40,421 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) [2022-07-14 04:46:40,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2022-07-14 04:46:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:41,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:46:41,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:46:42,553 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:46:42,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:46:42,554 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:46:42,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [331121678] [2022-07-14 04:46:42,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [331121678] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:42,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:42,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:46:42,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700883033] [2022-07-14 04:46:42,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:42,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:46:42,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:46:42,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:46:42,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:46:42,555 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) [2022-07-14 04:46:43,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:43,013 INFO L93 Difference]: Finished difference Result 7232 states and 9650 transitions. [2022-07-14 04:46:43,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:46:43,013 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 [2022-07-14 04:46:43,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:43,033 INFO L225 Difference]: With dead ends: 7232 [2022-07-14 04:46:43,033 INFO L226 Difference]: Without dead ends: 7230 [2022-07-14 04:46:43,037 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 [2022-07-14 04:46:43,037 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 [2022-07-14 04:46:43,038 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] [2022-07-14 04:46:43,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7230 states. [2022-07-14 04:46:43,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7230 to 7230. [2022-07-14 04:46:43,485 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) [2022-07-14 04:46:43,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7230 states to 7230 states and 9648 transitions. [2022-07-14 04:46:43,509 INFO L78 Accepts]: Start accepts. Automaton has 7230 states and 9648 transitions. Word has length 165 [2022-07-14 04:46:43,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:43,509 INFO L495 AbstractCegarLoop]: Abstraction has 7230 states and 9648 transitions. [2022-07-14 04:46:43,509 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) [2022-07-14 04:46:43,509 INFO L276 IsEmpty]: Start isEmpty. Operand 7230 states and 9648 transitions. [2022-07-14 04:46:43,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-14 04:46:43,511 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:43,511 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] [2022-07-14 04:46:43,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2022-07-14 04:46:43,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:46:43,712 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)] === [2022-07-14 04:46:43,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:43,713 INFO L85 PathProgramCache]: Analyzing trace with hash 497495166, now seen corresponding path program 1 times [2022-07-14 04:46:43,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:46:43,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [328445208] [2022-07-14 04:46:43,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:43,714 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:46:43,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:46:43,715 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) [2022-07-14 04:46:43,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2022-07-14 04:46:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:44,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:46:44,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:46:45,771 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:46:45,771 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:46:45,771 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:46:45,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [328445208] [2022-07-14 04:46:45,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [328445208] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:45,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:45,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:46:45,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001989212] [2022-07-14 04:46:45,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:45,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:46:45,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:46:45,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:46:45,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:46:45,772 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) [2022-07-14 04:46:46,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:46,200 INFO L93 Difference]: Finished difference Result 7230 states and 9648 transitions. [2022-07-14 04:46:46,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:46:46,200 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 [2022-07-14 04:46:46,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:46,221 INFO L225 Difference]: With dead ends: 7230 [2022-07-14 04:46:46,222 INFO L226 Difference]: Without dead ends: 7228 [2022-07-14 04:46:46,226 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 [2022-07-14 04:46:46,227 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 [2022-07-14 04:46:46,227 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] [2022-07-14 04:46:46,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7228 states. [2022-07-14 04:46:46,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7228 to 7228. [2022-07-14 04:46:46,634 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) [2022-07-14 04:46:46,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7228 states to 7228 states and 9646 transitions. [2022-07-14 04:46:46,660 INFO L78 Accepts]: Start accepts. Automaton has 7228 states and 9646 transitions. Word has length 171 [2022-07-14 04:46:46,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:46,660 INFO L495 AbstractCegarLoop]: Abstraction has 7228 states and 9646 transitions. [2022-07-14 04:46:46,660 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) [2022-07-14 04:46:46,661 INFO L276 IsEmpty]: Start isEmpty. Operand 7228 states and 9646 transitions. [2022-07-14 04:46:46,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-07-14 04:46:46,663 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:46,663 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] [2022-07-14 04:46:46,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2022-07-14 04:46:46,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:46:46,869 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)] === [2022-07-14 04:46:46,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:46,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1894361284, now seen corresponding path program 1 times [2022-07-14 04:46:46,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:46:46,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [222228439] [2022-07-14 04:46:46,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:46,871 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:46:46,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:46:46,872 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) [2022-07-14 04:46:46,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2022-07-14 04:46:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:47,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 1221 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:46:47,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:46:48,993 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:46:48,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:46:48,994 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:46:48,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [222228439] [2022-07-14 04:46:48,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [222228439] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:48,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:48,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:46:48,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458779619] [2022-07-14 04:46:48,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:48,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:46:48,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:46:48,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:46:48,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:46:48,995 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) [2022-07-14 04:46:49,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:49,426 INFO L93 Difference]: Finished difference Result 7228 states and 9646 transitions. [2022-07-14 04:46:49,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:46:49,427 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 [2022-07-14 04:46:49,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:49,447 INFO L225 Difference]: With dead ends: 7228 [2022-07-14 04:46:49,447 INFO L226 Difference]: Without dead ends: 7226 [2022-07-14 04:46:49,451 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 [2022-07-14 04:46:49,452 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 [2022-07-14 04:46:49,452 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] [2022-07-14 04:46:49,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7226 states. [2022-07-14 04:46:49,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7226 to 7226. [2022-07-14 04:46:49,912 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) [2022-07-14 04:46:49,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7226 states to 7226 states and 9644 transitions. [2022-07-14 04:46:49,934 INFO L78 Accepts]: Start accepts. Automaton has 7226 states and 9644 transitions. Word has length 177 [2022-07-14 04:46:49,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:49,934 INFO L495 AbstractCegarLoop]: Abstraction has 7226 states and 9644 transitions. [2022-07-14 04:46:49,935 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) [2022-07-14 04:46:49,935 INFO L276 IsEmpty]: Start isEmpty. Operand 7226 states and 9644 transitions. [2022-07-14 04:46:49,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-07-14 04:46:49,937 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:49,937 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] [2022-07-14 04:46:49,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (35)] Ended with exit code 0 [2022-07-14 04:46:50,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:46:50,146 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)] === [2022-07-14 04:46:50,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:50,146 INFO L85 PathProgramCache]: Analyzing trace with hash 502070306, now seen corresponding path program 1 times [2022-07-14 04:46:50,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:46:50,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1919105306] [2022-07-14 04:46:50,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:50,147 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:46:50,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:46:50,148 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) [2022-07-14 04:46:50,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2022-07-14 04:46:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:51,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:46:51,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:46:52,228 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:46:52,228 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:46:52,228 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:46:52,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1919105306] [2022-07-14 04:46:52,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1919105306] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:52,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:52,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:46:52,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980516130] [2022-07-14 04:46:52,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:52,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:46:52,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:46:52,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:46:52,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:46:52,230 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) [2022-07-14 04:46:52,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:52,655 INFO L93 Difference]: Finished difference Result 7226 states and 9644 transitions. [2022-07-14 04:46:52,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:46:52,656 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 [2022-07-14 04:46:52,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:52,693 INFO L225 Difference]: With dead ends: 7226 [2022-07-14 04:46:52,694 INFO L226 Difference]: Without dead ends: 7224 [2022-07-14 04:46:52,700 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 [2022-07-14 04:46:52,700 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 [2022-07-14 04:46:52,700 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] [2022-07-14 04:46:52,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7224 states. [2022-07-14 04:46:53,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7224 to 7224. [2022-07-14 04:46:53,199 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) [2022-07-14 04:46:53,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7224 states to 7224 states and 9642 transitions. [2022-07-14 04:46:53,226 INFO L78 Accepts]: Start accepts. Automaton has 7224 states and 9642 transitions. Word has length 183 [2022-07-14 04:46:53,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:53,226 INFO L495 AbstractCegarLoop]: Abstraction has 7224 states and 9642 transitions. [2022-07-14 04:46:53,226 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) [2022-07-14 04:46:53,227 INFO L276 IsEmpty]: Start isEmpty. Operand 7224 states and 9642 transitions. [2022-07-14 04:46:53,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-14 04:46:53,230 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:53,230 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] [2022-07-14 04:46:53,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2022-07-14 04:46:53,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:46:53,448 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)] === [2022-07-14 04:46:53,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:53,448 INFO L85 PathProgramCache]: Analyzing trace with hash 426259915, now seen corresponding path program 1 times [2022-07-14 04:46:53,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:46:53,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1472336797] [2022-07-14 04:46:53,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:53,450 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:46:53,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:46:53,451 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) [2022-07-14 04:46:53,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2022-07-14 04:46:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:54,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 1507 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 04:46:54,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:46:55,250 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-07-14 04:46:55,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:46:55,250 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:46:55,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1472336797] [2022-07-14 04:46:55,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1472336797] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:55,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:55,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:46:55,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478594137] [2022-07-14 04:46:55,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:55,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:46:55,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:46:55,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:46:55,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:46:55,252 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) [2022-07-14 04:46:55,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:55,953 INFO L93 Difference]: Finished difference Result 7228 states and 9644 transitions. [2022-07-14 04:46:55,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:46:55,954 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 [2022-07-14 04:46:55,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:55,982 INFO L225 Difference]: With dead ends: 7228 [2022-07-14 04:46:55,982 INFO L226 Difference]: Without dead ends: 7226 [2022-07-14 04:46:55,989 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 [2022-07-14 04:46:55,989 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 [2022-07-14 04:46:55,990 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] [2022-07-14 04:46:55,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7226 states. [2022-07-14 04:46:56,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7226 to 7222. [2022-07-14 04:46:56,460 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) [2022-07-14 04:46:56,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7222 states to 7222 states and 9635 transitions. [2022-07-14 04:46:56,485 INFO L78 Accepts]: Start accepts. Automaton has 7222 states and 9635 transitions. Word has length 224 [2022-07-14 04:46:56,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:56,486 INFO L495 AbstractCegarLoop]: Abstraction has 7222 states and 9635 transitions. [2022-07-14 04:46:56,486 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) [2022-07-14 04:46:56,486 INFO L276 IsEmpty]: Start isEmpty. Operand 7222 states and 9635 transitions. [2022-07-14 04:46:56,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-07-14 04:46:56,489 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:56,490 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] [2022-07-14 04:46:56,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2022-07-14 04:46:56,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:46:56,712 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)] === [2022-07-14 04:46:56,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:46:56,712 INFO L85 PathProgramCache]: Analyzing trace with hash 621454319, now seen corresponding path program 1 times [2022-07-14 04:46:56,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:46:56,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1452988332] [2022-07-14 04:46:56,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:46:56,713 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:46:56,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:46:56,714 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) [2022-07-14 04:46:56,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2022-07-14 04:46:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:46:57,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 1239 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:46:57,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:46:58,949 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:46:58,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:46:58,949 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:46:58,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1452988332] [2022-07-14 04:46:58,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1452988332] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:46:58,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:46:58,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:46:58,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339970975] [2022-07-14 04:46:58,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:46:58,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:46:58,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:46:58,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:46:58,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:46:58,951 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) [2022-07-14 04:46:59,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:46:59,410 INFO L93 Difference]: Finished difference Result 7222 states and 9635 transitions. [2022-07-14 04:46:59,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:46:59,410 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 [2022-07-14 04:46:59,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:46:59,430 INFO L225 Difference]: With dead ends: 7222 [2022-07-14 04:46:59,430 INFO L226 Difference]: Without dead ends: 7220 [2022-07-14 04:46:59,434 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 [2022-07-14 04:46:59,435 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 [2022-07-14 04:46:59,435 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] [2022-07-14 04:46:59,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7220 states. [2022-07-14 04:46:59,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7220 to 7220. [2022-07-14 04:46:59,875 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) [2022-07-14 04:46:59,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7220 states to 7220 states and 9633 transitions. [2022-07-14 04:46:59,898 INFO L78 Accepts]: Start accepts. Automaton has 7220 states and 9633 transitions. Word has length 189 [2022-07-14 04:46:59,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:46:59,899 INFO L495 AbstractCegarLoop]: Abstraction has 7220 states and 9633 transitions. [2022-07-14 04:46:59,899 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) [2022-07-14 04:46:59,899 INFO L276 IsEmpty]: Start isEmpty. Operand 7220 states and 9633 transitions. [2022-07-14 04:46:59,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-14 04:46:59,902 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:46:59,903 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] [2022-07-14 04:46:59,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2022-07-14 04:47:00,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:47:00,116 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)] === [2022-07-14 04:47:00,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:47:00,116 INFO L85 PathProgramCache]: Analyzing trace with hash 47365333, now seen corresponding path program 1 times [2022-07-14 04:47:00,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:47:00,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1465711292] [2022-07-14 04:47:00,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:47:00,117 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:47:00,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:47:00,118 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) [2022-07-14 04:47:00,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2022-07-14 04:47:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:01,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 1248 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:47:01,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:47:02,266 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 04:47:02,266 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:47:02,267 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:47:02,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1465711292] [2022-07-14 04:47:02,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1465711292] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:47:02,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:47:02,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:47:02,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632000902] [2022-07-14 04:47:02,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:47:02,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:47:02,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:47:02,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:47:02,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:47:02,269 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) [2022-07-14 04:47:02,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:47:02,728 INFO L93 Difference]: Finished difference Result 7220 states and 9633 transitions. [2022-07-14 04:47:02,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:47:02,729 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 [2022-07-14 04:47:02,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:47:02,757 INFO L225 Difference]: With dead ends: 7220 [2022-07-14 04:47:02,757 INFO L226 Difference]: Without dead ends: 6353 [2022-07-14 04:47:02,765 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 [2022-07-14 04:47:02,766 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 [2022-07-14 04:47:02,767 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] [2022-07-14 04:47:02,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6353 states. [2022-07-14 04:47:03,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6353 to 6353. [2022-07-14 04:47:03,243 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) [2022-07-14 04:47:03,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6353 states to 6353 states and 8444 transitions. [2022-07-14 04:47:03,264 INFO L78 Accepts]: Start accepts. Automaton has 6353 states and 8444 transitions. Word has length 195 [2022-07-14 04:47:03,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:47:03,264 INFO L495 AbstractCegarLoop]: Abstraction has 6353 states and 8444 transitions. [2022-07-14 04:47:03,264 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) [2022-07-14 04:47:03,264 INFO L276 IsEmpty]: Start isEmpty. Operand 6353 states and 8444 transitions. [2022-07-14 04:47:03,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-07-14 04:47:03,269 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:47:03,269 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] [2022-07-14 04:47:03,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2022-07-14 04:47:03,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:47:03,483 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)] === [2022-07-14 04:47:03,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:47:03,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1216514025, now seen corresponding path program 1 times [2022-07-14 04:47:03,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:47:03,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1146617927] [2022-07-14 04:47:03,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:47:03,486 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:47:03,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:47:03,487 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) [2022-07-14 04:47:03,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2022-07-14 04:47:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:04,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 1669 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-14 04:47:04,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:47:05,536 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-07-14 04:47:05,537 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:47:05,537 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:47:05,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1146617927] [2022-07-14 04:47:05,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1146617927] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:47:05,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:47:05,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-14 04:47:05,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975767082] [2022-07-14 04:47:05,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:47:05,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-14 04:47:05,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:47:05,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-14 04:47:05,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-07-14 04:47:05,538 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) [2022-07-14 04:47:09,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:47:09,666 INFO L93 Difference]: Finished difference Result 12874 states and 17253 transitions. [2022-07-14 04:47:09,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-14 04:47:09,668 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 [2022-07-14 04:47:09,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:47:09,699 INFO L225 Difference]: With dead ends: 12874 [2022-07-14 04:47:09,699 INFO L226 Difference]: Without dead ends: 7329 [2022-07-14 04:47:09,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600 [2022-07-14 04:47:09,725 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, 2.7s IncrementalHoareTripleChecker+Time [2022-07-14 04:47:09,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1526 Valid, 27412 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [603 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-14 04:47:09,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7329 states. [2022-07-14 04:47:10,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7329 to 6383. [2022-07-14 04:47:10,216 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) [2022-07-14 04:47:10,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6383 states to 6383 states and 8482 transitions. [2022-07-14 04:47:10,240 INFO L78 Accepts]: Start accepts. Automaton has 6383 states and 8482 transitions. Word has length 277 [2022-07-14 04:47:10,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:47:10,241 INFO L495 AbstractCegarLoop]: Abstraction has 6383 states and 8482 transitions. [2022-07-14 04:47:10,241 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) [2022-07-14 04:47:10,241 INFO L276 IsEmpty]: Start isEmpty. Operand 6383 states and 8482 transitions. [2022-07-14 04:47:10,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-07-14 04:47:10,246 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:47:10,246 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] [2022-07-14 04:47:10,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2022-07-14 04:47:10,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:47:10,460 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)] === [2022-07-14 04:47:10,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:47:10,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1708557327, now seen corresponding path program 1 times [2022-07-14 04:47:10,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:47:10,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1949139903] [2022-07-14 04:47:10,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:47:10,462 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:47:10,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:47:10,464 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) [2022-07-14 04:47:10,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2022-07-14 04:47:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:11,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 1731 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-14 04:47:11,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:47:12,025 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-07-14 04:47:12,025 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:47:12,025 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:47:12,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1949139903] [2022-07-14 04:47:12,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1949139903] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:47:12,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:47:12,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:47:12,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050205349] [2022-07-14 04:47:12,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:47:12,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:47:12,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:47:12,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:47:12,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:47:12,027 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) [2022-07-14 04:47:13,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:47:13,141 INFO L93 Difference]: Finished difference Result 12180 states and 16220 transitions. [2022-07-14 04:47:13,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:47:13,142 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 [2022-07-14 04:47:13,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:47:13,162 INFO L225 Difference]: With dead ends: 12180 [2022-07-14 04:47:13,162 INFO L226 Difference]: Without dead ends: 6607 [2022-07-14 04:47:13,178 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 [2022-07-14 04:47:13,179 INFO L413 NwaCegarLoop]: 1968 mSDtfsCounter, 240 mSDsluCounter, 5586 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 04:47:13,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 7554 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 04:47:13,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6607 states. [2022-07-14 04:47:13,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6607 to 6389. [2022-07-14 04:47:13,762 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) [2022-07-14 04:47:13,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6389 states to 6389 states and 8488 transitions. [2022-07-14 04:47:13,790 INFO L78 Accepts]: Start accepts. Automaton has 6389 states and 8488 transitions. Word has length 294 [2022-07-14 04:47:13,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:47:13,790 INFO L495 AbstractCegarLoop]: Abstraction has 6389 states and 8488 transitions. [2022-07-14 04:47:13,791 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) [2022-07-14 04:47:13,791 INFO L276 IsEmpty]: Start isEmpty. Operand 6389 states and 8488 transitions. [2022-07-14 04:47:13,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-07-14 04:47:13,795 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:47:13,795 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] [2022-07-14 04:47:13,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2022-07-14 04:47:14,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:47:14,012 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)] === [2022-07-14 04:47:14,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:47:14,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1403671883, now seen corresponding path program 1 times [2022-07-14 04:47:14,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:47:14,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826938773] [2022-07-14 04:47:14,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:47:14,014 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:47:14,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:47:14,015 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) [2022-07-14 04:47:14,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2022-07-14 04:47:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:15,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 1780 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-14 04:47:15,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:47:16,354 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2022-07-14 04:47:16,354 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:47:16,355 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:47:16,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1826938773] [2022-07-14 04:47:16,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1826938773] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:47:16,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:47:16,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-07-14 04:47:16,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855932770] [2022-07-14 04:47:16,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:47:16,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-14 04:47:16,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:47:16,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-14 04:47:16,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-07-14 04:47:16,356 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) [2022-07-14 04:47:20,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:47:20,968 INFO L93 Difference]: Finished difference Result 12992 states and 17399 transitions. [2022-07-14 04:47:20,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-14 04:47:20,972 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 [2022-07-14 04:47:20,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:47:21,007 INFO L225 Difference]: With dead ends: 12992 [2022-07-14 04:47:21,008 INFO L226 Difference]: Without dead ends: 7411 [2022-07-14 04:47:21,035 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 [2022-07-14 04:47:21,036 INFO L413 NwaCegarLoop]: 2298 mSDtfsCounter, 1611 mSDsluCounter, 27524 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 653 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 2.8s IncrementalHoareTripleChecker+Time [2022-07-14 04:47:21,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1611 Valid, 29822 Invalid, 1378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [653 Valid, 725 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-14 04:47:21,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7411 states. [2022-07-14 04:47:21,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7411 to 6401. [2022-07-14 04:47:21,568 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) [2022-07-14 04:47:21,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6401 states to 6401 states and 8504 transitions. [2022-07-14 04:47:21,592 INFO L78 Accepts]: Start accepts. Automaton has 6401 states and 8504 transitions. Word has length 315 [2022-07-14 04:47:21,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:47:21,593 INFO L495 AbstractCegarLoop]: Abstraction has 6401 states and 8504 transitions. [2022-07-14 04:47:21,593 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) [2022-07-14 04:47:21,593 INFO L276 IsEmpty]: Start isEmpty. Operand 6401 states and 8504 transitions. [2022-07-14 04:47:21,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-07-14 04:47:21,596 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:47:21,597 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] [2022-07-14 04:47:21,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2022-07-14 04:47:21,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:47:21,797 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)] === [2022-07-14 04:47:21,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:47:21,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1418739184, now seen corresponding path program 1 times [2022-07-14 04:47:21,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:47:21,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640085163] [2022-07-14 04:47:21,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:47:21,799 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:47:21,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:47:21,800 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) [2022-07-14 04:47:21,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2022-07-14 04:47:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:23,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 1785 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-14 04:47:23,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:47:23,946 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2022-07-14 04:47:23,946 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:47:23,946 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:47:23,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640085163] [2022-07-14 04:47:23,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [640085163] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:47:23,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:47:23,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-07-14 04:47:23,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021106664] [2022-07-14 04:47:23,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:47:23,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-14 04:47:23,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:47:23,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-14 04:47:23,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-07-14 04:47:23,948 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) [2022-07-14 04:47:30,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:47:30,673 INFO L93 Difference]: Finished difference Result 14259 states and 19229 transitions. [2022-07-14 04:47:30,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-07-14 04:47:30,674 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 [2022-07-14 04:47:30,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:47:30,715 INFO L225 Difference]: With dead ends: 14259 [2022-07-14 04:47:30,716 INFO L226 Difference]: Without dead ends: 8666 [2022-07-14 04:47:30,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=312, Invalid=1248, Unknown=0, NotChecked=0, Total=1560 [2022-07-14 04:47:30,744 INFO L413 NwaCegarLoop]: 2590 mSDtfsCounter, 1649 mSDsluCounter, 30463 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 924 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1748 SdHoareTripleChecker+Valid, 33053 SdHoareTripleChecker+Invalid, 1857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 924 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-14 04:47:30,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1748 Valid, 33053 Invalid, 1857 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [924 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-14 04:47:30,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8666 states. [2022-07-14 04:47:31,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8666 to 6399. [2022-07-14 04:47:31,356 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) [2022-07-14 04:47:31,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6399 states to 6399 states and 8502 transitions. [2022-07-14 04:47:31,378 INFO L78 Accepts]: Start accepts. Automaton has 6399 states and 8502 transitions. Word has length 317 [2022-07-14 04:47:31,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:47:31,378 INFO L495 AbstractCegarLoop]: Abstraction has 6399 states and 8502 transitions. [2022-07-14 04:47:31,378 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) [2022-07-14 04:47:31,378 INFO L276 IsEmpty]: Start isEmpty. Operand 6399 states and 8502 transitions. [2022-07-14 04:47:31,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-07-14 04:47:31,381 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:47:31,381 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] [2022-07-14 04:47:31,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (43)] Ended with exit code 0 [2022-07-14 04:47:31,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:47:31,582 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)] === [2022-07-14 04:47:31,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:47:31,582 INFO L85 PathProgramCache]: Analyzing trace with hash -932935093, now seen corresponding path program 1 times [2022-07-14 04:47:31,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:47:31,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [53774548] [2022-07-14 04:47:31,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:47:31,584 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:47:31,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:47:31,585 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) [2022-07-14 04:47:31,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2022-07-14 04:47:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:33,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 2068 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:47:33,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:47:33,404 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2022-07-14 04:47:33,405 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:47:33,405 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:47:33,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [53774548] [2022-07-14 04:47:33,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [53774548] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:47:33,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:47:33,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:47:33,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236941114] [2022-07-14 04:47:33,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:47:33,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:47:33,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:47:33,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:47:33,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:47:33,408 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) [2022-07-14 04:47:34,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:47:34,103 INFO L93 Difference]: Finished difference Result 11992 states and 15950 transitions. [2022-07-14 04:47:34,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:47:34,104 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 [2022-07-14 04:47:34,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:47:34,128 INFO L225 Difference]: With dead ends: 11992 [2022-07-14 04:47:34,129 INFO L226 Difference]: Without dead ends: 6403 [2022-07-14 04:47:34,150 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 [2022-07-14 04:47:34,153 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, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:47:34,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3657 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 04:47:34,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6403 states. [2022-07-14 04:47:34,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6403 to 6401. [2022-07-14 04:47:34,817 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) [2022-07-14 04:47:34,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6401 states to 6401 states and 8504 transitions. [2022-07-14 04:47:34,837 INFO L78 Accepts]: Start accepts. Automaton has 6401 states and 8504 transitions. Word has length 309 [2022-07-14 04:47:34,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:47:34,838 INFO L495 AbstractCegarLoop]: Abstraction has 6401 states and 8504 transitions. [2022-07-14 04:47:34,838 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) [2022-07-14 04:47:34,838 INFO L276 IsEmpty]: Start isEmpty. Operand 6401 states and 8504 transitions. [2022-07-14 04:47:34,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-07-14 04:47:34,841 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:47:34,841 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] [2022-07-14 04:47:34,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (44)] Forceful destruction successful, exit code 0 [2022-07-14 04:47:35,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:47:35,042 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)] === [2022-07-14 04:47:35,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:47:35,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1221754483, now seen corresponding path program 1 times [2022-07-14 04:47:35,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:47:35,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040862750] [2022-07-14 04:47:35,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:47:35,044 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:47:35,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:47:35,045 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) [2022-07-14 04:47:35,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2022-07-14 04:47:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:47:36,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 2068 conjuncts, 39 conjunts are in the unsatisfiable core [2022-07-14 04:47:36,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:47:39,351 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 130 proven. 30 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-07-14 04:47:39,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:47:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 22 proven. 42 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-07-14 04:47:45,802 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:47:45,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040862750] [2022-07-14 04:47:45,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2040862750] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 04:47:45,802 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 04:47:45,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 29 [2022-07-14 04:47:45,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938589349] [2022-07-14 04:47:45,803 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 04:47:45,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-07-14 04:47:45,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:47:45,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-07-14 04:47:45,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=734, Unknown=0, NotChecked=0, Total=812 [2022-07-14 04:47:45,805 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) [2022-07-14 04:47:57,442 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 [] [2022-07-14 04:48:01,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:48:01,175 INFO L93 Difference]: Finished difference Result 12346 states and 16459 transitions. [2022-07-14 04:48:01,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-14 04:48:01,177 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 [2022-07-14 04:48:01,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:48:01,197 INFO L225 Difference]: With dead ends: 12346 [2022-07-14 04:48:01,197 INFO L226 Difference]: Without dead ends: 6755 [2022-07-14 04:48:01,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 591 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=156, Invalid=1326, Unknown=0, NotChecked=0, Total=1482 [2022-07-14 04:48:01,211 INFO L413 NwaCegarLoop]: 2106 mSDtfsCounter, 547 mSDsluCounter, 36936 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 140 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s 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, 12.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:48:01,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 39042 Invalid, 1546 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [140 Valid, 1405 Invalid, 1 Unknown, 0 Unchecked, 12.1s Time] [2022-07-14 04:48:01,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6755 states. [2022-07-14 04:48:01,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6755 to 6500. [2022-07-14 04:48:01,711 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) [2022-07-14 04:48:01,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6500 states to 6500 states and 8646 transitions. [2022-07-14 04:48:01,734 INFO L78 Accepts]: Start accepts. Automaton has 6500 states and 8646 transitions. Word has length 309 [2022-07-14 04:48:01,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:48:01,735 INFO L495 AbstractCegarLoop]: Abstraction has 6500 states and 8646 transitions. [2022-07-14 04:48:01,735 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) [2022-07-14 04:48:01,735 INFO L276 IsEmpty]: Start isEmpty. Operand 6500 states and 8646 transitions. [2022-07-14 04:48:01,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-07-14 04:48:01,738 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:48:01,738 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] [2022-07-14 04:48:01,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2022-07-14 04:48:01,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:48:01,939 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)] === [2022-07-14 04:48:01,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:48:01,939 INFO L85 PathProgramCache]: Analyzing trace with hash -211150131, now seen corresponding path program 1 times [2022-07-14 04:48:01,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:48:01,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1870972568] [2022-07-14 04:48:01,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:48:01,941 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:48:01,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:48:01,942 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) [2022-07-14 04:48:01,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2022-07-14 04:48:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:48:03,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 2064 conjuncts, 19 conjunts are in the unsatisfiable core [2022-07-14 04:48:03,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:48:04,142 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-07-14 04:48:04,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:48:04,143 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:48:04,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1870972568] [2022-07-14 04:48:04,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1870972568] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:48:04,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:48:04,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:48:04,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367752449] [2022-07-14 04:48:04,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:48:04,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:48:04,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:48:04,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:48:04,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:48:04,144 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) [2022-07-14 04:48:04,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:48:04,917 INFO L93 Difference]: Finished difference Result 12205 states and 16253 transitions. [2022-07-14 04:48:04,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:48:04,918 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 [2022-07-14 04:48:04,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:48:04,941 INFO L225 Difference]: With dead ends: 12205 [2022-07-14 04:48:04,942 INFO L226 Difference]: Without dead ends: 6515 [2022-07-14 04:48:04,958 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 [2022-07-14 04:48:04,958 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 [2022-07-14 04:48:04,958 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] [2022-07-14 04:48:04,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6515 states. [2022-07-14 04:48:05,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6515 to 6515. [2022-07-14 04:48:05,582 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) [2022-07-14 04:48:05,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6515 states to 6515 states and 8666 transitions. [2022-07-14 04:48:05,603 INFO L78 Accepts]: Start accepts. Automaton has 6515 states and 8666 transitions. Word has length 309 [2022-07-14 04:48:05,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:48:05,604 INFO L495 AbstractCegarLoop]: Abstraction has 6515 states and 8666 transitions. [2022-07-14 04:48:05,604 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) [2022-07-14 04:48:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 6515 states and 8666 transitions. [2022-07-14 04:48:05,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-07-14 04:48:05,606 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:48:05,607 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] [2022-07-14 04:48:05,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (46)] Forceful destruction successful, exit code 0 [2022-07-14 04:48:05,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:48:05,807 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)] === [2022-07-14 04:48:05,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:48:05,808 INFO L85 PathProgramCache]: Analyzing trace with hash 2057440243, now seen corresponding path program 1 times [2022-07-14 04:48:05,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:48:05,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [714875482] [2022-07-14 04:48:05,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:48:05,809 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:48:05,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:48:05,811 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) [2022-07-14 04:48:05,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (47)] Waiting until timeout for monitored process