./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--usb--host--u132-hcd.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--usb--host--u132-hcd.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 59b1cfb91cc72e499bff6d8fc699fc231e5a5cccbbf2aefe05d1bfd2696fc05b --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 04:51:58,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:51:58,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:51:58,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:51:58,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:51:58,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:51:58,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:51:58,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:51:58,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:51:58,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:51:58,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:51:58,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:51:58,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:51:58,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:51:58,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:51:58,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:51:58,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:51:58,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:51:58,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:51:58,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:51:58,704 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:51:58,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:51:58,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:51:58,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:51:58,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:51:58,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:51:58,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:51:58,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:51:58,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:51:58,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:51:58,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:51:58,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:51:58,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:51:58,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:51:58,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:51:58,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:51:58,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:51:58,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:51:58,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:51:58,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:51:58,722 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:51:58,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:51:58,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:51:58,753 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:51:58,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:51:58,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:51:58,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:51:58,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:51:58,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:51:58,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:51:58,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:51:58,756 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:51:58,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:51:58,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:51:58,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:51:58,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:51:58,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:51:58,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:51:58,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:51:58,759 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:51:58,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:51:58,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:51:58,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:51:58,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:51:58,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:51:58,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:51:58,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:51:58,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:51:58,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:51:58,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:51:58,764 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:51:58,764 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:51:58,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:51:58,765 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59b1cfb91cc72e499bff6d8fc699fc231e5a5cccbbf2aefe05d1bfd2696fc05b [2022-07-14 04:51:59,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:51:59,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:51:59,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:51:59,041 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:51:59,041 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:51:59,042 INFO L432 ainManager$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--usb--host--u132-hcd.ko.cil.i [2022-07-14 04:51:59,117 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28d6f551a/a6d44f2b52a54c96bcc7bcbb0be14f2a/FLAGdfeda1ee6 [2022-07-14 04:51:59,973 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:51:59,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i [2022-07-14 04:52:00,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28d6f551a/a6d44f2b52a54c96bcc7bcbb0be14f2a/FLAGdfeda1ee6 [2022-07-14 04:52:00,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28d6f551a/a6d44f2b52a54c96bcc7bcbb0be14f2a [2022-07-14 04:52:00,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:52:00,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:52:00,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:52:00,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:52:00,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:52:00,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:52:00" (1/1) ... [2022-07-14 04:52:00,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ebe8f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:52:00, skipping insertion in model container [2022-07-14 04:52:00,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:52:00" (1/1) ... [2022-07-14 04:52:00,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:52:00,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:52:04,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434581,434594] [2022-07-14 04:52:04,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434726,434739] [2022-07-14 04:52:04,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434872,434885] [2022-07-14 04:52:04,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435037,435050] [2022-07-14 04:52:04,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435195,435208] [2022-07-14 04:52:04,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435353,435366] [2022-07-14 04:52:04,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435511,435524] [2022-07-14 04:52:04,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435671,435684] [2022-07-14 04:52:04,958 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435830,435843] [2022-07-14 04:52:04,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435969,435982] [2022-07-14 04:52:04,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436111,436124] [2022-07-14 04:52:04,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436260,436273] [2022-07-14 04:52:04,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436399,436412] [2022-07-14 04:52:04,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436554,436567] [2022-07-14 04:52:04,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436714,436727] [2022-07-14 04:52:04,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436865,436878] [2022-07-14 04:52:04,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437016,437029] [2022-07-14 04:52:04,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437168,437181] [2022-07-14 04:52:04,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437317,437330] [2022-07-14 04:52:04,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437465,437478] [2022-07-14 04:52:04,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437622,437635] [2022-07-14 04:52:04,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437771,437784] [2022-07-14 04:52:04,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437927,437940] [2022-07-14 04:52:04,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438080,438093] [2022-07-14 04:52:04,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438226,438239] [2022-07-14 04:52:04,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438369,438382] [2022-07-14 04:52:04,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438521,438534] [2022-07-14 04:52:04,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438667,438680] [2022-07-14 04:52:04,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438812,438825] [2022-07-14 04:52:04,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438966,438979] [2022-07-14 04:52:04,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439117,439130] [2022-07-14 04:52:04,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439272,439285] [2022-07-14 04:52:04,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439424,439437] [2022-07-14 04:52:04,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439579,439592] [2022-07-14 04:52:04,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439743,439756] [2022-07-14 04:52:04,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439899,439912] [2022-07-14 04:52:04,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440063,440076] [2022-07-14 04:52:04,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440205,440218] [2022-07-14 04:52:04,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440363,440376] [2022-07-14 04:52:04,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440530,440543] [2022-07-14 04:52:04,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440689,440702] [2022-07-14 04:52:04,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440848,440861] [2022-07-14 04:52:04,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440997,441010] [2022-07-14 04:52:04,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441144,441157] [2022-07-14 04:52:04,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441283,441296] [2022-07-14 04:52:04,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441446,441459] [2022-07-14 04:52:04,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441612,441625] [2022-07-14 04:52:04,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441776,441789] [2022-07-14 04:52:04,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441941,441954] [2022-07-14 04:52:04,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442106,442119] [2022-07-14 04:52:04,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442272,442285] [2022-07-14 04:52:04,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442437,442450] [2022-07-14 04:52:04,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442604,442617] [2022-07-14 04:52:04,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442764,442777] [2022-07-14 04:52:04,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442926,442939] [2022-07-14 04:52:04,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443085,443098] [2022-07-14 04:52:04,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443231,443244] [2022-07-14 04:52:04,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443374,443387] [2022-07-14 04:52:04,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443518,443531] [2022-07-14 04:52:04,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443661,443674] [2022-07-14 04:52:04,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443805,443818] [2022-07-14 04:52:04,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443946,443959] [2022-07-14 04:52:04,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444084,444097] [2022-07-14 04:52:04,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444242,444255] [2022-07-14 04:52:04,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444401,444414] [2022-07-14 04:52:04,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444557,444570] [2022-07-14 04:52:04,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444706,444719] [2022-07-14 04:52:04,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444858,444871] [2022-07-14 04:52:04,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445009,445022] [2022-07-14 04:52:04,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445158,445171] [2022-07-14 04:52:04,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445310,445323] [2022-07-14 04:52:04,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445458,445471] [2022-07-14 04:52:04,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445611,445624] [2022-07-14 04:52:04,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445762,445775] [2022-07-14 04:52:04,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445912,445925] [2022-07-14 04:52:04,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446059,446072] [2022-07-14 04:52:04,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446210,446223] [2022-07-14 04:52:04,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446361,446374] [2022-07-14 04:52:04,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446509,446522] [2022-07-14 04:52:04,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446675,446688] [2022-07-14 04:52:05,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446844,446857] [2022-07-14 04:52:05,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447011,447024] [2022-07-14 04:52:05,001 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447179,447192] [2022-07-14 04:52:05,001 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447329,447342] [2022-07-14 04:52:05,001 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447476,447489] [2022-07-14 04:52:05,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447637,447650] [2022-07-14 04:52:05,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447807,447820] [2022-07-14 04:52:05,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447969,447982] [2022-07-14 04:52:05,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:52:05,045 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:52:05,305 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: roothub_a___0 = roothub_a___0 & 4294964991U [7338] 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.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 04:52:05,311 INFO L158 Benchmark]: Toolchain (without parser) took 5214.54ms. Allocated memory was 121.6MB in the beginning and 218.1MB in the end (delta: 96.5MB). Free memory was 80.4MB in the beginning and 152.6MB in the end (delta: -72.2MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. [2022-07-14 04:52:05,312 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 121.6MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 04:52:05,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5211.57ms. Allocated memory was 121.6MB in the beginning and 218.1MB in the end (delta: 96.5MB). Free memory was 80.1MB in the beginning and 152.6MB in the end (delta: -72.6MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. [2022-07-14 04:52:05,313 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 121.6MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5211.57ms. Allocated memory was 121.6MB in the beginning and 218.1MB in the end (delta: 96.5MB). Free memory was 80.1MB in the beginning and 152.6MB in the end (delta: -72.6MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: roothub_a___0 = roothub_a___0 & 4294964991U [7338] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: roothub_a___0 = roothub_a___0 & 4294964991U [7338]: 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--usb--host--u132-hcd.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 59b1cfb91cc72e499bff6d8fc699fc231e5a5cccbbf2aefe05d1bfd2696fc05b --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 04:52:06,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:52:06,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:52:06,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:52:06,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:52:06,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:52:06,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:52:06,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:52:06,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:52:06,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:52:06,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:52:06,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:52:06,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:52:06,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:52:06,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:52:06,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:52:06,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:52:06,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:52:06,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:52:06,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:52:06,942 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:52:06,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:52:06,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:52:06,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:52:06,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:52:06,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:52:06,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:52:06,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:52:06,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:52:06,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:52:06,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:52:06,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:52:06,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:52:06,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:52:06,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:52:06,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:52:06,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:52:06,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:52:06,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:52:06,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:52:06,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:52:06,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:52:06,966 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 04:52:07,000 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:52:07,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:52:07,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:52:07,001 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:52:07,001 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:52:07,001 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:52:07,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:52:07,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:52:07,002 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:52:07,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:52:07,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:52:07,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:52:07,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:52:07,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:52:07,004 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 04:52:07,004 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 04:52:07,004 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 04:52:07,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:52:07,004 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:52:07,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:52:07,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:52:07,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:52:07,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:52:07,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:52:07,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:52:07,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:52:07,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:52:07,006 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 04:52:07,006 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 04:52:07,006 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:52:07,006 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:52:07,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:52:07,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 04:52:07,007 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59b1cfb91cc72e499bff6d8fc699fc231e5a5cccbbf2aefe05d1bfd2696fc05b [2022-07-14 04:52:07,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:52:07,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:52:07,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:52:07,284 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:52:07,285 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:52:07,285 INFO L432 ainManager$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--usb--host--u132-hcd.ko.cil.i [2022-07-14 04:52:07,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dbc69167/952f41fba1024e9d950e07df7099f27f/FLAGc36705674 [2022-07-14 04:52:08,102 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:52:08,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i [2022-07-14 04:52:08,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dbc69167/952f41fba1024e9d950e07df7099f27f/FLAGc36705674 [2022-07-14 04:52:08,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9dbc69167/952f41fba1024e9d950e07df7099f27f [2022-07-14 04:52:08,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:52:08,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:52:08,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:52:08,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:52:08,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:52:08,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:52:08" (1/1) ... [2022-07-14 04:52:08,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2025b76f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:52:08, skipping insertion in model container [2022-07-14 04:52:08,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:52:08" (1/1) ... [2022-07-14 04:52:08,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:52:08,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:52:11,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434581,434594] [2022-07-14 04:52:11,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434726,434739] [2022-07-14 04:52:11,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434872,434885] [2022-07-14 04:52:11,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435037,435050] [2022-07-14 04:52:11,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435195,435208] [2022-07-14 04:52:11,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435353,435366] [2022-07-14 04:52:11,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435511,435524] [2022-07-14 04:52:11,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435671,435684] [2022-07-14 04:52:11,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435830,435843] [2022-07-14 04:52:11,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435969,435982] [2022-07-14 04:52:11,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436111,436124] [2022-07-14 04:52:11,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436260,436273] [2022-07-14 04:52:11,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436399,436412] [2022-07-14 04:52:11,923 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436554,436567] [2022-07-14 04:52:11,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436714,436727] [2022-07-14 04:52:11,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436865,436878] [2022-07-14 04:52:11,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437016,437029] [2022-07-14 04:52:11,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437168,437181] [2022-07-14 04:52:11,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437317,437330] [2022-07-14 04:52:11,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437465,437478] [2022-07-14 04:52:11,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437622,437635] [2022-07-14 04:52:11,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437771,437784] [2022-07-14 04:52:11,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437927,437940] [2022-07-14 04:52:11,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438080,438093] [2022-07-14 04:52:11,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438226,438239] [2022-07-14 04:52:11,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438369,438382] [2022-07-14 04:52:11,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438521,438534] [2022-07-14 04:52:11,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438667,438680] [2022-07-14 04:52:11,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438812,438825] [2022-07-14 04:52:11,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438966,438979] [2022-07-14 04:52:11,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439117,439130] [2022-07-14 04:52:11,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439272,439285] [2022-07-14 04:52:11,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439424,439437] [2022-07-14 04:52:11,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439579,439592] [2022-07-14 04:52:11,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439743,439756] [2022-07-14 04:52:11,938 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439899,439912] [2022-07-14 04:52:11,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440063,440076] [2022-07-14 04:52:11,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440205,440218] [2022-07-14 04:52:11,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440363,440376] [2022-07-14 04:52:11,939 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440530,440543] [2022-07-14 04:52:11,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440689,440702] [2022-07-14 04:52:11,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440848,440861] [2022-07-14 04:52:11,940 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440997,441010] [2022-07-14 04:52:11,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441144,441157] [2022-07-14 04:52:11,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441283,441296] [2022-07-14 04:52:11,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441446,441459] [2022-07-14 04:52:11,941 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441612,441625] [2022-07-14 04:52:11,942 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441776,441789] [2022-07-14 04:52:11,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441941,441954] [2022-07-14 04:52:11,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442106,442119] [2022-07-14 04:52:11,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442272,442285] [2022-07-14 04:52:11,943 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442437,442450] [2022-07-14 04:52:11,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442604,442617] [2022-07-14 04:52:11,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442764,442777] [2022-07-14 04:52:11,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442926,442939] [2022-07-14 04:52:11,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443085,443098] [2022-07-14 04:52:11,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443231,443244] [2022-07-14 04:52:11,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443374,443387] [2022-07-14 04:52:11,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443518,443531] [2022-07-14 04:52:11,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443661,443674] [2022-07-14 04:52:11,946 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443805,443818] [2022-07-14 04:52:11,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443946,443959] [2022-07-14 04:52:11,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444084,444097] [2022-07-14 04:52:11,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444242,444255] [2022-07-14 04:52:11,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444401,444414] [2022-07-14 04:52:11,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444557,444570] [2022-07-14 04:52:11,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444706,444719] [2022-07-14 04:52:11,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444858,444871] [2022-07-14 04:52:11,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445009,445022] [2022-07-14 04:52:11,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445158,445171] [2022-07-14 04:52:11,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445310,445323] [2022-07-14 04:52:11,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445458,445471] [2022-07-14 04:52:11,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445611,445624] [2022-07-14 04:52:11,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445762,445775] [2022-07-14 04:52:11,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445912,445925] [2022-07-14 04:52:11,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446059,446072] [2022-07-14 04:52:11,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446210,446223] [2022-07-14 04:52:11,952 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446361,446374] [2022-07-14 04:52:11,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446509,446522] [2022-07-14 04:52:11,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446675,446688] [2022-07-14 04:52:11,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446844,446857] [2022-07-14 04:52:11,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447011,447024] [2022-07-14 04:52:11,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447179,447192] [2022-07-14 04:52:11,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447329,447342] [2022-07-14 04:52:11,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447476,447489] [2022-07-14 04:52:11,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447637,447650] [2022-07-14 04:52:11,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447807,447820] [2022-07-14 04:52:11,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447969,447982] [2022-07-14 04:52:11,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:52:11,997 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 04:52:12,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:52:12,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434581,434594] [2022-07-14 04:52:12,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434726,434739] [2022-07-14 04:52:12,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[434872,434885] [2022-07-14 04:52:12,341 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435037,435050] [2022-07-14 04:52:12,341 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435195,435208] [2022-07-14 04:52:12,341 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435353,435366] [2022-07-14 04:52:12,341 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435511,435524] [2022-07-14 04:52:12,342 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435671,435684] [2022-07-14 04:52:12,342 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435830,435843] [2022-07-14 04:52:12,342 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[435969,435982] [2022-07-14 04:52:12,342 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436111,436124] [2022-07-14 04:52:12,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436260,436273] [2022-07-14 04:52:12,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436399,436412] [2022-07-14 04:52:12,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436554,436567] [2022-07-14 04:52:12,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436714,436727] [2022-07-14 04:52:12,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436865,436878] [2022-07-14 04:52:12,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437016,437029] [2022-07-14 04:52:12,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437168,437181] [2022-07-14 04:52:12,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437317,437330] [2022-07-14 04:52:12,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437465,437478] [2022-07-14 04:52:12,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437622,437635] [2022-07-14 04:52:12,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437771,437784] [2022-07-14 04:52:12,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437927,437940] [2022-07-14 04:52:12,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438080,438093] [2022-07-14 04:52:12,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438226,438239] [2022-07-14 04:52:12,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438369,438382] [2022-07-14 04:52:12,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438521,438534] [2022-07-14 04:52:12,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438667,438680] [2022-07-14 04:52:12,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438812,438825] [2022-07-14 04:52:12,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438966,438979] [2022-07-14 04:52:12,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439117,439130] [2022-07-14 04:52:12,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439272,439285] [2022-07-14 04:52:12,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439424,439437] [2022-07-14 04:52:12,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439579,439592] [2022-07-14 04:52:12,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439743,439756] [2022-07-14 04:52:12,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439899,439912] [2022-07-14 04:52:12,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440063,440076] [2022-07-14 04:52:12,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440205,440218] [2022-07-14 04:52:12,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440363,440376] [2022-07-14 04:52:12,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440530,440543] [2022-07-14 04:52:12,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440689,440702] [2022-07-14 04:52:12,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440848,440861] [2022-07-14 04:52:12,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440997,441010] [2022-07-14 04:52:12,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441144,441157] [2022-07-14 04:52:12,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441283,441296] [2022-07-14 04:52:12,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441446,441459] [2022-07-14 04:52:12,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441612,441625] [2022-07-14 04:52:12,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441776,441789] [2022-07-14 04:52:12,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441941,441954] [2022-07-14 04:52:12,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442106,442119] [2022-07-14 04:52:12,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442272,442285] [2022-07-14 04:52:12,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442437,442450] [2022-07-14 04:52:12,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442604,442617] [2022-07-14 04:52:12,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442764,442777] [2022-07-14 04:52:12,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442926,442939] [2022-07-14 04:52:12,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443085,443098] [2022-07-14 04:52:12,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443231,443244] [2022-07-14 04:52:12,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443374,443387] [2022-07-14 04:52:12,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443518,443531] [2022-07-14 04:52:12,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443661,443674] [2022-07-14 04:52:12,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443805,443818] [2022-07-14 04:52:12,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443946,443959] [2022-07-14 04:52:12,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444084,444097] [2022-07-14 04:52:12,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444242,444255] [2022-07-14 04:52:12,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444401,444414] [2022-07-14 04:52:12,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444557,444570] [2022-07-14 04:52:12,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444706,444719] [2022-07-14 04:52:12,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444858,444871] [2022-07-14 04:52:12,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445009,445022] [2022-07-14 04:52:12,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445158,445171] [2022-07-14 04:52:12,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445310,445323] [2022-07-14 04:52:12,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445458,445471] [2022-07-14 04:52:12,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445611,445624] [2022-07-14 04:52:12,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445762,445775] [2022-07-14 04:52:12,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445912,445925] [2022-07-14 04:52:12,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446059,446072] [2022-07-14 04:52:12,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446210,446223] [2022-07-14 04:52:12,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446361,446374] [2022-07-14 04:52:12,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446509,446522] [2022-07-14 04:52:12,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446675,446688] [2022-07-14 04:52:12,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446844,446857] [2022-07-14 04:52:12,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447011,447024] [2022-07-14 04:52:12,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447179,447192] [2022-07-14 04:52:12,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447329,447342] [2022-07-14 04:52:12,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447476,447489] [2022-07-14 04:52:12,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447637,447650] [2022-07-14 04:52:12,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447807,447820] [2022-07-14 04:52:12,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447969,447982] [2022-07-14 04:52:12,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:52:12,419 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:52:12,740 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--usb--host--u132-hcd.ko.cil.i[434581,434594] [2022-07-14 04:52:12,741 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--usb--host--u132-hcd.ko.cil.i[434726,434739] [2022-07-14 04:52:12,742 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--usb--host--u132-hcd.ko.cil.i[434872,434885] [2022-07-14 04:52:12,742 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--usb--host--u132-hcd.ko.cil.i[435037,435050] [2022-07-14 04:52:12,743 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--usb--host--u132-hcd.ko.cil.i[435195,435208] [2022-07-14 04:52:12,743 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--usb--host--u132-hcd.ko.cil.i[435353,435366] [2022-07-14 04:52:12,743 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--usb--host--u132-hcd.ko.cil.i[435511,435524] [2022-07-14 04:52:12,743 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--usb--host--u132-hcd.ko.cil.i[435671,435684] [2022-07-14 04:52:12,744 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--usb--host--u132-hcd.ko.cil.i[435830,435843] [2022-07-14 04:52:12,744 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--usb--host--u132-hcd.ko.cil.i[435969,435982] [2022-07-14 04:52:12,744 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--usb--host--u132-hcd.ko.cil.i[436111,436124] [2022-07-14 04:52:12,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436260,436273] [2022-07-14 04:52:12,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436399,436412] [2022-07-14 04:52:12,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436554,436567] [2022-07-14 04:52:12,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436714,436727] [2022-07-14 04:52:12,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436865,436878] [2022-07-14 04:52:12,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437016,437029] [2022-07-14 04:52:12,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437168,437181] [2022-07-14 04:52:12,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437317,437330] [2022-07-14 04:52:12,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437465,437478] [2022-07-14 04:52:12,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437622,437635] [2022-07-14 04:52:12,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437771,437784] [2022-07-14 04:52:12,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437927,437940] [2022-07-14 04:52:12,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438080,438093] [2022-07-14 04:52:12,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438226,438239] [2022-07-14 04:52:12,750 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--usb--host--u132-hcd.ko.cil.i[438369,438382] [2022-07-14 04:52:12,751 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--usb--host--u132-hcd.ko.cil.i[438521,438534] [2022-07-14 04:52:12,751 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--usb--host--u132-hcd.ko.cil.i[438667,438680] [2022-07-14 04:52:12,752 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--usb--host--u132-hcd.ko.cil.i[438812,438825] [2022-07-14 04:52:12,752 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--usb--host--u132-hcd.ko.cil.i[438966,438979] [2022-07-14 04:52:12,752 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--usb--host--u132-hcd.ko.cil.i[439117,439130] [2022-07-14 04:52:12,753 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--usb--host--u132-hcd.ko.cil.i[439272,439285] [2022-07-14 04:52:12,753 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--usb--host--u132-hcd.ko.cil.i[439424,439437] [2022-07-14 04:52:12,753 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--usb--host--u132-hcd.ko.cil.i[439579,439592] [2022-07-14 04:52:12,753 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--usb--host--u132-hcd.ko.cil.i[439743,439756] [2022-07-14 04:52:12,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439899,439912] [2022-07-14 04:52:12,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440063,440076] [2022-07-14 04:52:12,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440205,440218] [2022-07-14 04:52:12,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440363,440376] [2022-07-14 04:52:12,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440530,440543] [2022-07-14 04:52:12,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440689,440702] [2022-07-14 04:52:12,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440848,440861] [2022-07-14 04:52:12,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440997,441010] [2022-07-14 04:52:12,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441144,441157] [2022-07-14 04:52:12,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441283,441296] [2022-07-14 04:52:12,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441446,441459] [2022-07-14 04:52:12,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441612,441625] [2022-07-14 04:52:12,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441776,441789] [2022-07-14 04:52:12,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441941,441954] [2022-07-14 04:52:12,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442106,442119] [2022-07-14 04:52:12,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442272,442285] [2022-07-14 04:52:12,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442437,442450] [2022-07-14 04:52:12,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442604,442617] [2022-07-14 04:52:12,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442764,442777] [2022-07-14 04:52:12,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442926,442939] [2022-07-14 04:52:12,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443085,443098] [2022-07-14 04:52:12,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443231,443244] [2022-07-14 04:52:12,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443374,443387] [2022-07-14 04:52:12,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443518,443531] [2022-07-14 04:52:12,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443661,443674] [2022-07-14 04:52:12,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443805,443818] [2022-07-14 04:52:12,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443946,443959] [2022-07-14 04:52:12,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444084,444097] [2022-07-14 04:52:12,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444242,444255] [2022-07-14 04:52:12,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444401,444414] [2022-07-14 04:52:12,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444557,444570] [2022-07-14 04:52:12,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444706,444719] [2022-07-14 04:52:12,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444858,444871] [2022-07-14 04:52:12,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445009,445022] [2022-07-14 04:52:12,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445158,445171] [2022-07-14 04:52:12,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445310,445323] [2022-07-14 04:52:12,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445458,445471] [2022-07-14 04:52:12,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445611,445624] [2022-07-14 04:52:12,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445762,445775] [2022-07-14 04:52:12,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445912,445925] [2022-07-14 04:52:12,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446059,446072] [2022-07-14 04:52:12,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446210,446223] [2022-07-14 04:52:12,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446361,446374] [2022-07-14 04:52:12,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446509,446522] [2022-07-14 04:52:12,766 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446675,446688] [2022-07-14 04:52:12,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446844,446857] [2022-07-14 04:52:12,771 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--usb--host--u132-hcd.ko.cil.i[447011,447024] [2022-07-14 04:52:12,771 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--usb--host--u132-hcd.ko.cil.i[447179,447192] [2022-07-14 04:52:12,771 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--usb--host--u132-hcd.ko.cil.i[447329,447342] [2022-07-14 04:52:12,771 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--usb--host--u132-hcd.ko.cil.i[447476,447489] [2022-07-14 04:52:12,772 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--usb--host--u132-hcd.ko.cil.i[447637,447650] [2022-07-14 04:52:12,772 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--usb--host--u132-hcd.ko.cil.i[447807,447820] [2022-07-14 04:52:12,772 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--usb--host--u132-hcd.ko.cil.i[447969,447982] [2022-07-14 04:52:12,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:52:12,944 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:52:12,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:52:12 WrapperNode [2022-07-14 04:52:12,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:52:12,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:52:12,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:52:12,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:52:12,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:52:12" (1/1) ... [2022-07-14 04:52:13,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:52:12" (1/1) ... [2022-07-14 04:52:13,207 INFO L137 Inliner]: procedures = 757, calls = 3425, calls flagged for inlining = 401, calls inlined = 237, statements flattened = 6639 [2022-07-14 04:52:13,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:52:13,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:52:13,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:52:13,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:52:13,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:52:12" (1/1) ... [2022-07-14 04:52:13,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:52:12" (1/1) ... [2022-07-14 04:52:13,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:52:12" (1/1) ... [2022-07-14 04:52:13,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:52:12" (1/1) ... [2022-07-14 04:52:13,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:52:12" (1/1) ... [2022-07-14 04:52:13,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:52:12" (1/1) ... [2022-07-14 04:52:13,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:52:12" (1/1) ... [2022-07-14 04:52:13,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:52:13,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:52:13,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:52:13,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:52:13,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:52:12" (1/1) ... [2022-07-14 04:52:13,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:52:13,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:52:13,432 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 04:52:13,434 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 04:52:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-07-14 04:52:13,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-07-14 04:52:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:52:13,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:52:13,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-14 04:52:13,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-14 04:52:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-07-14 04:52:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-07-14 04:52:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure u132_disable [2022-07-14 04:52:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_disable [2022-07-14 04:52:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:52:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:52:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure u132_remove [2022-07-14 04:52:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_remove [2022-07-14 04:52:13,461 INFO L130 BoogieDeclarations]: Found specification of procedure u132_udev_init_kref [2022-07-14 04:52:13,461 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_udev_init_kref [2022-07-14 04:52:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-07-14 04:52:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-07-14 04:52:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-07-14 04:52:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-07-14 04:52:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 04:52:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 04:52:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure u132_udev_put_kref [2022-07-14 04:52:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_udev_put_kref [2022-07-14 04:52:13,462 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ftdi_elan_read_pcimem [2022-07-14 04:52:13,462 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ftdi_elan_read_pcimem [2022-07-14 04:52:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure u132_ring_requeue_work [2022-07-14 04:52:13,463 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_ring_requeue_work [2022-07-14 04:52:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure u132_bus_suspend [2022-07-14 04:52:13,463 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_bus_suspend [2022-07-14 04:52:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure u132_get_frame [2022-07-14 04:52:13,463 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_get_frame [2022-07-14 04:52:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:52:13,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:52:13,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:52:13,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:52:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure edset_output [2022-07-14 04:52:13,464 INFO L138 BoogieDeclarations]: Found implementation of procedure edset_output [2022-07-14 04:52:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-07-14 04:52:13,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-07-14 04:52:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure read_roothub_info [2022-07-14 04:52:13,464 INFO L138 BoogieDeclarations]: Found implementation of procedure read_roothub_info [2022-07-14 04:52:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_scheduler_lock_of_u132 [2022-07-14 04:52:13,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_scheduler_lock_of_u132 [2022-07-14 04:52:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure edset_single [2022-07-14 04:52:13,464 INFO L138 BoogieDeclarations]: Found implementation of procedure edset_single [2022-07-14 04:52:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:52:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 04:52:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 04:52:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 04:52:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure edset_setup [2022-07-14 04:52:13,465 INFO L138 BoogieDeclarations]: Found implementation of procedure edset_setup [2022-07-14 04:52:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-14 04:52:13,465 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-14 04:52:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 04:52:13,466 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 04:52:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-07-14 04:52:13,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-07-14 04:52:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure u132_resume [2022-07-14 04:52:13,466 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_resume [2022-07-14 04:52:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_gone_away [2022-07-14 04:52:13,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_gone_away [2022-07-14 04:52:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 04:52:13,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 04:52:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-07-14 04:52:13,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-07-14 04:52:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:52:13,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:52:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure u132_endp_cancel_work [2022-07-14 04:52:13,467 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_endp_cancel_work [2022-07-14 04:52:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-14 04:52:13,467 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-14 04:52:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-14 04:52:13,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-14 04:52:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-07-14 04:52:13,467 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-07-14 04:52:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_ring_work_scheduler [2022-07-14 04:52:13,468 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_ring_work_scheduler [2022-07-14 04:52:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-07-14 04:52:13,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-07-14 04:52:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-14 04:52:13,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-14 04:52:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-07-14 04:52:13,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-07-14 04:52:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 04:52:13,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 04:52:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure u132_u132_put_kref [2022-07-14 04:52:13,469 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_u132_put_kref [2022-07-14 04:52:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-14 04:52:13,469 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-14 04:52:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-07-14 04:52:13,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-07-14 04:52:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_endp_work_scheduler [2022-07-14 04:52:13,469 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_endp_work_scheduler [2022-07-14 04:52:13,469 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-14 04:52:13,469 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-14 04:52:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-14 04:52:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-14 04:52:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_monitor_work [2022-07-14 04:52:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_monitor_work [2022-07-14 04:52:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:52:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure u132_monitor_requeue_work [2022-07-14 04:52:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_monitor_requeue_work [2022-07-14 04:52:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_stop [2022-07-14 04:52:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_stop [2022-07-14 04:52:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:52:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:52:13,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:52:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:52:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_giveback_urb [2022-07-14 04:52:13,471 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_giveback_urb [2022-07-14 04:52:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:52:13,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:52:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ftdi_elan_write_pcimem [2022-07-14 04:52:13,471 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ftdi_elan_write_pcimem [2022-07-14 04:52:13,471 INFO L130 BoogieDeclarations]: Found specification of procedure u132_endp_queue_work [2022-07-14 04:52:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_endp_queue_work [2022-07-14 04:52:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_u132_module_lock [2022-07-14 04:52:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_u132_module_lock [2022-07-14 04:52:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure u132_ring_queue_work [2022-07-14 04:52:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_ring_queue_work [2022-07-14 04:52:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-07-14 04:52:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-07-14 04:52:13,472 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 04:52:13,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 04:52:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 04:52:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 04:52:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_start [2022-07-14 04:52:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_start [2022-07-14 04:52:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-07-14 04:52:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-07-14 04:52:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ftdi_elan_edset_input [2022-07-14 04:52:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ftdi_elan_edset_input [2022-07-14 04:52:13,473 INFO L130 BoogieDeclarations]: Found specification of procedure u132_to_hcd [2022-07-14 04:52:13,473 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_to_hcd [2022-07-14 04:52:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure u132_probe [2022-07-14 04:52:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_probe [2022-07-14 04:52:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_sw_lock_of_u132 [2022-07-14 04:52:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_sw_lock_of_u132 [2022-07-14 04:52:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-14 04:52:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-14 04:52:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:52:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:52:13,474 INFO L130 BoogieDeclarations]: Found specification of procedure u132_endp_init_kref [2022-07-14 04:52:13,474 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_endp_init_kref [2022-07-14 04:52:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_sw_lock_of_u132 [2022-07-14 04:52:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_sw_lock_of_u132 [2022-07-14 04:52:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 04:52:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 04:52:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 04:52:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-14 04:52:13,475 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-14 04:52:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 04:52:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 04:52:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 04:52:13,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:52:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:52:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure u132_udev_get_kref [2022-07-14 04:52:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_udev_get_kref [2022-07-14 04:52:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:52:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:52:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_u132 [2022-07-14 04:52:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_u132 [2022-07-14 04:52:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-07-14 04:52:13,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-07-14 04:52:13,476 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2022-07-14 04:52:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2022-07-14 04:52:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure u132_bus_resume [2022-07-14 04:52:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_bus_resume [2022-07-14 04:52:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_slock_of_u132_spin [2022-07-14 04:52:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_slock_of_u132_spin [2022-07-14 04:52:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-07-14 04:52:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-07-14 04:52:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure u132_endp_delete [2022-07-14 04:52:13,477 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_endp_delete [2022-07-14 04:52:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:52:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-07-14 04:52:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-07-14 04:52:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 04:52:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 04:52:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-14 04:52:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-14 04:52:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure u132_endp_put_kref [2022-07-14 04:52:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_endp_put_kref [2022-07-14 04:52:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:52:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_100 [2022-07-14 04:52:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_100 [2022-07-14 04:52:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 04:52:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 04:52:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 04:52:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 04:52:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:52:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure u132_ring_put_kref [2022-07-14 04:52:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_ring_put_kref [2022-07-14 04:52:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-14 04:52:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-14 04:52:13,479 INFO L130 BoogieDeclarations]: Found specification of procedure u132_endp_urb_dequeue [2022-07-14 04:52:13,479 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_endp_urb_dequeue [2022-07-14 04:52:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-14 04:52:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-14 04:52:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:52:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:52:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 04:52:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 04:52:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_reset [2022-07-14 04:52:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_reset [2022-07-14 04:52:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-14 04:52:13,480 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-14 04:52:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-14 04:52:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-14 04:52:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-14 04:52:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-14 04:52:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-07-14 04:52:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-07-14 04:52:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure port_power [2022-07-14 04:52:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure port_power [2022-07-14 04:52:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-07-14 04:52:13,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-07-14 04:52:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 04:52:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 04:52:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-14 04:52:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-14 04:52:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 04:52:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 04:52:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-14 04:52:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-14 04:52:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-14 04:52:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-14 04:52:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2022-07-14 04:52:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2022-07-14 04:52:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:52:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:52:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-14 04:52:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-14 04:52:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-07-14 04:52:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-07-14 04:52:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_scheduler_lock_of_u132 [2022-07-14 04:52:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_scheduler_lock_of_u132 [2022-07-14 04:52:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure u132_ring_cancel_work [2022-07-14 04:52:13,484 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_ring_cancel_work [2022-07-14 04:52:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:52:13,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:52:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-14 04:52:13,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-14 04:52:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-14 04:52:13,484 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-14 04:52:13,484 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-14 04:52:13,484 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-14 04:52:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-14 04:52:13,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_u132_module_lock [2022-07-14 04:52:13,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_u132_module_lock [2022-07-14 04:52:14,201 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:52:14,205 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:52:14,397 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:52:58,092 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:52:58,106 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:52:58,106 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 04:52:58,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:52:58 BoogieIcfgContainer [2022-07-14 04:52:58,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:52:58,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:52:58,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:52:58,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:52:58,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:52:08" (1/3) ... [2022-07-14 04:52:58,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4afc2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:52:58, skipping insertion in model container [2022-07-14 04:52:58,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:52:12" (2/3) ... [2022-07-14 04:52:58,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4afc2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:52:58, skipping insertion in model container [2022-07-14 04:52:58,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:52:58" (3/3) ... [2022-07-14 04:52:58,114 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i [2022-07-14 04:52:58,123 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:52:58,124 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-07-14 04:52:58,200 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:52:58,205 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@1c018b2f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@565a26c3 [2022-07-14 04:52:58,205 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2022-07-14 04:52:58,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 2139 states, 1430 states have (on average 1.3258741258741258) internal successors, (1896), 1522 states have internal predecessors, (1896), 565 states have call successors, (565), 115 states have call predecessors, (565), 114 states have return successors, (559), 527 states have call predecessors, (559), 559 states have call successors, (559) [2022-07-14 04:52:58,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-07-14 04:52:58,225 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:52:58,226 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-14 04:52:58,226 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 27 more)] === [2022-07-14 04:52:58,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:52:58,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1788017132, now seen corresponding path program 1 times [2022-07-14 04:52:58,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:52:58,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [386154549] [2022-07-14 04:52:58,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:52:58,244 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:52:58,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:52:58,246 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 04:52:58,249 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 04:52:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:52:59,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:52:59,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:52:59,408 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:52:59,408 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:52:59,409 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:52:59,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [386154549] [2022-07-14 04:52:59,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [386154549] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:52:59,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:52:59,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:52:59,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082874998] [2022-07-14 04:52:59,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:52:59,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:52:59,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:52:59,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:52:59,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:52:59,434 INFO L87 Difference]: Start difference. First operand has 2139 states, 1430 states have (on average 1.3258741258741258) internal successors, (1896), 1522 states have internal predecessors, (1896), 565 states have call successors, (565), 115 states have call predecessors, (565), 114 states have return successors, (559), 527 states have call predecessors, (559), 559 states have call successors, (559) Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 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 04:52:59,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:52:59,650 INFO L93 Difference]: Finished difference Result 4241 states and 6214 transitions. [2022-07-14 04:52:59,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:52:59,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 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 61 [2022-07-14 04:52:59,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:52:59,677 INFO L225 Difference]: With dead ends: 4241 [2022-07-14 04:52:59,677 INFO L226 Difference]: Without dead ends: 2119 [2022-07-14 04:52:59,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:52:59,691 INFO L413 NwaCegarLoop]: 2982 mSDtfsCounter, 2933 mSDsluCounter, 2980 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2935 SdHoareTripleChecker+Valid, 5962 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 04:52:59,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2935 Valid, 5962 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:52:59,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2119 states. [2022-07-14 04:52:59,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2119 to 2119. [2022-07-14 04:52:59,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2119 states, 1419 states have (on average 1.302325581395349) internal successors, (1848), 1506 states have internal predecessors, (1848), 559 states have call successors, (559), 114 states have call predecessors, (559), 113 states have return successors, (557), 525 states have call predecessors, (557), 557 states have call successors, (557) [2022-07-14 04:52:59,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 2119 states and 2964 transitions. [2022-07-14 04:52:59,872 INFO L78 Accepts]: Start accepts. Automaton has 2119 states and 2964 transitions. Word has length 61 [2022-07-14 04:52:59,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:52:59,874 INFO L495 AbstractCegarLoop]: Abstraction has 2119 states and 2964 transitions. [2022-07-14 04:52:59,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 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 04:52:59,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 2964 transitions. [2022-07-14 04:52:59,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-14 04:52:59,881 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:52:59,881 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-14 04:52:59,899 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 04:53:00,087 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 04:53:00,088 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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 27 more)] === [2022-07-14 04:53:00,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:00,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1487276142, now seen corresponding path program 1 times [2022-07-14 04:53:00,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:00,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [60930011] [2022-07-14 04:53:00,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:00,089 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:00,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:00,090 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 04:53:00,091 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 04:53:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:00,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:53:00,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:01,189 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:53:01,189 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:01,189 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:01,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [60930011] [2022-07-14 04:53:01,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [60930011] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:01,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:01,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:01,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289074569] [2022-07-14 04:53:01,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:01,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:53:01,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:01,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:53:01,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:53:01,191 INFO L87 Difference]: Start difference. First operand 2119 states and 2964 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 04:53:01,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:01,274 INFO L93 Difference]: Finished difference Result 2119 states and 2964 transitions. [2022-07-14 04:53:01,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:53:01,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 67 [2022-07-14 04:53:01,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:01,284 INFO L225 Difference]: With dead ends: 2119 [2022-07-14 04:53:01,284 INFO L226 Difference]: Without dead ends: 2117 [2022-07-14 04:53:01,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:53:01,286 INFO L413 NwaCegarLoop]: 2960 mSDtfsCounter, 2905 mSDsluCounter, 2958 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2907 SdHoareTripleChecker+Valid, 5918 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 04:53:01,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2907 Valid, 5918 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:53:01,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2117 states. [2022-07-14 04:53:01,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2117 to 2117. [2022-07-14 04:53:01,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2117 states, 1418 states have (on average 1.301833568406206) internal successors, (1846), 1504 states have internal predecessors, (1846), 559 states have call successors, (559), 114 states have call predecessors, (559), 113 states have return successors, (557), 525 states have call predecessors, (557), 557 states have call successors, (557) [2022-07-14 04:53:01,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 2117 states and 2962 transitions. [2022-07-14 04:53:01,365 INFO L78 Accepts]: Start accepts. Automaton has 2117 states and 2962 transitions. Word has length 67 [2022-07-14 04:53:01,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:01,365 INFO L495 AbstractCegarLoop]: Abstraction has 2117 states and 2962 transitions. [2022-07-14 04:53:01,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 04:53:01,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 2962 transitions. [2022-07-14 04:53:01,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-07-14 04:53:01,367 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:01,367 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-14 04:53:01,400 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 04:53:01,587 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 04:53:01,588 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__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 27 more)] === [2022-07-14 04:53:01,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:01,588 INFO L85 PathProgramCache]: Analyzing trace with hash -2020854893, now seen corresponding path program 1 times [2022-07-14 04:53:01,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:01,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1061609711] [2022-07-14 04:53:01,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:01,589 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:01,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:01,590 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 04:53:01,592 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 04:53:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:02,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-14 04:53:02,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:02,845 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-14 04:53:02,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:02,846 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:02,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1061609711] [2022-07-14 04:53:02,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1061609711] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:02,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:02,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-14 04:53:02,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318955566] [2022-07-14 04:53:02,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:02,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-14 04:53:02,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:02,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-14 04:53:02,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-07-14 04:53:02,849 INFO L87 Difference]: Start difference. First operand 2117 states and 2962 transitions. Second operand has 14 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 6 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2022-07-14 04:53:04,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:04,691 INFO L93 Difference]: Finished difference Result 3824 states and 5338 transitions. [2022-07-14 04:53:04,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-14 04:53:04,691 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 6 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 69 [2022-07-14 04:53:04,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:04,702 INFO L225 Difference]: With dead ends: 3824 [2022-07-14 04:53:04,702 INFO L226 Difference]: Without dead ends: 2153 [2022-07-14 04:53:04,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2022-07-14 04:53:04,707 INFO L413 NwaCegarLoop]: 2957 mSDtfsCounter, 44 mSDsluCounter, 35264 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 38221 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:53:04,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 38221 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-14 04:53:04,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2022-07-14 04:53:04,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2129. [2022-07-14 04:53:04,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2129 states, 1426 states have (on average 1.3001402524544179) internal successors, (1854), 1512 states have internal predecessors, (1854), 563 states have call successors, (563), 114 states have call predecessors, (563), 113 states have return successors, (561), 529 states have call predecessors, (561), 561 states have call successors, (561) [2022-07-14 04:53:04,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 2129 states and 2978 transitions. [2022-07-14 04:53:04,772 INFO L78 Accepts]: Start accepts. Automaton has 2129 states and 2978 transitions. Word has length 69 [2022-07-14 04:53:04,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:04,773 INFO L495 AbstractCegarLoop]: Abstraction has 2129 states and 2978 transitions. [2022-07-14 04:53:04,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 6 states have call successors, (12), 2 states have call predecessors, (12), 4 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2022-07-14 04:53:04,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 2978 transitions. [2022-07-14 04:53:04,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-14 04:53:04,775 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:04,775 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-14 04:53:04,793 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 04:53:04,987 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 04:53:04,988 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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 27 more)] === [2022-07-14 04:53:04,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:04,988 INFO L85 PathProgramCache]: Analyzing trace with hash 30076442, now seen corresponding path program 1 times [2022-07-14 04:53:04,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:04,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [93786569] [2022-07-14 04:53:04,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:04,989 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:04,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:04,991 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 04:53:04,992 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 04:53:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:05,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:53:05,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:06,051 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:53:06,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:06,052 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:06,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [93786569] [2022-07-14 04:53:06,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [93786569] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:06,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:06,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:06,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887287589] [2022-07-14 04:53:06,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:06,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:53:06,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:06,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:53:06,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:53:06,054 INFO L87 Difference]: Start difference. First operand 2129 states and 2978 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 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 04:53:06,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:06,139 INFO L93 Difference]: Finished difference Result 2129 states and 2978 transitions. [2022-07-14 04:53:06,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:53:06,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 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 73 [2022-07-14 04:53:06,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:06,149 INFO L225 Difference]: With dead ends: 2129 [2022-07-14 04:53:06,149 INFO L226 Difference]: Without dead ends: 2127 [2022-07-14 04:53:06,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:53:06,152 INFO L413 NwaCegarLoop]: 2958 mSDtfsCounter, 2897 mSDsluCounter, 2956 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2899 SdHoareTripleChecker+Valid, 5914 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 04:53:06,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2899 Valid, 5914 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:53:06,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2127 states. [2022-07-14 04:53:06,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2127 to 2127. [2022-07-14 04:53:06,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2127 states, 1425 states have (on average 1.2996491228070175) internal successors, (1852), 1510 states have internal predecessors, (1852), 563 states have call successors, (563), 114 states have call predecessors, (563), 113 states have return successors, (561), 529 states have call predecessors, (561), 561 states have call successors, (561) [2022-07-14 04:53:06,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 2976 transitions. [2022-07-14 04:53:06,212 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 2976 transitions. Word has length 73 [2022-07-14 04:53:06,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:06,213 INFO L495 AbstractCegarLoop]: Abstraction has 2127 states and 2976 transitions. [2022-07-14 04:53:06,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 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 04:53:06,214 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2976 transitions. [2022-07-14 04:53:06,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-14 04:53:06,214 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:06,214 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-14 04:53:06,239 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-14 04:53:06,428 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 04:53:06,429 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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 27 more)] === [2022-07-14 04:53:06,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:06,429 INFO L85 PathProgramCache]: Analyzing trace with hash 899638919, now seen corresponding path program 1 times [2022-07-14 04:53:06,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:06,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1880077306] [2022-07-14 04:53:06,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:06,431 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:06,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:06,432 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 04:53:06,433 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 04:53:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:07,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:53:07,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:07,543 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:53:07,543 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:07,543 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:07,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1880077306] [2022-07-14 04:53:07,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1880077306] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:07,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:07,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:07,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125407719] [2022-07-14 04:53:07,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:07,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:53:07,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:07,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:53:07,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:53:07,545 INFO L87 Difference]: Start difference. First operand 2127 states and 2976 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 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 04:53:07,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:07,624 INFO L93 Difference]: Finished difference Result 2127 states and 2976 transitions. [2022-07-14 04:53:07,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:53:07,624 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 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 79 [2022-07-14 04:53:07,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:07,632 INFO L225 Difference]: With dead ends: 2127 [2022-07-14 04:53:07,632 INFO L226 Difference]: Without dead ends: 2125 [2022-07-14 04:53:07,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:53:07,635 INFO L413 NwaCegarLoop]: 2956 mSDtfsCounter, 2889 mSDsluCounter, 2954 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2891 SdHoareTripleChecker+Valid, 5910 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 04:53:07,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2891 Valid, 5910 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:53:07,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2125 states. [2022-07-14 04:53:07,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2125 to 2125. [2022-07-14 04:53:07,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 1424 states have (on average 1.2991573033707866) internal successors, (1850), 1508 states have internal predecessors, (1850), 563 states have call successors, (563), 114 states have call predecessors, (563), 113 states have return successors, (561), 529 states have call predecessors, (561), 561 states have call successors, (561) [2022-07-14 04:53:07,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2974 transitions. [2022-07-14 04:53:07,688 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2974 transitions. Word has length 79 [2022-07-14 04:53:07,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:07,688 INFO L495 AbstractCegarLoop]: Abstraction has 2125 states and 2974 transitions. [2022-07-14 04:53:07,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 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 04:53:07,689 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2974 transitions. [2022-07-14 04:53:07,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-07-14 04:53:07,689 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:07,690 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-14 04:53:07,707 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 04:53:07,907 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 04:53:07,907 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__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 27 more)] === [2022-07-14 04:53:07,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:07,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1031673593, now seen corresponding path program 1 times [2022-07-14 04:53:07,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:07,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1726101241] [2022-07-14 04:53:07,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:07,909 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:07,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:07,910 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 04:53:07,911 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 04:53:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:08,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 27 conjunts are in the unsatisfiable core [2022-07-14 04:53:08,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:09,462 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 04:53:09,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:53:10,281 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-07-14 04:53:10,281 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:10,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1726101241] [2022-07-14 04:53:10,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1726101241] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 04:53:10,282 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 04:53:10,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 20 [2022-07-14 04:53:10,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267262564] [2022-07-14 04:53:10,282 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 04:53:10,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-14 04:53:10,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:10,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-14 04:53:10,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2022-07-14 04:53:10,284 INFO L87 Difference]: Start difference. First operand 2125 states and 2974 transitions. Second operand has 20 states, 19 states have (on average 2.8947368421052633) internal successors, (55), 18 states have internal predecessors, (55), 7 states have call successors, (16), 2 states have call predecessors, (16), 5 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) [2022-07-14 04:53:14,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:14,263 INFO L93 Difference]: Finished difference Result 3852 states and 5390 transitions. [2022-07-14 04:53:14,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-14 04:53:14,264 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 2.8947368421052633) internal successors, (55), 18 states have internal predecessors, (55), 7 states have call successors, (16), 2 states have call predecessors, (16), 5 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) Word has length 84 [2022-07-14 04:53:14,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:14,273 INFO L225 Difference]: With dead ends: 3852 [2022-07-14 04:53:14,273 INFO L226 Difference]: Without dead ends: 2185 [2022-07-14 04:53:14,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=235, Invalid=1097, Unknown=0, NotChecked=0, Total=1332 [2022-07-14 04:53:14,278 INFO L413 NwaCegarLoop]: 3000 mSDtfsCounter, 77 mSDsluCounter, 50451 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 53451 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:53:14,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 53451 Invalid, 1193 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [407 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-14 04:53:14,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2185 states. [2022-07-14 04:53:14,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2185 to 2127. [2022-07-14 04:53:14,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2127 states, 1426 states have (on average 1.2987377279102383) internal successors, (1852), 1510 states have internal predecessors, (1852), 563 states have call successors, (563), 114 states have call predecessors, (563), 113 states have return successors, (561), 529 states have call predecessors, (561), 561 states have call successors, (561) [2022-07-14 04:53:14,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 2976 transitions. [2022-07-14 04:53:14,349 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 2976 transitions. Word has length 84 [2022-07-14 04:53:14,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:14,350 INFO L495 AbstractCegarLoop]: Abstraction has 2127 states and 2976 transitions. [2022-07-14 04:53:14,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 2.8947368421052633) internal successors, (55), 18 states have internal predecessors, (55), 7 states have call successors, (16), 2 states have call predecessors, (16), 5 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) [2022-07-14 04:53:14,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2976 transitions. [2022-07-14 04:53:14,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-07-14 04:53:14,354 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:14,354 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-14 04:53:14,373 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 04:53:14,573 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 04:53:14,573 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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 27 more)] === [2022-07-14 04:53:14,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:14,574 INFO L85 PathProgramCache]: Analyzing trace with hash 939608448, now seen corresponding path program 1 times [2022-07-14 04:53:14,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:14,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126180771] [2022-07-14 04:53:14,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:14,575 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:14,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:14,576 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 04:53:14,576 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 04:53:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:15,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:53:15,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:15,726 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:53:15,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:15,726 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:15,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [126180771] [2022-07-14 04:53:15,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [126180771] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:15,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:15,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:15,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024814318] [2022-07-14 04:53:15,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:15,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:53:15,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:15,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:53:15,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:53:15,728 INFO L87 Difference]: Start difference. First operand 2127 states and 2976 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 04:53:15,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:15,809 INFO L93 Difference]: Finished difference Result 2127 states and 2976 transitions. [2022-07-14 04:53:15,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:53:15,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 85 [2022-07-14 04:53:15,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:15,819 INFO L225 Difference]: With dead ends: 2127 [2022-07-14 04:53:15,820 INFO L226 Difference]: Without dead ends: 2125 [2022-07-14 04:53:15,821 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 04:53:15,821 INFO L413 NwaCegarLoop]: 2954 mSDtfsCounter, 2881 mSDsluCounter, 2952 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2883 SdHoareTripleChecker+Valid, 5906 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 04:53:15,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2883 Valid, 5906 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:53:15,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2125 states. [2022-07-14 04:53:15,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2125 to 2125. [2022-07-14 04:53:15,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 1425 states have (on average 1.2982456140350878) internal successors, (1850), 1508 states have internal predecessors, (1850), 563 states have call successors, (563), 114 states have call predecessors, (563), 113 states have return successors, (561), 529 states have call predecessors, (561), 561 states have call successors, (561) [2022-07-14 04:53:15,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2974 transitions. [2022-07-14 04:53:15,879 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2974 transitions. Word has length 85 [2022-07-14 04:53:15,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:15,879 INFO L495 AbstractCegarLoop]: Abstraction has 2125 states and 2974 transitions. [2022-07-14 04:53:15,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 04:53:15,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2974 transitions. [2022-07-14 04:53:15,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-14 04:53:15,880 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:15,881 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-14 04:53:15,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 04:53:16,099 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 04:53:16,101 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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 27 more)] === [2022-07-14 04:53:16,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:16,101 INFO L85 PathProgramCache]: Analyzing trace with hash 646919525, now seen corresponding path program 1 times [2022-07-14 04:53:16,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:16,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518023311] [2022-07-14 04:53:16,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:16,102 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:16,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:16,103 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 04:53:16,105 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 04:53:16,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:16,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:53:16,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:17,179 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:53:17,179 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:17,179 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:17,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [518023311] [2022-07-14 04:53:17,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [518023311] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:17,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:17,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:17,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181965882] [2022-07-14 04:53:17,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:17,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:53:17,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:17,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:53:17,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:53:17,181 INFO L87 Difference]: Start difference. First operand 2125 states and 2974 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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 04:53:17,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:17,270 INFO L93 Difference]: Finished difference Result 2125 states and 2974 transitions. [2022-07-14 04:53:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:53:17,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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 91 [2022-07-14 04:53:17,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:17,280 INFO L225 Difference]: With dead ends: 2125 [2022-07-14 04:53:17,281 INFO L226 Difference]: Without dead ends: 2123 [2022-07-14 04:53:17,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:53:17,282 INFO L413 NwaCegarLoop]: 2952 mSDtfsCounter, 2873 mSDsluCounter, 2950 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2875 SdHoareTripleChecker+Valid, 5902 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 04:53:17,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2875 Valid, 5902 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:53:17,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2022-07-14 04:53:17,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 2123. [2022-07-14 04:53:17,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2123 states, 1424 states have (on average 1.297752808988764) internal successors, (1848), 1506 states have internal predecessors, (1848), 563 states have call successors, (563), 114 states have call predecessors, (563), 113 states have return successors, (561), 529 states have call predecessors, (561), 561 states have call successors, (561) [2022-07-14 04:53:17,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 2972 transitions. [2022-07-14 04:53:17,362 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 2972 transitions. Word has length 91 [2022-07-14 04:53:17,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:17,362 INFO L495 AbstractCegarLoop]: Abstraction has 2123 states and 2972 transitions. [2022-07-14 04:53:17,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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 04:53:17,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2972 transitions. [2022-07-14 04:53:17,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-14 04:53:17,364 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:17,364 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:53:17,382 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 04:53:17,571 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 04:53:17,571 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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 27 more)] === [2022-07-14 04:53:17,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:17,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1307078380, now seen corresponding path program 1 times [2022-07-14 04:53:17,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:17,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [500075024] [2022-07-14 04:53:17,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:17,573 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:17,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:17,574 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 04:53:17,576 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 04:53:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:18,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:53:18,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:18,746 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:53:18,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:18,746 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:18,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [500075024] [2022-07-14 04:53:18,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [500075024] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:18,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:18,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:18,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944739968] [2022-07-14 04:53:18,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:18,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:53:18,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:18,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:53:18,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:53:18,747 INFO L87 Difference]: Start difference. First operand 2123 states and 2972 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 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 04:53:18,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:18,817 INFO L93 Difference]: Finished difference Result 2123 states and 2972 transitions. [2022-07-14 04:53:18,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:53:18,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 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 97 [2022-07-14 04:53:18,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:18,825 INFO L225 Difference]: With dead ends: 2123 [2022-07-14 04:53:18,825 INFO L226 Difference]: Without dead ends: 2121 [2022-07-14 04:53:18,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:53:18,826 INFO L413 NwaCegarLoop]: 2950 mSDtfsCounter, 2865 mSDsluCounter, 2948 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2867 SdHoareTripleChecker+Valid, 5898 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 04:53:18,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2867 Valid, 5898 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:53:18,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2121 states. [2022-07-14 04:53:18,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2121 to 2121. [2022-07-14 04:53:18,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2121 states, 1423 states have (on average 1.297259311314125) internal successors, (1846), 1504 states have internal predecessors, (1846), 563 states have call successors, (563), 114 states have call predecessors, (563), 113 states have return successors, (561), 529 states have call predecessors, (561), 561 states have call successors, (561) [2022-07-14 04:53:18,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 2970 transitions. [2022-07-14 04:53:18,882 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 2970 transitions. Word has length 97 [2022-07-14 04:53:18,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:18,884 INFO L495 AbstractCegarLoop]: Abstraction has 2121 states and 2970 transitions. [2022-07-14 04:53:18,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 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 04:53:18,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2970 transitions. [2022-07-14 04:53:18,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-14 04:53:18,886 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:18,886 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-07-14 04:53:18,905 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 04:53:19,101 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 04:53:19,101 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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 27 more)] === [2022-07-14 04:53:19,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:19,101 INFO L85 PathProgramCache]: Analyzing trace with hash -500874874, now seen corresponding path program 1 times [2022-07-14 04:53:19,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:19,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1016337769] [2022-07-14 04:53:19,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:19,102 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:19,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:19,106 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 04:53:19,108 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 04:53:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:19,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 18 conjunts are in the unsatisfiable core [2022-07-14 04:53:19,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:20,102 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-14 04:53:20,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:53:20,698 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-07-14 04:53:20,698 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:20,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1016337769] [2022-07-14 04:53:20,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1016337769] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 04:53:20,698 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 04:53:20,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-07-14 04:53:20,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149456648] [2022-07-14 04:53:20,698 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 04:53:20,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 04:53:20,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:20,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 04:53:20,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-14 04:53:20,699 INFO L87 Difference]: Start difference. First operand 2121 states and 2970 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-14 04:53:21,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:21,765 INFO L93 Difference]: Finished difference Result 4229 states and 5932 transitions. [2022-07-14 04:53:21,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 04:53:21,767 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) Word has length 108 [2022-07-14 04:53:21,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:21,776 INFO L225 Difference]: With dead ends: 4229 [2022-07-14 04:53:21,776 INFO L226 Difference]: Without dead ends: 2145 [2022-07-14 04:53:21,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 206 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-07-14 04:53:21,782 INFO L413 NwaCegarLoop]: 2990 mSDtfsCounter, 771 mSDsluCounter, 16858 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1022 SdHoareTripleChecker+Valid, 19848 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-14 04:53:21,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1022 Valid, 19848 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-14 04:53:21,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2022-07-14 04:53:21,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 2121. [2022-07-14 04:53:21,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2121 states, 1423 states have (on average 1.2965565706254392) internal successors, (1845), 1503 states have internal predecessors, (1845), 563 states have call successors, (563), 114 states have call predecessors, (563), 113 states have return successors, (561), 529 states have call predecessors, (561), 561 states have call successors, (561) [2022-07-14 04:53:21,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 2969 transitions. [2022-07-14 04:53:21,847 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 2969 transitions. Word has length 108 [2022-07-14 04:53:21,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:21,848 INFO L495 AbstractCegarLoop]: Abstraction has 2121 states and 2969 transitions. [2022-07-14 04:53:21,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 3 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-14 04:53:21,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2969 transitions. [2022-07-14 04:53:21,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-14 04:53:21,849 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:21,849 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-07-14 04:53:21,869 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 04:53:22,066 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 04:53:22,067 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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 27 more)] === [2022-07-14 04:53:22,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:22,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1791612701, now seen corresponding path program 1 times [2022-07-14 04:53:22,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:22,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1802603448] [2022-07-14 04:53:22,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:22,068 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:22,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:22,069 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 04:53:22,070 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 04:53:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:22,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:53:22,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:23,331 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-14 04:53:23,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:23,331 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:23,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1802603448] [2022-07-14 04:53:23,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1802603448] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:23,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:23,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:23,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218688677] [2022-07-14 04:53:23,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:23,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:53:23,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:23,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:53:23,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:53:23,333 INFO L87 Difference]: Start difference. First operand 2121 states and 2969 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-14 04:53:23,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:23,490 INFO L93 Difference]: Finished difference Result 4344 states and 6027 transitions. [2022-07-14 04:53:23,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:53:23,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 112 [2022-07-14 04:53:23,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:23,500 INFO L225 Difference]: With dead ends: 4344 [2022-07-14 04:53:23,501 INFO L226 Difference]: Without dead ends: 2262 [2022-07-14 04:53:23,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 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 04:53:23,507 INFO L413 NwaCegarLoop]: 2949 mSDtfsCounter, 2815 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2815 SdHoareTripleChecker+Valid, 3136 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:53:23,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2815 Valid, 3136 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 04:53:23,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2262 states. [2022-07-14 04:53:23,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2262 to 2230. [2022-07-14 04:53:23,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2230 states, 1509 states have (on average 1.2882703777335984) internal successors, (1944), 1589 states have internal predecessors, (1944), 564 states have call successors, (564), 136 states have call predecessors, (564), 135 states have return successors, (562), 530 states have call predecessors, (562), 562 states have call successors, (562) [2022-07-14 04:53:23,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 2230 states and 3070 transitions. [2022-07-14 04:53:23,615 INFO L78 Accepts]: Start accepts. Automaton has 2230 states and 3070 transitions. Word has length 112 [2022-07-14 04:53:23,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:23,616 INFO L495 AbstractCegarLoop]: Abstraction has 2230 states and 3070 transitions. [2022-07-14 04:53:23,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-14 04:53:23,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 3070 transitions. [2022-07-14 04:53:23,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-14 04:53:23,618 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:23,618 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:53:23,640 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 04:53:23,831 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 04:53:23,831 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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 27 more)] === [2022-07-14 04:53:23,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:23,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1020705901, now seen corresponding path program 1 times [2022-07-14 04:53:23,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:23,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [47897020] [2022-07-14 04:53:23,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:23,833 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:23,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:23,836 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 04:53:23,837 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 04:53:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:24,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:53:24,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:25,090 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:53:25,090 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:25,090 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:25,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [47897020] [2022-07-14 04:53:25,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [47897020] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:25,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:25,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:25,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871525981] [2022-07-14 04:53:25,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:25,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:53:25,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:25,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:53:25,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:53:25,092 INFO L87 Difference]: Start difference. First operand 2230 states and 3070 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 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 04:53:25,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:25,181 INFO L93 Difference]: Finished difference Result 2230 states and 3070 transitions. [2022-07-14 04:53:25,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:53:25,181 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 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 103 [2022-07-14 04:53:25,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:25,189 INFO L225 Difference]: With dead ends: 2230 [2022-07-14 04:53:25,190 INFO L226 Difference]: Without dead ends: 2228 [2022-07-14 04:53:25,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:53:25,191 INFO L413 NwaCegarLoop]: 2946 mSDtfsCounter, 2859 mSDsluCounter, 2940 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2861 SdHoareTripleChecker+Valid, 5886 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 04:53:25,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2861 Valid, 5886 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:53:25,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2022-07-14 04:53:25,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 2228. [2022-07-14 04:53:25,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2228 states, 1508 states have (on average 1.2871352785145889) internal successors, (1941), 1587 states have internal predecessors, (1941), 564 states have call successors, (564), 136 states have call predecessors, (564), 135 states have return successors, (562), 530 states have call predecessors, (562), 562 states have call successors, (562) [2022-07-14 04:53:25,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 3067 transitions. [2022-07-14 04:53:25,269 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 3067 transitions. Word has length 103 [2022-07-14 04:53:25,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:25,271 INFO L495 AbstractCegarLoop]: Abstraction has 2228 states and 3067 transitions. [2022-07-14 04:53:25,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 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 04:53:25,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 3067 transitions. [2022-07-14 04:53:25,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-14 04:53:25,272 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:25,272 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:53:25,297 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 04:53:25,496 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 04:53:25,496 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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 27 more)] === [2022-07-14 04:53:25,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:25,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1645689226, now seen corresponding path program 1 times [2022-07-14 04:53:25,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:25,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1461531100] [2022-07-14 04:53:25,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:25,498 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:25,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:25,499 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 04:53:25,500 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 04:53:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:26,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:53:26,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:26,643 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:53:26,643 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:26,643 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:26,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1461531100] [2022-07-14 04:53:26,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1461531100] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:26,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:26,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:26,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916861426] [2022-07-14 04:53:26,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:26,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:53:26,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:26,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:53:26,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:53:26,645 INFO L87 Difference]: Start difference. First operand 2228 states and 3067 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 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 04:53:26,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:26,744 INFO L93 Difference]: Finished difference Result 2228 states and 3067 transitions. [2022-07-14 04:53:26,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:53:26,744 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 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 105 [2022-07-14 04:53:26,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:26,765 INFO L225 Difference]: With dead ends: 2228 [2022-07-14 04:53:26,766 INFO L226 Difference]: Without dead ends: 2226 [2022-07-14 04:53:26,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:53:26,767 INFO L413 NwaCegarLoop]: 2944 mSDtfsCounter, 2851 mSDsluCounter, 2942 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2853 SdHoareTripleChecker+Valid, 5886 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 04:53:26,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2853 Valid, 5886 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:53:26,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2226 states. [2022-07-14 04:53:26,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2226 to 2226. [2022-07-14 04:53:26,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2226 states, 1507 states have (on average 1.2859986728599868) internal successors, (1938), 1585 states have internal predecessors, (1938), 564 states have call successors, (564), 136 states have call predecessors, (564), 135 states have return successors, (562), 530 states have call predecessors, (562), 562 states have call successors, (562) [2022-07-14 04:53:26,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 2226 states and 3064 transitions. [2022-07-14 04:53:26,835 INFO L78 Accepts]: Start accepts. Automaton has 2226 states and 3064 transitions. Word has length 105 [2022-07-14 04:53:26,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:26,836 INFO L495 AbstractCegarLoop]: Abstraction has 2226 states and 3064 transitions. [2022-07-14 04:53:26,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 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 04:53:26,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 3064 transitions. [2022-07-14 04:53:26,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-14 04:53:26,837 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:26,837 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-07-14 04:53:26,864 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 04:53:27,051 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 04:53:27,051 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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 27 more)] === [2022-07-14 04:53:27,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:27,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1257847071, now seen corresponding path program 1 times [2022-07-14 04:53:27,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:27,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082364008] [2022-07-14 04:53:27,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:27,053 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:27,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:27,054 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 04:53:27,055 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 04:53:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:27,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:53:27,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:28,056 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-14 04:53:28,056 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:28,056 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:28,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082364008] [2022-07-14 04:53:28,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2082364008] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:28,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:28,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:28,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311890583] [2022-07-14 04:53:28,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:28,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:53:28,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:28,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:53:28,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:53:28,057 INFO L87 Difference]: Start difference. First operand 2226 states and 3064 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 04:53:28,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:28,208 INFO L93 Difference]: Finished difference Result 4409 states and 6070 transitions. [2022-07-14 04:53:28,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:53:28,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 118 [2022-07-14 04:53:28,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:28,216 INFO L225 Difference]: With dead ends: 4409 [2022-07-14 04:53:28,216 INFO L226 Difference]: Without dead ends: 2222 [2022-07-14 04:53:28,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 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 04:53:28,223 INFO L413 NwaCegarLoop]: 2940 mSDtfsCounter, 2913 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2913 SdHoareTripleChecker+Valid, 2940 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 04:53:28,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2913 Valid, 2940 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 04:53:28,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2222 states. [2022-07-14 04:53:28,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2222 to 2222. [2022-07-14 04:53:28,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2222 states, 1504 states have (on average 1.2852393617021276) internal successors, (1933), 1581 states have internal predecessors, (1933), 564 states have call successors, (564), 136 states have call predecessors, (564), 135 states have return successors, (562), 530 states have call predecessors, (562), 562 states have call successors, (562) [2022-07-14 04:53:28,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 2222 states and 3059 transitions. [2022-07-14 04:53:28,305 INFO L78 Accepts]: Start accepts. Automaton has 2222 states and 3059 transitions. Word has length 118 [2022-07-14 04:53:28,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:28,305 INFO L495 AbstractCegarLoop]: Abstraction has 2222 states and 3059 transitions. [2022-07-14 04:53:28,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 04:53:28,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2222 states and 3059 transitions. [2022-07-14 04:53:28,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-14 04:53:28,306 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:28,307 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:53:28,332 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 04:53:28,515 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 04:53:28,515 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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 27 more)] === [2022-07-14 04:53:28,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:28,516 INFO L85 PathProgramCache]: Analyzing trace with hash -906403881, now seen corresponding path program 1 times [2022-07-14 04:53:28,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:28,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268110745] [2022-07-14 04:53:28,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:28,517 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:28,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:28,518 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 04:53:28,519 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 04:53:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:29,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:53:29,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:29,707 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:53:29,708 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:29,708 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:29,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268110745] [2022-07-14 04:53:29,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1268110745] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:29,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:29,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:29,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756591685] [2022-07-14 04:53:29,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:29,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:53:29,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:29,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:53:29,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:53:29,709 INFO L87 Difference]: Start difference. First operand 2222 states and 3059 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 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 04:53:29,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:29,797 INFO L93 Difference]: Finished difference Result 2222 states and 3059 transitions. [2022-07-14 04:53:29,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:53:29,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 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 111 [2022-07-14 04:53:29,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:29,802 INFO L225 Difference]: With dead ends: 2222 [2022-07-14 04:53:29,802 INFO L226 Difference]: Without dead ends: 2220 [2022-07-14 04:53:29,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:53:29,803 INFO L413 NwaCegarLoop]: 2937 mSDtfsCounter, 2838 mSDsluCounter, 2935 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2840 SdHoareTripleChecker+Valid, 5872 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 04:53:29,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2840 Valid, 5872 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:53:29,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2220 states. [2022-07-14 04:53:29,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2220 to 2220. [2022-07-14 04:53:29,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2220 states, 1503 states have (on average 1.2840984697272122) internal successors, (1930), 1579 states have internal predecessors, (1930), 564 states have call successors, (564), 136 states have call predecessors, (564), 135 states have return successors, (562), 530 states have call predecessors, (562), 562 states have call successors, (562) [2022-07-14 04:53:29,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 2220 states and 3056 transitions. [2022-07-14 04:53:29,879 INFO L78 Accepts]: Start accepts. Automaton has 2220 states and 3056 transitions. Word has length 111 [2022-07-14 04:53:29,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:29,880 INFO L495 AbstractCegarLoop]: Abstraction has 2220 states and 3056 transitions. [2022-07-14 04:53:29,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 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 04:53:29,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 3056 transitions. [2022-07-14 04:53:29,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-14 04:53:29,881 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:29,881 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-07-14 04:53:29,912 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 04:53:30,095 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 04:53:30,095 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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 27 more)] === [2022-07-14 04:53:30,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:30,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1776112754, now seen corresponding path program 1 times [2022-07-14 04:53:30,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:30,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [276249975] [2022-07-14 04:53:30,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:30,097 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:30,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:30,098 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 04:53:30,098 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 04:53:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:30,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:53:30,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:31,102 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-14 04:53:31,102 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:31,102 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:31,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [276249975] [2022-07-14 04:53:31,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [276249975] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:31,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:31,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:31,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013431319] [2022-07-14 04:53:31,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:31,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:53:31,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:31,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:53:31,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:53:31,104 INFO L87 Difference]: Start difference. First operand 2220 states and 3056 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-14 04:53:31,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:31,282 INFO L93 Difference]: Finished difference Result 4397 states and 6054 transitions. [2022-07-14 04:53:31,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:53:31,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 124 [2022-07-14 04:53:31,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:31,288 INFO L225 Difference]: With dead ends: 4397 [2022-07-14 04:53:31,288 INFO L226 Difference]: Without dead ends: 2216 [2022-07-14 04:53:31,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 122 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 04:53:31,293 INFO L413 NwaCegarLoop]: 2933 mSDtfsCounter, 2904 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2904 SdHoareTripleChecker+Valid, 2933 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 04:53:31,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2904 Valid, 2933 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 04:53:31,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2216 states. [2022-07-14 04:53:31,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2216 to 2216. [2022-07-14 04:53:31,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2216 states, 1500 states have (on average 1.2833333333333334) internal successors, (1925), 1575 states have internal predecessors, (1925), 564 states have call successors, (564), 136 states have call predecessors, (564), 135 states have return successors, (562), 530 states have call predecessors, (562), 562 states have call successors, (562) [2022-07-14 04:53:31,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 3051 transitions. [2022-07-14 04:53:31,381 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 3051 transitions. Word has length 124 [2022-07-14 04:53:31,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:31,382 INFO L495 AbstractCegarLoop]: Abstraction has 2216 states and 3051 transitions. [2022-07-14 04:53:31,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-14 04:53:31,382 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 3051 transitions. [2022-07-14 04:53:31,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-14 04:53:31,383 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:31,383 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:53:31,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2022-07-14 04:53:31,603 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 04:53:31,603 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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 27 more)] === [2022-07-14 04:53:31,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:31,603 INFO L85 PathProgramCache]: Analyzing trace with hash -283647224, now seen corresponding path program 1 times [2022-07-14 04:53:31,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:31,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1995283] [2022-07-14 04:53:31,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:31,604 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:31,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:31,606 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 04:53:31,608 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 04:53:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:32,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 960 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:53:32,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:32,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:53:32,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:32,936 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:32,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1995283] [2022-07-14 04:53:32,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1995283] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:32,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:32,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:32,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853456245] [2022-07-14 04:53:32,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:32,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:53:32,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:32,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:53:32,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:53:32,937 INFO L87 Difference]: Start difference. First operand 2216 states and 3051 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 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 04:53:33,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:33,041 INFO L93 Difference]: Finished difference Result 2216 states and 3051 transitions. [2022-07-14 04:53:33,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:53:33,041 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 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 117 [2022-07-14 04:53:33,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:33,047 INFO L225 Difference]: With dead ends: 2216 [2022-07-14 04:53:33,047 INFO L226 Difference]: Without dead ends: 2214 [2022-07-14 04:53:33,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:53:33,049 INFO L413 NwaCegarLoop]: 2930 mSDtfsCounter, 2825 mSDsluCounter, 2928 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2827 SdHoareTripleChecker+Valid, 5858 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 04:53:33,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2827 Valid, 5858 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:53:33,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2022-07-14 04:53:33,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 2214. [2022-07-14 04:53:33,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2214 states, 1499 states have (on average 1.2821881254169447) internal successors, (1922), 1573 states have internal predecessors, (1922), 564 states have call successors, (564), 136 states have call predecessors, (564), 135 states have return successors, (562), 530 states have call predecessors, (562), 562 states have call successors, (562) [2022-07-14 04:53:33,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 3048 transitions. [2022-07-14 04:53:33,132 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 3048 transitions. Word has length 117 [2022-07-14 04:53:33,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:33,132 INFO L495 AbstractCegarLoop]: Abstraction has 2214 states and 3048 transitions. [2022-07-14 04:53:33,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 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 04:53:33,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 3048 transitions. [2022-07-14 04:53:33,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-14 04:53:33,134 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:33,134 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:53:33,153 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 04:53:33,350 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 04:53:33,350 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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 27 more)] === [2022-07-14 04:53:33,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:33,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1320011400, now seen corresponding path program 1 times [2022-07-14 04:53:33,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:33,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087005735] [2022-07-14 04:53:33,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:33,352 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:33,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:33,353 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 04:53:33,354 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 04:53:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:34,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:53:34,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:34,658 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:53:34,659 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:34,659 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:34,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087005735] [2022-07-14 04:53:34,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087005735] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:34,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:34,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:34,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866305263] [2022-07-14 04:53:34,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:34,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:53:34,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:34,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:53:34,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:53:34,661 INFO L87 Difference]: Start difference. First operand 2214 states and 3048 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 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 04:53:34,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:34,754 INFO L93 Difference]: Finished difference Result 2214 states and 3048 transitions. [2022-07-14 04:53:34,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:53:34,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 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 123 [2022-07-14 04:53:34,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:34,759 INFO L225 Difference]: With dead ends: 2214 [2022-07-14 04:53:34,759 INFO L226 Difference]: Without dead ends: 2212 [2022-07-14 04:53:34,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:53:34,760 INFO L413 NwaCegarLoop]: 2928 mSDtfsCounter, 2817 mSDsluCounter, 2926 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2819 SdHoareTripleChecker+Valid, 5854 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 04:53:34,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2819 Valid, 5854 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:53:34,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2212 states. [2022-07-14 04:53:34,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2212 to 2212. [2022-07-14 04:53:34,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2212 states, 1498 states have (on average 1.281041388518024) internal successors, (1919), 1571 states have internal predecessors, (1919), 564 states have call successors, (564), 136 states have call predecessors, (564), 135 states have return successors, (562), 530 states have call predecessors, (562), 562 states have call successors, (562) [2022-07-14 04:53:34,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 2212 states and 3045 transitions. [2022-07-14 04:53:34,842 INFO L78 Accepts]: Start accepts. Automaton has 2212 states and 3045 transitions. Word has length 123 [2022-07-14 04:53:34,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:34,843 INFO L495 AbstractCegarLoop]: Abstraction has 2212 states and 3045 transitions. [2022-07-14 04:53:34,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 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 04:53:34,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 3045 transitions. [2022-07-14 04:53:34,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-14 04:53:34,844 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:34,844 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:53:34,863 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 04:53:35,048 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 04:53:35,048 INFO L420 AbstractCegarLoop]: === Iteration 19 === 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 27 more)] === [2022-07-14 04:53:35,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:35,048 INFO L85 PathProgramCache]: Analyzing trace with hash 2123786986, now seen corresponding path program 1 times [2022-07-14 04:53:35,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:35,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [150915313] [2022-07-14 04:53:35,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:35,049 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:35,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:35,050 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 04:53:35,053 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 04:53:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:35,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:53:35,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:53:36,409 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:36,409 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:36,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [150915313] [2022-07-14 04:53:36,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [150915313] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:36,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:36,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:36,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352634759] [2022-07-14 04:53:36,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:36,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:53:36,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:36,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:53:36,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:53:36,412 INFO L87 Difference]: Start difference. First operand 2212 states and 3045 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 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 04:53:36,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:36,527 INFO L93 Difference]: Finished difference Result 2212 states and 3045 transitions. [2022-07-14 04:53:36,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:53:36,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 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 129 [2022-07-14 04:53:36,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:36,533 INFO L225 Difference]: With dead ends: 2212 [2022-07-14 04:53:36,533 INFO L226 Difference]: Without dead ends: 2210 [2022-07-14 04:53:36,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:53:36,534 INFO L413 NwaCegarLoop]: 2926 mSDtfsCounter, 2809 mSDsluCounter, 2924 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2811 SdHoareTripleChecker+Valid, 5850 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 04:53:36,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2811 Valid, 5850 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:53:36,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2210 states. [2022-07-14 04:53:36,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2210 to 2210. [2022-07-14 04:53:36,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2210 states, 1497 states have (on average 1.2798931195724783) internal successors, (1916), 1569 states have internal predecessors, (1916), 564 states have call successors, (564), 136 states have call predecessors, (564), 135 states have return successors, (562), 530 states have call predecessors, (562), 562 states have call successors, (562) [2022-07-14 04:53:36,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 2210 states and 3042 transitions. [2022-07-14 04:53:36,625 INFO L78 Accepts]: Start accepts. Automaton has 2210 states and 3042 transitions. Word has length 129 [2022-07-14 04:53:36,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:36,626 INFO L495 AbstractCegarLoop]: Abstraction has 2210 states and 3042 transitions. [2022-07-14 04:53:36,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 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 04:53:36,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 3042 transitions. [2022-07-14 04:53:36,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-07-14 04:53:36,627 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:36,628 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 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] [2022-07-14 04:53:36,649 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 04:53:36,839 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 04:53:36,840 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_mutex__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 27 more)] === [2022-07-14 04:53:36,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:36,840 INFO L85 PathProgramCache]: Analyzing trace with hash -441552089, now seen corresponding path program 1 times [2022-07-14 04:53:36,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:36,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [50336186] [2022-07-14 04:53:36,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:36,841 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:36,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:36,843 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 04:53:36,860 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 04:53:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:37,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 1122 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 04:53:37,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:38,438 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-07-14 04:53:38,438 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:38,438 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:38,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [50336186] [2022-07-14 04:53:38,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [50336186] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:38,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:38,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:53:38,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057290226] [2022-07-14 04:53:38,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:38,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:53:38,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:38,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:53:38,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:53:38,439 INFO L87 Difference]: Start difference. First operand 2210 states and 3042 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-14 04:53:38,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:38,633 INFO L93 Difference]: Finished difference Result 2229 states and 3057 transitions. [2022-07-14 04:53:38,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:53:38,633 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 144 [2022-07-14 04:53:38,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:38,639 INFO L225 Difference]: With dead ends: 2229 [2022-07-14 04:53:38,639 INFO L226 Difference]: Without dead ends: 2227 [2022-07-14 04:53:38,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 140 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 04:53:38,640 INFO L413 NwaCegarLoop]: 2933 mSDtfsCounter, 2814 mSDsluCounter, 5893 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2815 SdHoareTripleChecker+Valid, 8826 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:53:38,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2815 Valid, 8826 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:53:38,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2022-07-14 04:53:38,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 2225. [2022-07-14 04:53:38,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2225 states, 1508 states have (on average 1.2785145888594165) internal successors, (1928), 1580 states have internal predecessors, (1928), 564 states have call successors, (564), 140 states have call predecessors, (564), 139 states have return successors, (562), 530 states have call predecessors, (562), 562 states have call successors, (562) [2022-07-14 04:53:38,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 2225 states and 3054 transitions. [2022-07-14 04:53:38,775 INFO L78 Accepts]: Start accepts. Automaton has 2225 states and 3054 transitions. Word has length 144 [2022-07-14 04:53:38,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:38,776 INFO L495 AbstractCegarLoop]: Abstraction has 2225 states and 3054 transitions. [2022-07-14 04:53:38,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-07-14 04:53:38,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 3054 transitions. [2022-07-14 04:53:38,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-07-14 04:53:38,778 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:38,778 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:53:38,801 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 04:53:38,983 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 04:53:38,983 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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 27 more)] === [2022-07-14 04:53:38,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:38,984 INFO L85 PathProgramCache]: Analyzing trace with hash 847759442, now seen corresponding path program 1 times [2022-07-14 04:53:38,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:38,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1228242180] [2022-07-14 04:53:38,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:38,985 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:38,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:38,986 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 04:53:38,987 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 04:53:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:39,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:53:39,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:40,381 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:53:40,381 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:40,381 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:40,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1228242180] [2022-07-14 04:53:40,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1228242180] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:40,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:40,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:40,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435438692] [2022-07-14 04:53:40,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:40,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:53:40,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:40,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:53:40,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:53:40,382 INFO L87 Difference]: Start difference. First operand 2225 states and 3054 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 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 04:53:40,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:40,485 INFO L93 Difference]: Finished difference Result 2225 states and 3054 transitions. [2022-07-14 04:53:40,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:53:40,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 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 135 [2022-07-14 04:53:40,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:40,490 INFO L225 Difference]: With dead ends: 2225 [2022-07-14 04:53:40,490 INFO L226 Difference]: Without dead ends: 2223 [2022-07-14 04:53:40,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:53:40,492 INFO L413 NwaCegarLoop]: 2924 mSDtfsCounter, 2801 mSDsluCounter, 2922 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2803 SdHoareTripleChecker+Valid, 5846 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 04:53:40,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2803 Valid, 5846 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:53:40,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2223 states. [2022-07-14 04:53:40,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2223 to 2223. [2022-07-14 04:53:40,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2223 states, 1507 states have (on average 1.2773722627737227) internal successors, (1925), 1578 states have internal predecessors, (1925), 564 states have call successors, (564), 140 states have call predecessors, (564), 139 states have return successors, (562), 530 states have call predecessors, (562), 562 states have call successors, (562) [2022-07-14 04:53:40,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 2223 states and 3051 transitions. [2022-07-14 04:53:40,575 INFO L78 Accepts]: Start accepts. Automaton has 2223 states and 3051 transitions. Word has length 135 [2022-07-14 04:53:40,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:40,575 INFO L495 AbstractCegarLoop]: Abstraction has 2223 states and 3051 transitions. [2022-07-14 04:53:40,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 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 04:53:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 3051 transitions. [2022-07-14 04:53:40,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-07-14 04:53:40,576 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:40,576 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 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] [2022-07-14 04:53:40,613 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 04:53:40,785 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 04:53:40,786 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_mutex__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 27 more)] === [2022-07-14 04:53:40,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:40,786 INFO L85 PathProgramCache]: Analyzing trace with hash 881503017, now seen corresponding path program 1 times [2022-07-14 04:53:40,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:40,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [261428912] [2022-07-14 04:53:40,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:40,787 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:40,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:40,788 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 04:53:40,789 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 04:53:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:41,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 1143 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 04:53:41,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:41,759 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-07-14 04:53:41,759 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:41,759 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:41,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [261428912] [2022-07-14 04:53:41,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [261428912] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:41,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:41,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:53:41,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677338946] [2022-07-14 04:53:41,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:41,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:53:41,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:41,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:53:41,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:53:41,760 INFO L87 Difference]: Start difference. First operand 2223 states and 3051 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-07-14 04:53:42,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:42,013 INFO L93 Difference]: Finished difference Result 2225 states and 3052 transitions. [2022-07-14 04:53:42,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:53:42,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 155 [2022-07-14 04:53:42,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:42,023 INFO L225 Difference]: With dead ends: 2225 [2022-07-14 04:53:42,023 INFO L226 Difference]: Without dead ends: 2223 [2022-07-14 04:53:42,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 151 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 04:53:42,025 INFO L413 NwaCegarLoop]: 2925 mSDtfsCounter, 27 mSDsluCounter, 8750 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 11675 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:53:42,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 11675 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 04:53:42,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2223 states. [2022-07-14 04:53:42,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2223 to 2223. [2022-07-14 04:53:42,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2223 states, 1507 states have (on average 1.2760451227604512) internal successors, (1923), 1578 states have internal predecessors, (1923), 564 states have call successors, (564), 140 states have call predecessors, (564), 139 states have return successors, (562), 530 states have call predecessors, (562), 562 states have call successors, (562) [2022-07-14 04:53:42,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 2223 states and 3049 transitions. [2022-07-14 04:53:42,126 INFO L78 Accepts]: Start accepts. Automaton has 2223 states and 3049 transitions. Word has length 155 [2022-07-14 04:53:42,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:42,126 INFO L495 AbstractCegarLoop]: Abstraction has 2223 states and 3049 transitions. [2022-07-14 04:53:42,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-07-14 04:53:42,126 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 3049 transitions. [2022-07-14 04:53:42,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-14 04:53:42,127 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:42,128 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:53:42,153 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 04:53:42,340 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 04:53:42,340 INFO L420 AbstractCegarLoop]: === Iteration 23 === 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 27 more)] === [2022-07-14 04:53:42,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:42,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1184548556, now seen corresponding path program 1 times [2022-07-14 04:53:42,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:42,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1091320114] [2022-07-14 04:53:42,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:42,341 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:42,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:42,343 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 04:53:42,345 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 04:53:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:43,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:53:43,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:43,743 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:53:43,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:43,743 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:43,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1091320114] [2022-07-14 04:53:43,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1091320114] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:43,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:43,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:43,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500182754] [2022-07-14 04:53:43,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:43,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:53:43,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:43,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:53:43,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:53:43,745 INFO L87 Difference]: Start difference. First operand 2223 states and 3049 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 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 04:53:43,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:43,871 INFO L93 Difference]: Finished difference Result 2223 states and 3049 transitions. [2022-07-14 04:53:43,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:53:43,871 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 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 141 [2022-07-14 04:53:43,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:43,876 INFO L225 Difference]: With dead ends: 2223 [2022-07-14 04:53:43,876 INFO L226 Difference]: Without dead ends: 2221 [2022-07-14 04:53:43,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:53:43,877 INFO L413 NwaCegarLoop]: 2922 mSDtfsCounter, 2793 mSDsluCounter, 2920 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2795 SdHoareTripleChecker+Valid, 5842 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 04:53:43,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2795 Valid, 5842 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:53:43,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2221 states. [2022-07-14 04:53:43,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2221 to 2221. [2022-07-14 04:53:43,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2221 states, 1506 states have (on average 1.2749003984063745) internal successors, (1920), 1576 states have internal predecessors, (1920), 564 states have call successors, (564), 140 states have call predecessors, (564), 139 states have return successors, (562), 530 states have call predecessors, (562), 562 states have call successors, (562) [2022-07-14 04:53:43,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 2221 states and 3046 transitions. [2022-07-14 04:53:43,962 INFO L78 Accepts]: Start accepts. Automaton has 2221 states and 3046 transitions. Word has length 141 [2022-07-14 04:53:43,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:43,963 INFO L495 AbstractCegarLoop]: Abstraction has 2221 states and 3046 transitions. [2022-07-14 04:53:43,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 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 04:53:43,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2221 states and 3046 transitions. [2022-07-14 04:53:43,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-14 04:53:43,964 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:43,964 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:53:43,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Ended with exit code 0 [2022-07-14 04:53:44,168 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 04:53:44,169 INFO L420 AbstractCegarLoop]: === Iteration 24 === 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 27 more)] === [2022-07-14 04:53:44,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:44,169 INFO L85 PathProgramCache]: Analyzing trace with hash 2065504485, now seen corresponding path program 1 times [2022-07-14 04:53:44,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:44,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [961152490] [2022-07-14 04:53:44,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:44,170 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:44,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:44,171 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 04:53:44,172 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 04:53:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:44,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:53:44,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:45,557 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:53:45,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:45,558 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:45,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [961152490] [2022-07-14 04:53:45,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [961152490] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:45,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:45,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:45,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516652488] [2022-07-14 04:53:45,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:45,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:53:45,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:45,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:53:45,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:53:45,560 INFO L87 Difference]: Start difference. First operand 2221 states and 3046 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 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 04:53:45,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:45,669 INFO L93 Difference]: Finished difference Result 2221 states and 3046 transitions. [2022-07-14 04:53:45,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:53:45,670 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 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 147 [2022-07-14 04:53:45,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:45,675 INFO L225 Difference]: With dead ends: 2221 [2022-07-14 04:53:45,675 INFO L226 Difference]: Without dead ends: 2219 [2022-07-14 04:53:45,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:53:45,676 INFO L413 NwaCegarLoop]: 2920 mSDtfsCounter, 2785 mSDsluCounter, 2918 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2787 SdHoareTripleChecker+Valid, 5838 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 04:53:45,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2787 Valid, 5838 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:53:45,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2219 states. [2022-07-14 04:53:45,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2219 to 2219. [2022-07-14 04:53:45,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2219 states, 1505 states have (on average 1.2737541528239202) internal successors, (1917), 1574 states have internal predecessors, (1917), 564 states have call successors, (564), 140 states have call predecessors, (564), 139 states have return successors, (562), 530 states have call predecessors, (562), 562 states have call successors, (562) [2022-07-14 04:53:45,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 2219 states and 3043 transitions. [2022-07-14 04:53:45,798 INFO L78 Accepts]: Start accepts. Automaton has 2219 states and 3043 transitions. Word has length 147 [2022-07-14 04:53:45,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:45,798 INFO L495 AbstractCegarLoop]: Abstraction has 2219 states and 3043 transitions. [2022-07-14 04:53:45,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 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 04:53:45,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2219 states and 3043 transitions. [2022-07-14 04:53:45,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-07-14 04:53:45,800 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:45,800 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:53:45,825 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 04:53:46,017 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 04:53:46,018 INFO L420 AbstractCegarLoop]: === Iteration 25 === 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 27 more)] === [2022-07-14 04:53:46,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:46,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1212186328, now seen corresponding path program 1 times [2022-07-14 04:53:46,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:46,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217245133] [2022-07-14 04:53:46,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:46,019 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:46,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:46,020 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 04:53:46,022 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 04:53:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:46,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:53:46,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:47,430 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:53:47,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:47,431 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:47,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217245133] [2022-07-14 04:53:47,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1217245133] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:47,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:47,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:47,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142007703] [2022-07-14 04:53:47,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:47,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:53:47,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:47,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:53:47,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:53:47,432 INFO L87 Difference]: Start difference. First operand 2219 states and 3043 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 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 04:53:47,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:47,550 INFO L93 Difference]: Finished difference Result 2219 states and 3043 transitions. [2022-07-14 04:53:47,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:53:47,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 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 153 [2022-07-14 04:53:47,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:47,557 INFO L225 Difference]: With dead ends: 2219 [2022-07-14 04:53:47,557 INFO L226 Difference]: Without dead ends: 2217 [2022-07-14 04:53:47,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:53:47,558 INFO L413 NwaCegarLoop]: 2918 mSDtfsCounter, 2777 mSDsluCounter, 2916 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2779 SdHoareTripleChecker+Valid, 5834 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 04:53:47,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2779 Valid, 5834 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:53:47,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2022-07-14 04:53:47,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 2217. [2022-07-14 04:53:47,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2217 states, 1504 states have (on average 1.2726063829787233) internal successors, (1914), 1572 states have internal predecessors, (1914), 564 states have call successors, (564), 140 states have call predecessors, (564), 139 states have return successors, (562), 530 states have call predecessors, (562), 562 states have call successors, (562) [2022-07-14 04:53:47,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 2217 states and 3040 transitions. [2022-07-14 04:53:47,678 INFO L78 Accepts]: Start accepts. Automaton has 2217 states and 3040 transitions. Word has length 153 [2022-07-14 04:53:47,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:47,679 INFO L495 AbstractCegarLoop]: Abstraction has 2217 states and 3040 transitions. [2022-07-14 04:53:47,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 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 04:53:47,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 3040 transitions. [2022-07-14 04:53:47,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-07-14 04:53:47,680 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:47,681 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:53:47,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2022-07-14 04:53:47,895 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 04:53:47,896 INFO L420 AbstractCegarLoop]: === Iteration 26 === 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 27 more)] === [2022-07-14 04:53:47,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:47,896 INFO L85 PathProgramCache]: Analyzing trace with hash 903145121, now seen corresponding path program 1 times [2022-07-14 04:53:47,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:47,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [850292577] [2022-07-14 04:53:47,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:47,897 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:47,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:47,899 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 04:53:47,900 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 04:53:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:48,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:53:48,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:49,375 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:53:49,375 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:49,375 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:49,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [850292577] [2022-07-14 04:53:49,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [850292577] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:49,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:49,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:49,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903708246] [2022-07-14 04:53:49,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:49,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:53:49,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:49,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:53:49,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:53:49,377 INFO L87 Difference]: Start difference. First operand 2217 states and 3040 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 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 04:53:49,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:49,492 INFO L93 Difference]: Finished difference Result 2217 states and 3040 transitions. [2022-07-14 04:53:49,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:53:49,493 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 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 159 [2022-07-14 04:53:49,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:49,498 INFO L225 Difference]: With dead ends: 2217 [2022-07-14 04:53:49,498 INFO L226 Difference]: Without dead ends: 2215 [2022-07-14 04:53:49,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:53:49,499 INFO L413 NwaCegarLoop]: 2916 mSDtfsCounter, 2769 mSDsluCounter, 2914 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2771 SdHoareTripleChecker+Valid, 5830 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 04:53:49,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2771 Valid, 5830 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:53:49,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2215 states. [2022-07-14 04:53:49,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2215 to 2215. [2022-07-14 04:53:49,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2215 states, 1503 states have (on average 1.2714570858283434) internal successors, (1911), 1570 states have internal predecessors, (1911), 564 states have call successors, (564), 140 states have call predecessors, (564), 139 states have return successors, (562), 530 states have call predecessors, (562), 562 states have call successors, (562) [2022-07-14 04:53:49,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 2215 states and 3037 transitions. [2022-07-14 04:53:49,618 INFO L78 Accepts]: Start accepts. Automaton has 2215 states and 3037 transitions. Word has length 159 [2022-07-14 04:53:49,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:49,619 INFO L495 AbstractCegarLoop]: Abstraction has 2215 states and 3037 transitions. [2022-07-14 04:53:49,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 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 04:53:49,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2215 states and 3037 transitions. [2022-07-14 04:53:49,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-14 04:53:49,620 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:49,620 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:53:49,637 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 04:53:49,820 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 04:53:49,821 INFO L420 AbstractCegarLoop]: === Iteration 27 === 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 27 more)] === [2022-07-14 04:53:49,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:49,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1741248427, now seen corresponding path program 1 times [2022-07-14 04:53:49,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:49,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [626551090] [2022-07-14 04:53:49,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:49,822 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:49,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:49,823 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 04:53:49,824 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 04:53:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:50,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:53:50,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:51,359 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:53:51,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:51,359 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:51,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [626551090] [2022-07-14 04:53:51,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [626551090] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:51,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:51,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:51,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641960068] [2022-07-14 04:53:51,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:51,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:53:51,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:51,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:53:51,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:53:51,361 INFO L87 Difference]: Start difference. First operand 2215 states and 3037 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 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 04:53:51,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:51,510 INFO L93 Difference]: Finished difference Result 2215 states and 3037 transitions. [2022-07-14 04:53:51,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:53:51,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 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 165 [2022-07-14 04:53:51,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:51,516 INFO L225 Difference]: With dead ends: 2215 [2022-07-14 04:53:51,516 INFO L226 Difference]: Without dead ends: 2213 [2022-07-14 04:53:51,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:53:51,517 INFO L413 NwaCegarLoop]: 2914 mSDtfsCounter, 2761 mSDsluCounter, 2912 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2763 SdHoareTripleChecker+Valid, 5826 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 04:53:51,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2763 Valid, 5826 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:53:51,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2022-07-14 04:53:51,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2213. [2022-07-14 04:53:51,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2213 states, 1502 states have (on average 1.270306258322237) internal successors, (1908), 1568 states have internal predecessors, (1908), 564 states have call successors, (564), 140 states have call predecessors, (564), 139 states have return successors, (562), 530 states have call predecessors, (562), 562 states have call successors, (562) [2022-07-14 04:53:51,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 3034 transitions. [2022-07-14 04:53:51,690 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 3034 transitions. Word has length 165 [2022-07-14 04:53:51,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:51,691 INFO L495 AbstractCegarLoop]: Abstraction has 2213 states and 3034 transitions. [2022-07-14 04:53:51,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 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 04:53:51,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 3034 transitions. [2022-07-14 04:53:51,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-14 04:53:51,697 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:51,697 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:53:51,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (28)] Ended with exit code 0 [2022-07-14 04:53:51,897 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 04:53:51,898 INFO L420 AbstractCegarLoop]: === Iteration 28 === 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 27 more)] === [2022-07-14 04:53:51,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:51,898 INFO L85 PathProgramCache]: Analyzing trace with hash 565245805, now seen corresponding path program 1 times [2022-07-14 04:53:51,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:51,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1227651487] [2022-07-14 04:53:51,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:51,899 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:51,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:51,901 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 04:53:51,902 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 04:53:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:52,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:53:52,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:53,421 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:53:53,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:53,421 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:53,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1227651487] [2022-07-14 04:53:53,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1227651487] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:53,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:53,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:53:53,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562521842] [2022-07-14 04:53:53,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:53,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:53:53,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:53,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:53:53,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:53:53,423 INFO L87 Difference]: Start difference. First operand 2213 states and 3034 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 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 04:53:53,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:53,568 INFO L93 Difference]: Finished difference Result 2213 states and 3034 transitions. [2022-07-14 04:53:53,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:53:53,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 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 171 [2022-07-14 04:53:53,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:53,574 INFO L225 Difference]: With dead ends: 2213 [2022-07-14 04:53:53,574 INFO L226 Difference]: Without dead ends: 2211 [2022-07-14 04:53:53,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:53:53,576 INFO L413 NwaCegarLoop]: 2912 mSDtfsCounter, 2753 mSDsluCounter, 2910 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2755 SdHoareTripleChecker+Valid, 5822 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 04:53:53,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2755 Valid, 5822 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:53:53,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2022-07-14 04:53:53,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2022-07-14 04:53:53,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2211 states, 1501 states have (on average 1.2691538974017322) internal successors, (1905), 1566 states have internal predecessors, (1905), 564 states have call successors, (564), 140 states have call predecessors, (564), 139 states have return successors, (562), 530 states have call predecessors, (562), 562 states have call successors, (562) [2022-07-14 04:53:53,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 3031 transitions. [2022-07-14 04:53:53,734 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 3031 transitions. Word has length 171 [2022-07-14 04:53:53,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:53,735 INFO L495 AbstractCegarLoop]: Abstraction has 2211 states and 3031 transitions. [2022-07-14 04:53:53,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 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 04:53:53,735 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 3031 transitions. [2022-07-14 04:53:53,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-14 04:53:53,737 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:53,737 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 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] [2022-07-14 04:53:53,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (29)] Ended with exit code 0 [2022-07-14 04:53:53,951 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 04:53:53,951 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_mutex__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 27 more)] === [2022-07-14 04:53:53,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:53,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1132240358, now seen corresponding path program 1 times [2022-07-14 04:53:53,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:53,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1208824919] [2022-07-14 04:53:53,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:53,953 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:53,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:53,955 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 04:53:53,955 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 04:53:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:54,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 1310 conjuncts, 22 conjunts are in the unsatisfiable core [2022-07-14 04:53:54,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:53:55,499 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-07-14 04:53:55,499 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:53:55,499 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:53:55,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1208824919] [2022-07-14 04:53:55,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1208824919] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:53:55,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:53:55,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-07-14 04:53:55,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077533843] [2022-07-14 04:53:55,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:53:55,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-14 04:53:55,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:53:55,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-14 04:53:55,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-07-14 04:53:55,501 INFO L87 Difference]: Start difference. First operand 2211 states and 3031 transitions. Second operand has 15 states, 14 states have (on average 6.571428571428571) internal successors, (92), 13 states have internal predecessors, (92), 6 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (27), 7 states have call predecessors, (27), 6 states have call successors, (27) [2022-07-14 04:53:58,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:53:58,891 INFO L93 Difference]: Finished difference Result 5071 states and 7087 transitions. [2022-07-14 04:53:58,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-14 04:53:58,892 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.571428571428571) internal successors, (92), 13 states have internal predecessors, (92), 6 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (27), 7 states have call predecessors, (27), 6 states have call successors, (27) Word has length 187 [2022-07-14 04:53:58,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:53:58,899 INFO L225 Difference]: With dead ends: 5071 [2022-07-14 04:53:58,899 INFO L226 Difference]: Without dead ends: 2898 [2022-07-14 04:53:58,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=115, Invalid=587, Unknown=0, NotChecked=0, Total=702 [2022-07-14 04:53:58,904 INFO L413 NwaCegarLoop]: 3936 mSDtfsCounter, 3481 mSDsluCounter, 45630 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 1303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3691 SdHoareTripleChecker+Valid, 49566 SdHoareTripleChecker+Invalid, 1935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1303 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:53:58,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3691 Valid, 49566 Invalid, 1935 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1303 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-14 04:53:58,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2898 states. [2022-07-14 04:53:59,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2898 to 2228. [2022-07-14 04:53:59,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2228 states, 1513 states have (on average 1.2670191672174487) internal successors, (1917), 1578 states have internal predecessors, (1917), 568 states have call successors, (568), 140 states have call predecessors, (568), 140 states have return successors, (568), 535 states have call predecessors, (568), 566 states have call successors, (568) [2022-07-14 04:53:59,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 3053 transitions. [2022-07-14 04:53:59,053 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 3053 transitions. Word has length 187 [2022-07-14 04:53:59,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:53:59,053 INFO L495 AbstractCegarLoop]: Abstraction has 2228 states and 3053 transitions. [2022-07-14 04:53:59,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.571428571428571) internal successors, (92), 13 states have internal predecessors, (92), 6 states have call successors, (30), 2 states have call predecessors, (30), 5 states have return successors, (27), 7 states have call predecessors, (27), 6 states have call successors, (27) [2022-07-14 04:53:59,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 3053 transitions. [2022-07-14 04:53:59,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-07-14 04:53:59,055 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:53:59,055 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:53:59,077 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 04:53:59,255 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 04:53:59,255 INFO L420 AbstractCegarLoop]: === Iteration 30 === 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 27 more)] === [2022-07-14 04:53:59,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:53:59,256 INFO L85 PathProgramCache]: Analyzing trace with hash -307449643, now seen corresponding path program 1 times [2022-07-14 04:53:59,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:53:59,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1390842081] [2022-07-14 04:53:59,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:53:59,257 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:53:59,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:53:59,258 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 04:53:59,259 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 04:53:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:53:59,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 1050 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:53:59,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:54:00,770 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-14 04:54:00,772 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:54:00,772 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:54:00,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1390842081] [2022-07-14 04:54:00,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1390842081] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:54:00,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:54:00,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:54:00,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725763241] [2022-07-14 04:54:00,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:54:00,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:54:00,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:54:00,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:54:00,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:54:00,773 INFO L87 Difference]: Start difference. First operand 2228 states and 3053 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 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 04:54:00,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:54:00,921 INFO L93 Difference]: Finished difference Result 2228 states and 3053 transitions. [2022-07-14 04:54:00,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:54:00,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 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 177 [2022-07-14 04:54:00,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:54:00,925 INFO L225 Difference]: With dead ends: 2228 [2022-07-14 04:54:00,926 INFO L226 Difference]: Without dead ends: 1908 [2022-07-14 04:54:00,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:54:00,927 INFO L413 NwaCegarLoop]: 2911 mSDtfsCounter, 2744 mSDsluCounter, 2911 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2744 SdHoareTripleChecker+Valid, 5822 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 04:54:00,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2744 Valid, 5822 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:54:00,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-07-14 04:54:01,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1908. [2022-07-14 04:54:01,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1908 states, 1291 states have (on average 1.3051897753679318) internal successors, (1685), 1353 states have internal predecessors, (1685), 512 states have call successors, (512), 98 states have call predecessors, (512), 99 states have return successors, (514), 481 states have call predecessors, (514), 512 states have call successors, (514) [2022-07-14 04:54:01,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1908 states and 2711 transitions. [2022-07-14 04:54:01,059 INFO L78 Accepts]: Start accepts. Automaton has 1908 states and 2711 transitions. Word has length 177 [2022-07-14 04:54:01,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:54:01,059 INFO L495 AbstractCegarLoop]: Abstraction has 1908 states and 2711 transitions. [2022-07-14 04:54:01,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 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 04:54:01,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2711 transitions. [2022-07-14 04:54:01,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-07-14 04:54:01,061 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:54:01,061 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 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] [2022-07-14 04:54:01,077 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (31)] Ended with exit code 0 [2022-07-14 04:54:01,271 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 04:54:01,272 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_mutex__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 27 more)] === [2022-07-14 04:54:01,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:54:01,272 INFO L85 PathProgramCache]: Analyzing trace with hash 695055497, now seen corresponding path program 1 times [2022-07-14 04:54:01,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:54:01,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [555126273] [2022-07-14 04:54:01,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:54:01,273 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:54:01,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:54:01,274 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 04:54:01,275 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 04:54:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:02,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-14 04:54:02,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:54:02,532 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-07-14 04:54:02,533 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:54:02,533 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:54:02,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [555126273] [2022-07-14 04:54:02,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [555126273] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:54:02,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:54:02,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:54:02,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799045077] [2022-07-14 04:54:02,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:54:02,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:54:02,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:54:02,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:54:02,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:54:02,534 INFO L87 Difference]: Start difference. First operand 1908 states and 2711 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-14 04:54:02,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:54:02,818 INFO L93 Difference]: Finished difference Result 3802 states and 5428 transitions. [2022-07-14 04:54:02,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:54:02,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) Word has length 199 [2022-07-14 04:54:02,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:54:02,841 INFO L225 Difference]: With dead ends: 3802 [2022-07-14 04:54:02,841 INFO L226 Difference]: Without dead ends: 1917 [2022-07-14 04:54:02,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 194 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 04:54:02,847 INFO L413 NwaCegarLoop]: 2679 mSDtfsCounter, 7 mSDsluCounter, 10701 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 13380 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:54:02,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 13380 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 04:54:02,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2022-07-14 04:54:02,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1913. [2022-07-14 04:54:02,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1913 states, 1295 states have (on average 1.3042471042471042) internal successors, (1689), 1357 states have internal predecessors, (1689), 512 states have call successors, (512), 98 states have call predecessors, (512), 100 states have return successors, (516), 482 states have call predecessors, (516), 512 states have call successors, (516) [2022-07-14 04:54:02,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 2717 transitions. [2022-07-14 04:54:02,988 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 2717 transitions. Word has length 199 [2022-07-14 04:54:02,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:54:02,988 INFO L495 AbstractCegarLoop]: Abstraction has 1913 states and 2717 transitions. [2022-07-14 04:54:02,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 5 states have internal predecessors, (100), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-14 04:54:02,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2717 transitions. [2022-07-14 04:54:02,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-14 04:54:02,990 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:54:02,990 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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] [2022-07-14 04:54:03,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2022-07-14 04:54:03,203 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 04:54:03,203 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_mutex__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 27 more)] === [2022-07-14 04:54:03,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:54:03,204 INFO L85 PathProgramCache]: Analyzing trace with hash -326700578, now seen corresponding path program 1 times [2022-07-14 04:54:03,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:54:03,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [558472502] [2022-07-14 04:54:03,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:54:03,205 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:54:03,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:54:03,206 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 04:54:03,207 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 04:54:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:04,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 1400 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 04:54:04,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:54:05,345 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2022-07-14 04:54:05,345 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:54:05,345 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:54:05,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [558472502] [2022-07-14 04:54:05,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [558472502] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:54:05,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:54:05,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:54:05,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673303501] [2022-07-14 04:54:05,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:54:05,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:54:05,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:54:05,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:54:05,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:54:05,347 INFO L87 Difference]: Start difference. First operand 1913 states and 2717 transitions. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-14 04:54:05,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:54:05,567 INFO L93 Difference]: Finished difference Result 2398 states and 3383 transitions. [2022-07-14 04:54:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:54:05,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 253 [2022-07-14 04:54:05,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:54:05,575 INFO L225 Difference]: With dead ends: 2398 [2022-07-14 04:54:05,575 INFO L226 Difference]: Without dead ends: 2396 [2022-07-14 04:54:05,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 249 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 04:54:05,578 INFO L413 NwaCegarLoop]: 2872 mSDtfsCounter, 1971 mSDsluCounter, 6963 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1972 SdHoareTripleChecker+Valid, 9835 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:54:05,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1972 Valid, 9835 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 04:54:05,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2396 states. [2022-07-14 04:54:05,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2396 to 2386. [2022-07-14 04:54:05,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2386 states, 1583 states have (on average 1.2905874921036007) internal successors, (2043), 1682 states have internal predecessors, (2043), 639 states have call successors, (639), 157 states have call predecessors, (639), 158 states have return successors, (693), 581 states have call predecessors, (693), 639 states have call successors, (693) [2022-07-14 04:54:05,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 2386 states and 3375 transitions. [2022-07-14 04:54:05,728 INFO L78 Accepts]: Start accepts. Automaton has 2386 states and 3375 transitions. Word has length 253 [2022-07-14 04:54:05,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:54:05,729 INFO L495 AbstractCegarLoop]: Abstraction has 2386 states and 3375 transitions. [2022-07-14 04:54:05,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 1 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-07-14 04:54:05,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 3375 transitions. [2022-07-14 04:54:05,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-07-14 04:54:05,731 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:54:05,731 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-14 04:54:05,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (33)] Ended with exit code 0 [2022-07-14 04:54:05,941 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 04:54:05,942 INFO L420 AbstractCegarLoop]: === Iteration 33 === 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 27 more)] === [2022-07-14 04:54:05,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:54:05,943 INFO L85 PathProgramCache]: Analyzing trace with hash 823108487, now seen corresponding path program 1 times [2022-07-14 04:54:05,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:54:05,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1848929843] [2022-07-14 04:54:05,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:54:05,944 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:54:05,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:54:05,946 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 04:54:05,946 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 04:54:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:07,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 1486 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-14 04:54:07,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:54:07,796 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2022-07-14 04:54:07,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:54:07,796 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:54:07,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1848929843] [2022-07-14 04:54:07,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1848929843] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:54:07,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:54:07,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-14 04:54:07,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877659025] [2022-07-14 04:54:07,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:54:07,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 04:54:07,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:54:07,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 04:54:07,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-14 04:54:07,798 INFO L87 Difference]: Start difference. First operand 2386 states and 3375 transitions. Second operand has 13 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 5 states have call successors, (36), 2 states have call predecessors, (36), 5 states have return successors, (33), 6 states have call predecessors, (33), 5 states have call successors, (33) [2022-07-14 04:54:09,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:54:09,961 INFO L93 Difference]: Finished difference Result 4314 states and 6114 transitions. [2022-07-14 04:54:09,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-14 04:54:09,962 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 5 states have call successors, (36), 2 states have call predecessors, (36), 5 states have return successors, (33), 6 states have call predecessors, (33), 5 states have call successors, (33) Word has length 284 [2022-07-14 04:54:09,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:54:09,970 INFO L225 Difference]: With dead ends: 4314 [2022-07-14 04:54:09,970 INFO L226 Difference]: Without dead ends: 2407 [2022-07-14 04:54:09,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2022-07-14 04:54:09,977 INFO L413 NwaCegarLoop]: 2670 mSDtfsCounter, 26 mSDsluCounter, 29240 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 31910 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-14 04:54:09,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 31910 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-14 04:54:09,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2407 states. [2022-07-14 04:54:10,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2407 to 2396. [2022-07-14 04:54:10,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2396 states, 1590 states have (on average 1.2893081761006289) internal successors, (2050), 1689 states have internal predecessors, (2050), 641 states have call successors, (641), 157 states have call predecessors, (641), 159 states have return successors, (697), 584 states have call predecessors, (697), 641 states have call successors, (697) [2022-07-14 04:54:10,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 3388 transitions. [2022-07-14 04:54:10,171 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 3388 transitions. Word has length 284 [2022-07-14 04:54:10,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:54:10,172 INFO L495 AbstractCegarLoop]: Abstraction has 2396 states and 3388 transitions. [2022-07-14 04:54:10,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.916666666666667) internal successors, (95), 11 states have internal predecessors, (95), 5 states have call successors, (36), 2 states have call predecessors, (36), 5 states have return successors, (33), 6 states have call predecessors, (33), 5 states have call successors, (33) [2022-07-14 04:54:10,172 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 3388 transitions. [2022-07-14 04:54:10,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-14 04:54:10,174 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:54:10,174 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-07-14 04:54:10,227 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 04:54:10,395 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 04:54:10,396 INFO L420 AbstractCegarLoop]: === Iteration 34 === 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 27 more)] === [2022-07-14 04:54:10,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:54:10,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1257353576, now seen corresponding path program 1 times [2022-07-14 04:54:10,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:54:10,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1344494792] [2022-07-14 04:54:10,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:54:10,398 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:54:10,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:54:10,399 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 04:54:10,400 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 04:54:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:11,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 1488 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-14 04:54:11,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:54:12,216 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2022-07-14 04:54:12,216 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:54:12,216 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:54:12,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1344494792] [2022-07-14 04:54:12,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1344494792] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:54:12,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:54:12,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-14 04:54:12,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678475836] [2022-07-14 04:54:12,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:54:12,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 04:54:12,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:54:12,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 04:54:12,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-14 04:54:12,217 INFO L87 Difference]: Start difference. First operand 2396 states and 3388 transitions. Second operand has 13 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 5 states have call successors, (36), 2 states have call predecessors, (36), 5 states have return successors, (33), 6 states have call predecessors, (33), 5 states have call successors, (33) [2022-07-14 04:54:14,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:54:14,424 INFO L93 Difference]: Finished difference Result 4336 states and 6142 transitions. [2022-07-14 04:54:14,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-14 04:54:14,424 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 5 states have call successors, (36), 2 states have call predecessors, (36), 5 states have return successors, (33), 6 states have call predecessors, (33), 5 states have call successors, (33) Word has length 285 [2022-07-14 04:54:14,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:54:14,433 INFO L225 Difference]: With dead ends: 4336 [2022-07-14 04:54:14,433 INFO L226 Difference]: Without dead ends: 2419 [2022-07-14 04:54:14,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2022-07-14 04:54:14,439 INFO L413 NwaCegarLoop]: 2674 mSDtfsCounter, 26 mSDsluCounter, 29274 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 31948 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-14 04:54:14,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 31948 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-14 04:54:14,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2419 states. [2022-07-14 04:54:14,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2419 to 2396. [2022-07-14 04:54:14,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2396 states, 1590 states have (on average 1.2893081761006289) internal successors, (2050), 1689 states have internal predecessors, (2050), 641 states have call successors, (641), 157 states have call predecessors, (641), 159 states have return successors, (697), 584 states have call predecessors, (697), 641 states have call successors, (697) [2022-07-14 04:54:14,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 3388 transitions. [2022-07-14 04:54:14,638 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 3388 transitions. Word has length 285 [2022-07-14 04:54:14,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:54:14,639 INFO L495 AbstractCegarLoop]: Abstraction has 2396 states and 3388 transitions. [2022-07-14 04:54:14,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.0) internal successors, (96), 11 states have internal predecessors, (96), 5 states have call successors, (36), 2 states have call predecessors, (36), 5 states have return successors, (33), 6 states have call predecessors, (33), 5 states have call successors, (33) [2022-07-14 04:54:14,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 3388 transitions. [2022-07-14 04:54:14,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-14 04:54:14,641 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:54:14,641 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:54:14,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2022-07-14 04:54:14,855 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 04:54:14,855 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_mutex__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 27 more)] === [2022-07-14 04:54:14,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:54:14,856 INFO L85 PathProgramCache]: Analyzing trace with hash -965057028, now seen corresponding path program 1 times [2022-07-14 04:54:14,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:54:14,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2069409043] [2022-07-14 04:54:14,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:54:14,857 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:54:14,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:54:14,858 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 04:54:14,859 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 04:54:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:16,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 1829 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 04:54:16,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:54:16,311 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-07-14 04:54:16,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:54:16,311 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:54:16,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2069409043] [2022-07-14 04:54:16,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2069409043] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:54:16,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:54:16,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:54:16,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272136540] [2022-07-14 04:54:16,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:54:16,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:54:16,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:54:16,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:54:16,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:54:16,312 INFO L87 Difference]: Start difference. First operand 2396 states and 3388 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 3 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-14 04:54:16,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:54:16,608 INFO L93 Difference]: Finished difference Result 4780 states and 6785 transitions. [2022-07-14 04:54:16,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:54:16,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 3 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 253 [2022-07-14 04:54:16,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:54:16,614 INFO L225 Difference]: With dead ends: 4780 [2022-07-14 04:54:16,614 INFO L226 Difference]: Without dead ends: 2407 [2022-07-14 04:54:16,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 250 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 04:54:16,620 INFO L413 NwaCegarLoop]: 2681 mSDtfsCounter, 5 mSDsluCounter, 5348 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 8029 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:54:16,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 8029 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 04:54:16,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2407 states. [2022-07-14 04:54:16,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2407 to 2398. [2022-07-14 04:54:16,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2398 states, 1592 states have (on average 1.2889447236180904) internal successors, (2052), 1690 states have internal predecessors, (2052), 641 states have call successors, (641), 157 states have call predecessors, (641), 159 states have return successors, (697), 584 states have call predecessors, (697), 641 states have call successors, (697) [2022-07-14 04:54:16,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 2398 states and 3390 transitions. [2022-07-14 04:54:16,753 INFO L78 Accepts]: Start accepts. Automaton has 2398 states and 3390 transitions. Word has length 253 [2022-07-14 04:54:16,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:54:16,754 INFO L495 AbstractCegarLoop]: Abstraction has 2398 states and 3390 transitions. [2022-07-14 04:54:16,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 3 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-14 04:54:16,754 INFO L276 IsEmpty]: Start isEmpty. Operand 2398 states and 3390 transitions. [2022-07-14 04:54:16,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-07-14 04:54:16,755 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:54:16,755 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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] [2022-07-14 04:54:16,794 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 04:54:16,962 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 04:54:16,963 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_mutex__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 27 more)] === [2022-07-14 04:54:16,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:54:16,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1034655848, now seen corresponding path program 1 times [2022-07-14 04:54:16,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:54:16,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [837946789] [2022-07-14 04:54:16,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:54:16,964 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:54:16,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:54:16,965 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 04:54:16,966 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 04:54:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:18,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 1604 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:54:18,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:54:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2022-07-14 04:54:18,055 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:54:18,055 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:54:18,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [837946789] [2022-07-14 04:54:18,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [837946789] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:54:18,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:54:18,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:54:18,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867680426] [2022-07-14 04:54:18,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:54:18,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:54:18,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:54:18,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:54:18,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:54:18,057 INFO L87 Difference]: Start difference. First operand 2398 states and 3390 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-14 04:54:18,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:54:18,335 INFO L93 Difference]: Finished difference Result 4789 states and 6797 transitions. [2022-07-14 04:54:18,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:54:18,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 293 [2022-07-14 04:54:18,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:54:18,342 INFO L225 Difference]: With dead ends: 4789 [2022-07-14 04:54:18,342 INFO L226 Difference]: Without dead ends: 2414 [2022-07-14 04:54:18,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:54:18,347 INFO L413 NwaCegarLoop]: 2683 mSDtfsCounter, 15 mSDsluCounter, 5322 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 8005 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:54:18,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 8005 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 04:54:18,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2022-07-14 04:54:18,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2400. [2022-07-14 04:54:18,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2400 states, 1594 states have (on average 1.288582183186951) internal successors, (2054), 1692 states have internal predecessors, (2054), 641 states have call successors, (641), 157 states have call predecessors, (641), 159 states have return successors, (697), 584 states have call predecessors, (697), 641 states have call successors, (697) [2022-07-14 04:54:18,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 2400 states and 3392 transitions. [2022-07-14 04:54:18,490 INFO L78 Accepts]: Start accepts. Automaton has 2400 states and 3392 transitions. Word has length 293 [2022-07-14 04:54:18,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:54:18,491 INFO L495 AbstractCegarLoop]: Abstraction has 2400 states and 3392 transitions. [2022-07-14 04:54:18,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-14 04:54:18,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 3392 transitions. [2022-07-14 04:54:18,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-07-14 04:54:18,493 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:54:18,493 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 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] [2022-07-14 04:54:18,525 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 04:54:18,719 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 04:54:18,720 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_assert_linux_kernel_locking_mutex__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 27 more)] === [2022-07-14 04:54:18,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:54:18,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1408199590, now seen corresponding path program 1 times [2022-07-14 04:54:18,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:54:18,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2095332305] [2022-07-14 04:54:18,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:54:18,722 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:54:18,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:54:18,730 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 04:54:18,731 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 04:54:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:19,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 1667 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 04:54:19,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:54:20,157 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2022-07-14 04:54:20,157 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:54:20,157 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:54:20,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2095332305] [2022-07-14 04:54:20,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2095332305] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:54:20,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:54:20,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:54:20,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063814834] [2022-07-14 04:54:20,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:54:20,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:54:20,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:54:20,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:54:20,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:54:20,160 INFO L87 Difference]: Start difference. First operand 2400 states and 3392 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-14 04:54:20,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:54:20,512 INFO L93 Difference]: Finished difference Result 2416 states and 3403 transitions. [2022-07-14 04:54:20,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:54:20,513 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 303 [2022-07-14 04:54:20,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:54:20,521 INFO L225 Difference]: With dead ends: 2416 [2022-07-14 04:54:20,521 INFO L226 Difference]: Without dead ends: 2414 [2022-07-14 04:54:20,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 299 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 04:54:20,522 INFO L413 NwaCegarLoop]: 3263 mSDtfsCounter, 1200 mSDsluCounter, 8615 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1201 SdHoareTripleChecker+Valid, 11878 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:54:20,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1201 Valid, 11878 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 04:54:20,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2022-07-14 04:54:20,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2404. [2022-07-14 04:54:20,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2404 states, 1597 states have (on average 1.2880400751408891) internal successors, (2057), 1695 states have internal predecessors, (2057), 641 states have call successors, (641), 158 states have call predecessors, (641), 160 states have return successors, (697), 584 states have call predecessors, (697), 641 states have call successors, (697) [2022-07-14 04:54:20,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 3395 transitions. [2022-07-14 04:54:20,675 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 3395 transitions. Word has length 303 [2022-07-14 04:54:20,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:54:20,675 INFO L495 AbstractCegarLoop]: Abstraction has 2404 states and 3395 transitions. [2022-07-14 04:54:20,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-14 04:54:20,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 3395 transitions. [2022-07-14 04:54:20,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-07-14 04:54:20,677 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:54:20,677 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:54:20,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (38)] Ended with exit code 0 [2022-07-14 04:54:20,878 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 04:54:20,878 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_assert_linux_kernel_locking_mutex__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 27 more)] === [2022-07-14 04:54:20,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:54:20,879 INFO L85 PathProgramCache]: Analyzing trace with hash -615065789, now seen corresponding path program 1 times [2022-07-14 04:54:20,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:54:20,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [14944611] [2022-07-14 04:54:20,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:54:20,880 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:54:20,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:54:20,881 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 04:54:20,882 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 04:54:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:22,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 2293 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:54:22,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:54:22,817 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2022-07-14 04:54:22,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:54:23,079 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2022-07-14 04:54:23,080 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:54:23,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [14944611] [2022-07-14 04:54:23,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [14944611] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 04:54:23,080 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 04:54:23,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-14 04:54:23,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322777752] [2022-07-14 04:54:23,080 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 04:54:23,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 04:54:23,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:54:23,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 04:54:23,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:54:23,082 INFO L87 Difference]: Start difference. First operand 2404 states and 3395 transitions. Second operand has 8 states, 8 states have (on average 22.75) internal successors, (182), 8 states have internal predecessors, (182), 6 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (64), 6 states have call predecessors, (64), 6 states have call successors, (64) [2022-07-14 04:54:24,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:54:24,223 INFO L93 Difference]: Finished difference Result 4815 states and 6828 transitions. [2022-07-14 04:54:24,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:54:24,224 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 8 states have internal predecessors, (182), 6 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (64), 6 states have call predecessors, (64), 6 states have call successors, (64) Word has length 316 [2022-07-14 04:54:24,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:54:24,230 INFO L225 Difference]: With dead ends: 4815 [2022-07-14 04:54:24,230 INFO L226 Difference]: Without dead ends: 2434 [2022-07-14 04:54:24,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 633 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-07-14 04:54:24,235 INFO L413 NwaCegarLoop]: 2694 mSDtfsCounter, 31 mSDsluCounter, 10701 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 13395 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-14 04:54:24,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 13395 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-14 04:54:24,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2022-07-14 04:54:24,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 2434. [2022-07-14 04:54:24,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2434 states, 1615 states have (on average 1.284829721362229) internal successors, (2075), 1713 states have internal predecessors, (2075), 653 states have call successors, (653), 158 states have call predecessors, (653), 160 states have return successors, (709), 596 states have call predecessors, (709), 653 states have call successors, (709) [2022-07-14 04:54:24,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2434 states and 3437 transitions. [2022-07-14 04:54:24,377 INFO L78 Accepts]: Start accepts. Automaton has 2434 states and 3437 transitions. Word has length 316 [2022-07-14 04:54:24,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:54:24,377 INFO L495 AbstractCegarLoop]: Abstraction has 2434 states and 3437 transitions. [2022-07-14 04:54:24,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 8 states have internal predecessors, (182), 6 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (64), 6 states have call predecessors, (64), 6 states have call successors, (64) [2022-07-14 04:54:24,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 3437 transitions. [2022-07-14 04:54:24,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-07-14 04:54:24,379 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:54:24,380 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:54:24,432 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (39)] Ended with exit code 0 [2022-07-14 04:54:24,584 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 04:54:24,584 INFO L420 AbstractCegarLoop]: === Iteration 39 === 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 27 more)] === [2022-07-14 04:54:24,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:54:24,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1253696816, now seen corresponding path program 1 times [2022-07-14 04:54:24,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:54:24,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1573103220] [2022-07-14 04:54:24,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:54:24,586 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:54:24,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:54:24,587 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 04:54:24,588 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 04:54:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:25,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 1810 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-14 04:54:25,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:54:26,378 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2022-07-14 04:54:26,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:54:26,378 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:54:26,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1573103220] [2022-07-14 04:54:26,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1573103220] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:54:26,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:54:26,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-07-14 04:54:26,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318539067] [2022-07-14 04:54:26,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:54:26,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-14 04:54:26,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:54:26,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-14 04:54:26,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-07-14 04:54:26,380 INFO L87 Difference]: Start difference. First operand 2434 states and 3437 transitions. Second operand has 15 states, 14 states have (on average 9.5) internal successors, (133), 13 states have internal predecessors, (133), 6 states have call successors, (48), 2 states have call predecessors, (48), 5 states have return successors, (45), 7 states have call predecessors, (45), 6 states have call successors, (45) [2022-07-14 04:54:28,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:54:28,708 INFO L93 Difference]: Finished difference Result 4402 states and 6230 transitions. [2022-07-14 04:54:28,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-14 04:54:28,709 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.5) internal successors, (133), 13 states have internal predecessors, (133), 6 states have call successors, (48), 2 states have call predecessors, (48), 5 states have return successors, (45), 7 states have call predecessors, (45), 6 states have call successors, (45) Word has length 357 [2022-07-14 04:54:28,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:54:28,719 INFO L225 Difference]: With dead ends: 4402 [2022-07-14 04:54:28,720 INFO L226 Difference]: Without dead ends: 2479 [2022-07-14 04:54:28,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2022-07-14 04:54:28,725 INFO L413 NwaCegarLoop]: 2671 mSDtfsCounter, 39 mSDsluCounter, 34548 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 37219 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-14 04:54:28,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 37219 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-14 04:54:28,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2479 states. [2022-07-14 04:54:28,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2479 to 2438. [2022-07-14 04:54:28,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2438 states, 1617 states have (on average 1.2844774273345703) internal successors, (2077), 1715 states have internal predecessors, (2077), 655 states have call successors, (655), 158 states have call predecessors, (655), 160 states have return successors, (711), 598 states have call predecessors, (711), 655 states have call successors, (711) [2022-07-14 04:54:28,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2438 states to 2438 states and 3443 transitions. [2022-07-14 04:54:28,912 INFO L78 Accepts]: Start accepts. Automaton has 2438 states and 3443 transitions. Word has length 357 [2022-07-14 04:54:28,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:54:28,912 INFO L495 AbstractCegarLoop]: Abstraction has 2438 states and 3443 transitions. [2022-07-14 04:54:28,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.5) internal successors, (133), 13 states have internal predecessors, (133), 6 states have call successors, (48), 2 states have call predecessors, (48), 5 states have return successors, (45), 7 states have call predecessors, (45), 6 states have call successors, (45) [2022-07-14 04:54:28,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2438 states and 3443 transitions. [2022-07-14 04:54:28,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-07-14 04:54:28,915 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:54:28,915 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:54:28,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (40)] Ended with exit code 0 [2022-07-14 04:54:29,124 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 04:54:29,124 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_assert_linux_kernel_locking_mutex__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 27 more)] === [2022-07-14 04:54:29,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:54:29,125 INFO L85 PathProgramCache]: Analyzing trace with hash -233443378, now seen corresponding path program 2 times [2022-07-14 04:54:29,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:54:29,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661260728] [2022-07-14 04:54:29,126 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 04:54:29,127 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:54:29,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:54:29,128 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 04:54:29,128 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 04:54:31,546 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-14 04:54:31,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 04:54:31,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 2944 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 04:54:31,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:54:32,028 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-07-14 04:54:32,028 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:54:32,028 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:54:32,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [661260728] [2022-07-14 04:54:32,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [661260728] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:54:32,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:54:32,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:54:32,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710398151] [2022-07-14 04:54:32,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:54:32,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:54:32,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:54:32,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:54:32,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:54:32,030 INFO L87 Difference]: Start difference. First operand 2438 states and 3443 transitions. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-14 04:54:34,132 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:54:36,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:54:36,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:54:36,333 INFO L93 Difference]: Finished difference Result 4857 states and 6884 transitions. [2022-07-14 04:54:36,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:54:36,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 382 [2022-07-14 04:54:36,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:54:36,359 INFO L225 Difference]: With dead ends: 4857 [2022-07-14 04:54:36,359 INFO L226 Difference]: Without dead ends: 2442 [2022-07-14 04:54:36,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 379 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 04:54:36,364 INFO L413 NwaCegarLoop]: 2677 mSDtfsCounter, 2 mSDsluCounter, 5324 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8001 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:54:36,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8001 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 2 Unknown, 0 Unchecked, 4.1s Time] [2022-07-14 04:54:36,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2442 states. [2022-07-14 04:54:36,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2442 to 2440. [2022-07-14 04:54:36,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2440 states, 1619 states have (on average 1.2841260037059914) internal successors, (2079), 1717 states have internal predecessors, (2079), 655 states have call successors, (655), 158 states have call predecessors, (655), 160 states have return successors, (711), 598 states have call predecessors, (711), 655 states have call successors, (711) [2022-07-14 04:54:36,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 2440 states and 3445 transitions. [2022-07-14 04:54:36,504 INFO L78 Accepts]: Start accepts. Automaton has 2440 states and 3445 transitions. Word has length 382 [2022-07-14 04:54:36,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:54:36,504 INFO L495 AbstractCegarLoop]: Abstraction has 2440 states and 3445 transitions. [2022-07-14 04:54:36,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-14 04:54:36,504 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 3445 transitions. [2022-07-14 04:54:36,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-07-14 04:54:36,506 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:54:36,507 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:54:36,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (41)] Ended with exit code 0 [2022-07-14 04:54:36,707 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 04:54:36,707 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_assert_linux_kernel_locking_mutex__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 27 more)] === [2022-07-14 04:54:36,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:54:36,708 INFO L85 PathProgramCache]: Analyzing trace with hash 786896037, now seen corresponding path program 1 times [2022-07-14 04:54:36,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:54:36,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [607200558] [2022-07-14 04:54:36,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:54:36,710 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:54:36,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:54:36,711 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 04:54:36,711 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 04:54:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:54:39,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 3020 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:54:39,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:54:39,611 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-07-14 04:54:39,611 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:54:40,259 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-07-14 04:54:40,260 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:54:40,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [607200558] [2022-07-14 04:54:40,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [607200558] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 04:54:40,260 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 04:54:40,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-14 04:54:40,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558753551] [2022-07-14 04:54:40,260 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 04:54:40,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 04:54:40,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:54:40,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 04:54:40,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:54:40,261 INFO L87 Difference]: Start difference. First operand 2440 states and 3445 transitions. Second operand has 8 states, 8 states have (on average 22.375) internal successors, (179), 8 states have internal predecessors, (179), 4 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2022-07-14 04:54:42,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:54:44,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:54:44,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:54:44,721 INFO L93 Difference]: Finished difference Result 4863 states and 6891 transitions. [2022-07-14 04:54:44,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 04:54:44,722 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.375) internal successors, (179), 8 states have internal predecessors, (179), 4 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) Word has length 385 [2022-07-14 04:54:44,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:54:44,728 INFO L225 Difference]: With dead ends: 4863 [2022-07-14 04:54:44,729 INFO L226 Difference]: Without dead ends: 2446 [2022-07-14 04:54:44,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 762 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-07-14 04:54:44,734 INFO L413 NwaCegarLoop]: 2675 mSDtfsCounter, 18 mSDsluCounter, 10635 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 13310 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:54:44,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 13310 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 32 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2022-07-14 04:54:44,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2022-07-14 04:54:44,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2446. [2022-07-14 04:54:44,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2446 states, 1625 states have (on average 1.283076923076923) internal successors, (2085), 1723 states have internal predecessors, (2085), 655 states have call successors, (655), 158 states have call predecessors, (655), 160 states have return successors, (711), 598 states have call predecessors, (711), 655 states have call successors, (711) [2022-07-14 04:54:44,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2446 states to 2446 states and 3451 transitions. [2022-07-14 04:54:44,897 INFO L78 Accepts]: Start accepts. Automaton has 2446 states and 3451 transitions. Word has length 385 [2022-07-14 04:54:44,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:54:44,897 INFO L495 AbstractCegarLoop]: Abstraction has 2446 states and 3451 transitions. [2022-07-14 04:54:44,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.375) internal successors, (179), 8 states have internal predecessors, (179), 4 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2022-07-14 04:54:44,897 INFO L276 IsEmpty]: Start isEmpty. Operand 2446 states and 3451 transitions. [2022-07-14 04:54:44,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2022-07-14 04:54:44,900 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:54:44,900 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:54:44,968 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 04:54:45,131 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 04:54:45,131 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_assert_linux_kernel_locking_mutex__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 27 more)] === [2022-07-14 04:54:45,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:54:45,132 INFO L85 PathProgramCache]: Analyzing trace with hash -285797371, now seen corresponding path program 2 times [2022-07-14 04:54:45,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:54:45,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467719388] [2022-07-14 04:54:45,133 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 04:54:45,133 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:54:45,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:54:45,134 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 04:54:45,135 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 04:54:47,829 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-14 04:54:47,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 04:54:48,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 3172 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 04:54:48,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:54:48,431 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-07-14 04:54:48,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:54:49,136 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-07-14 04:54:49,136 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:54:49,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1467719388] [2022-07-14 04:54:49,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1467719388] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 04:54:49,136 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 04:54:49,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-07-14 04:54:49,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288078125] [2022-07-14 04:54:49,136 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 04:54:49,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-14 04:54:49,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:54:49,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-14 04:54:49,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-07-14 04:54:49,138 INFO L87 Difference]: Start difference. First operand 2446 states and 3451 transitions. Second operand has 12 states, 12 states have (on average 15.916666666666666) internal successors, (191), 12 states have internal predecessors, (191), 4 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2022-07-14 04:54:51,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:54:53,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:54:55,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:54:57,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:54:58,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:54:58,209 INFO L93 Difference]: Finished difference Result 4881 states and 6911 transitions. [2022-07-14 04:54:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-14 04:54:58,210 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 15.916666666666666) internal successors, (191), 12 states have internal predecessors, (191), 4 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) Word has length 391 [2022-07-14 04:54:58,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:54:58,222 INFO L225 Difference]: With dead ends: 4881 [2022-07-14 04:54:58,222 INFO L226 Difference]: Without dead ends: 2458 [2022-07-14 04:54:58,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 788 GetRequests, 770 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2022-07-14 04:54:58,239 INFO L413 NwaCegarLoop]: 2675 mSDtfsCounter, 46 mSDsluCounter, 18632 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 43 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 21307 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-07-14 04:54:58,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 21307 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 92 Invalid, 4 Unknown, 0 Unchecked, 8.5s Time] [2022-07-14 04:54:58,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2458 states. [2022-07-14 04:54:58,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2458 to 2458. [2022-07-14 04:54:58,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2458 states, 1637 states have (on average 1.2810018326206476) internal successors, (2097), 1735 states have internal predecessors, (2097), 655 states have call successors, (655), 158 states have call predecessors, (655), 160 states have return successors, (711), 598 states have call predecessors, (711), 655 states have call successors, (711) [2022-07-14 04:54:58,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2458 states and 3463 transitions. [2022-07-14 04:54:58,428 INFO L78 Accepts]: Start accepts. Automaton has 2458 states and 3463 transitions. Word has length 391 [2022-07-14 04:54:58,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:54:58,429 INFO L495 AbstractCegarLoop]: Abstraction has 2458 states and 3463 transitions. [2022-07-14 04:54:58,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 15.916666666666666) internal successors, (191), 12 states have internal predecessors, (191), 4 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2022-07-14 04:54:58,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 3463 transitions. [2022-07-14 04:54:58,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-07-14 04:54:58,431 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:54:58,431 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:54:58,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (43)] Forceful destruction successful, exit code 0 [2022-07-14 04:54:58,631 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 04:54:58,632 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_assert_linux_kernel_locking_mutex__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 27 more)] === [2022-07-14 04:54:58,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:54:58,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1766718149, now seen corresponding path program 3 times [2022-07-14 04:54:58,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:54:58,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1700053125] [2022-07-14 04:54:58,635 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-14 04:54:58,635 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:54:58,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:54:58,636 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 04:54:58,638 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 04:55:00,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-07-14 04:55:00,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 04:55:00,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 04:55:00,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:55:00,183 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-07-14 04:55:00,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:55:00,183 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:55:00,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1700053125] [2022-07-14 04:55:00,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1700053125] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:55:00,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:55:00,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:55:00,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786346487] [2022-07-14 04:55:00,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:55:00,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:55:00,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:55:00,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:55:00,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:55:00,185 INFO L87 Difference]: Start difference. First operand 2458 states and 3463 transitions. Second operand has 5 states, 5 states have (on average 30.4) internal successors, (152), 5 states have internal predecessors, (152), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-07-14 04:55:00,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:55:00,469 INFO L93 Difference]: Finished difference Result 4907 states and 7086 transitions. [2022-07-14 04:55:00,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:55:00,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 5 states have internal predecessors, (152), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 403 [2022-07-14 04:55:00,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:55:00,477 INFO L225 Difference]: With dead ends: 4907 [2022-07-14 04:55:00,477 INFO L226 Difference]: Without dead ends: 2472 [2022-07-14 04:55:00,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 399 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 04:55:00,482 INFO L413 NwaCegarLoop]: 2675 mSDtfsCounter, 10 mSDsluCounter, 8022 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 10697 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:55:00,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 10697 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 04:55:00,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2472 states. [2022-07-14 04:55:00,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2472 to 2466. [2022-07-14 04:55:00,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2466 states, 1644 states have (on average 1.2798053527980535) internal successors, (2104), 1743 states have internal predecessors, (2104), 655 states have call successors, (655), 158 states have call predecessors, (655), 161 states have return successors, (712), 598 states have call predecessors, (712), 655 states have call successors, (712) [2022-07-14 04:55:00,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2466 states to 2466 states and 3471 transitions. [2022-07-14 04:55:00,640 INFO L78 Accepts]: Start accepts. Automaton has 2466 states and 3471 transitions. Word has length 403 [2022-07-14 04:55:00,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:55:00,640 INFO L495 AbstractCegarLoop]: Abstraction has 2466 states and 3471 transitions. [2022-07-14 04:55:00,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 5 states have internal predecessors, (152), 2 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2022-07-14 04:55:00,640 INFO L276 IsEmpty]: Start isEmpty. Operand 2466 states and 3471 transitions. [2022-07-14 04:55:00,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-07-14 04:55:00,643 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:55:00,643 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:55:00,670 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 04:55:00,850 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 04:55:00,850 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ldv_assert_linux_kernel_locking_mutex__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 27 more)] === [2022-07-14 04:55:00,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:55:00,851 INFO L85 PathProgramCache]: Analyzing trace with hash 745649795, now seen corresponding path program 1 times [2022-07-14 04:55:00,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:55:00,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2014481309] [2022-07-14 04:55:00,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:55:00,853 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:55:00,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:55:00,854 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 04:55:00,854 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 04:55:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:03,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 3476 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-14 04:55:03,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:55:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-07-14 04:55:04,242 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:55:04,242 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:55:04,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2014481309] [2022-07-14 04:55:04,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2014481309] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:55:04,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:55:04,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:55:04,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618311538] [2022-07-14 04:55:04,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:55:04,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:55:04,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:55:04,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:55:04,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:55:04,243 INFO L87 Difference]: Start difference. First operand 2466 states and 3471 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-14 04:55:04,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:55:04,438 INFO L93 Difference]: Finished difference Result 4913 states and 6940 transitions. [2022-07-14 04:55:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:55:04,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 403 [2022-07-14 04:55:04,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:55:04,445 INFO L225 Difference]: With dead ends: 4913 [2022-07-14 04:55:04,445 INFO L226 Difference]: Without dead ends: 2470 [2022-07-14 04:55:04,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 400 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 04:55:04,450 INFO L413 NwaCegarLoop]: 2677 mSDtfsCounter, 2 mSDsluCounter, 5320 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 7997 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:55:04,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 7997 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 04:55:04,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2470 states. [2022-07-14 04:55:04,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2470 to 2468. [2022-07-14 04:55:04,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2468 states, 1646 states have (on average 1.2794653705953827) internal successors, (2106), 1745 states have internal predecessors, (2106), 655 states have call successors, (655), 158 states have call predecessors, (655), 161 states have return successors, (712), 598 states have call predecessors, (712), 655 states have call successors, (712) [2022-07-14 04:55:04,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 2468 states and 3473 transitions. [2022-07-14 04:55:04,615 INFO L78 Accepts]: Start accepts. Automaton has 2468 states and 3473 transitions. Word has length 403 [2022-07-14 04:55:04,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:55:04,616 INFO L495 AbstractCegarLoop]: Abstraction has 2468 states and 3473 transitions. [2022-07-14 04:55:04,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-14 04:55:04,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2468 states and 3473 transitions. [2022-07-14 04:55:04,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-07-14 04:55:04,618 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:55:04,618 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:55:04,698 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 04:55:04,835 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 04:55:04,835 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ldv_assert_linux_kernel_locking_mutex__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 27 more)] === [2022-07-14 04:55:04,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:55:04,836 INFO L85 PathProgramCache]: Analyzing trace with hash 293039085, now seen corresponding path program 1 times [2022-07-14 04:55:04,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:55:04,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399448926] [2022-07-14 04:55:04,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:55:04,838 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:55:04,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:55:04,839 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 04:55:04,839 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 04:55:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:07,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 3490 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:55:07,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:55:08,351 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-07-14 04:55:08,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:55:09,199 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-07-14 04:55:09,199 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:55:09,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399448926] [2022-07-14 04:55:09,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399448926] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 04:55:09,200 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 04:55:09,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-14 04:55:09,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020814070] [2022-07-14 04:55:09,200 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 04:55:09,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 04:55:09,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:55:09,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 04:55:09,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:55:09,201 INFO L87 Difference]: Start difference. First operand 2468 states and 3473 transitions. Second operand has 8 states, 8 states have (on average 23.125) internal successors, (185), 8 states have internal predecessors, (185), 4 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2022-07-14 04:55:09,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:55:09,740 INFO L93 Difference]: Finished difference Result 4922 states and 6951 transitions. [2022-07-14 04:55:09,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:55:09,741 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.125) internal successors, (185), 8 states have internal predecessors, (185), 4 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) Word has length 406 [2022-07-14 04:55:09,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:55:09,747 INFO L225 Difference]: With dead ends: 4922 [2022-07-14 04:55:09,747 INFO L226 Difference]: Without dead ends: 2477 [2022-07-14 04:55:09,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 813 GetRequests, 804 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-07-14 04:55:09,755 INFO L413 NwaCegarLoop]: 2675 mSDtfsCounter, 30 mSDsluCounter, 10627 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 13302 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:55:09,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 13302 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 04:55:09,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2477 states. [2022-07-14 04:55:09,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2477 to 2477. [2022-07-14 04:55:09,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2477 states, 1655 states have (on average 1.2779456193353473) internal successors, (2115), 1754 states have internal predecessors, (2115), 655 states have call successors, (655), 158 states have call predecessors, (655), 161 states have return successors, (712), 598 states have call predecessors, (712), 655 states have call successors, (712) [2022-07-14 04:55:09,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2477 states and 3482 transitions. [2022-07-14 04:55:09,954 INFO L78 Accepts]: Start accepts. Automaton has 2477 states and 3482 transitions. Word has length 406 [2022-07-14 04:55:09,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:55:09,955 INFO L495 AbstractCegarLoop]: Abstraction has 2477 states and 3482 transitions. [2022-07-14 04:55:09,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.125) internal successors, (185), 8 states have internal predecessors, (185), 4 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2022-07-14 04:55:09,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2477 states and 3482 transitions. [2022-07-14 04:55:09,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2022-07-14 04:55:09,959 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:55:09,959 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:55:10,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (46)] Ended with exit code 0 [2022-07-14 04:55:10,179 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 04:55:10,180 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ldv_assert_linux_kernel_locking_mutex__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 27 more)] === [2022-07-14 04:55:10,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:55:10,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1522072061, now seen corresponding path program 2 times [2022-07-14 04:55:10,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:55:10,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1283565356] [2022-07-14 04:55:10,182 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 04:55:10,182 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:55:10,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:55:10,183 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 04:55:10,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2022-07-14 04:55:13,402 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-14 04:55:13,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 04:55:13,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 3532 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 04:55:13,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:55:14,301 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-07-14 04:55:14,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:55:15,260 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-07-14 04:55:15,261 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:55:15,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1283565356] [2022-07-14 04:55:15,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1283565356] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 04:55:15,261 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 04:55:15,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-07-14 04:55:15,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833300201] [2022-07-14 04:55:15,261 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 04:55:15,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-14 04:55:15,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:55:15,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-14 04:55:15,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-07-14 04:55:15,263 INFO L87 Difference]: Start difference. First operand 2477 states and 3482 transitions. Second operand has 14 states, 14 states have (on average 14.5) internal successors, (203), 14 states have internal predecessors, (203), 4 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2022-07-14 04:55:16,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:55:16,724 INFO L93 Difference]: Finished difference Result 4949 states and 6981 transitions. [2022-07-14 04:55:16,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 04:55:16,725 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 14.5) internal successors, (203), 14 states have internal predecessors, (203), 4 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) Word has length 415 [2022-07-14 04:55:16,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:55:16,731 INFO L225 Difference]: With dead ends: 4949 [2022-07-14 04:55:16,732 INFO L226 Difference]: Without dead ends: 2495 [2022-07-14 04:55:16,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 837 GetRequests, 816 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=144, Invalid=362, Unknown=0, NotChecked=0, Total=506 [2022-07-14 04:55:16,737 INFO L413 NwaCegarLoop]: 2675 mSDtfsCounter, 94 mSDsluCounter, 26578 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 29253 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-14 04:55:16,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 29253 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-14 04:55:16,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2022-07-14 04:55:16,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2495. [2022-07-14 04:55:16,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2495 states, 1673 states have (on average 1.2749551703526598) internal successors, (2133), 1772 states have internal predecessors, (2133), 655 states have call successors, (655), 158 states have call predecessors, (655), 161 states have return successors, (712), 598 states have call predecessors, (712), 655 states have call successors, (712) [2022-07-14 04:55:16,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 3500 transitions. [2022-07-14 04:55:16,902 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 3500 transitions. Word has length 415 [2022-07-14 04:55:16,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:55:16,902 INFO L495 AbstractCegarLoop]: Abstraction has 2495 states and 3500 transitions. [2022-07-14 04:55:16,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 14.5) internal successors, (203), 14 states have internal predecessors, (203), 4 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (63), 4 states have call predecessors, (63), 4 states have call successors, (63) [2022-07-14 04:55:16,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3500 transitions. [2022-07-14 04:55:16,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2022-07-14 04:55:16,905 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:55:16,905 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:55:16,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (47)] Ended with exit code 0 [2022-07-14 04:55:17,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:55:17,107 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ldv_assert_linux_kernel_locking_mutex__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 27 more)] === [2022-07-14 04:55:17,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:55:17,107 INFO L85 PathProgramCache]: Analyzing trace with hash 540403011, now seen corresponding path program 3 times [2022-07-14 04:55:17,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:55:17,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1221692096] [2022-07-14 04:55:17,109 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-14 04:55:17,109 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:55:17,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:55:17,110 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:55:17,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2022-07-14 04:55:18,805 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-07-14 04:55:18,806 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 04:55:18,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 04:55:18,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:55:19,037 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2022-07-14 04:55:19,037 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:55:19,037 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:55:19,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1221692096] [2022-07-14 04:55:19,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1221692096] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:55:19,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:55:19,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 04:55:19,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778914768] [2022-07-14 04:55:19,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:55:19,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 04:55:19,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:55:19,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 04:55:19,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-14 04:55:19,038 INFO L87 Difference]: Start difference. First operand 2495 states and 3500 transitions. Second operand has 7 states, 6 states have (on average 25.666666666666668) internal successors, (154), 5 states have internal predecessors, (154), 4 states have call successors, (55), 5 states have call predecessors, (55), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-07-14 04:55:19,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:55:19,689 INFO L93 Difference]: Finished difference Result 5044 states and 7234 transitions. [2022-07-14 04:55:19,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:55:19,690 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 25.666666666666668) internal successors, (154), 5 states have internal predecessors, (154), 4 states have call successors, (55), 5 states have call predecessors, (55), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 433 [2022-07-14 04:55:19,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:55:19,697 INFO L225 Difference]: With dead ends: 5044 [2022-07-14 04:55:19,697 INFO L226 Difference]: Without dead ends: 2572 [2022-07-14 04:55:19,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 427 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-14 04:55:19,703 INFO L413 NwaCegarLoop]: 2671 mSDtfsCounter, 36 mSDsluCounter, 13319 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 15990 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:55:19,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 15990 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 04:55:19,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2572 states. [2022-07-14 04:55:19,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2572 to 2570. [2022-07-14 04:55:19,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2570 states, 1727 states have (on average 1.269253039953677) internal successors, (2192), 1828 states have internal predecessors, (2192), 671 states have call successors, (671), 164 states have call predecessors, (671), 166 states have return successors, (708), 612 states have call predecessors, (708), 671 states have call successors, (708) [2022-07-14 04:55:19,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2570 states to 2570 states and 3571 transitions. [2022-07-14 04:55:19,868 INFO L78 Accepts]: Start accepts. Automaton has 2570 states and 3571 transitions. Word has length 433 [2022-07-14 04:55:19,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:55:19,868 INFO L495 AbstractCegarLoop]: Abstraction has 2570 states and 3571 transitions. [2022-07-14 04:55:19,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 25.666666666666668) internal successors, (154), 5 states have internal predecessors, (154), 4 states have call successors, (55), 5 states have call predecessors, (55), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-07-14 04:55:19,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2570 states and 3571 transitions. [2022-07-14 04:55:19,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2022-07-14 04:55:19,872 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:55:19,872 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 13, 13, 12, 12, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:55:19,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (48)] Forceful destruction successful, exit code 0 [2022-07-14 04:55:20,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:55:20,079 INFO L420 AbstractCegarLoop]: === Iteration 48 === 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 27 more)] === [2022-07-14 04:55:20,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:55:20,079 INFO L85 PathProgramCache]: Analyzing trace with hash -70791302, now seen corresponding path program 1 times [2022-07-14 04:55:20,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:55:20,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212580211] [2022-07-14 04:55:20,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:55:20,082 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:55:20,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:55:20,083 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:55:20,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2022-07-14 04:55:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:55:22,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 2404 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 04:55:22,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:55:22,106 INFO L356 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2022-07-14 04:55:22,107 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 21 [2022-07-14 04:55:24,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 1090 trivial. 0 not checked. [2022-07-14 04:55:24,462 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:55:24,462 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:55:24,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212580211] [2022-07-14 04:55:24,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212580211] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:55:24,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:55:24,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:55:24,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103945857] [2022-07-14 04:55:24,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:55:24,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:55:24,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:55:24,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:55:24,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2022-07-14 04:55:24,464 INFO L87 Difference]: Start difference. First operand 2570 states and 3571 transitions. Second operand has 5 states, 5 states have (on average 43.2) internal successors, (216), 5 states have internal predecessors, (216), 2 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2022-07-14 04:55:27,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:55:29,903 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:55:32,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:55:35,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:55:51,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:55:53,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:55:55,489 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:55:57,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:56:01,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:56:02,945 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:56:05,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:56:06,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:56:08,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []