./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 35987657 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-?-3598765 [2022-07-21 15:42:45,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 15:42:45,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 15:42:45,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 15:42:45,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 15:42:45,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 15:42:45,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 15:42:45,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 15:42:45,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 15:42:45,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 15:42:45,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 15:42:45,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 15:42:45,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 15:42:45,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 15:42:45,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 15:42:45,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 15:42:45,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 15:42:45,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 15:42:45,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 15:42:45,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 15:42:45,923 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 15:42:45,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 15:42:45,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 15:42:45,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 15:42:45,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 15:42:45,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 15:42:45,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 15:42:45,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 15:42:45,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 15:42:45,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 15:42:45,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 15:42:45,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 15:42:45,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 15:42:45,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 15:42:45,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 15:42:45,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 15:42:45,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 15:42:45,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 15:42:45,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 15:42:45,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 15:42:45,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 15:42:45,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 15:42:45,952 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 15:42:45,983 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 15:42:45,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 15:42:45,984 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 15:42:45,984 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 15:42:45,985 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 15:42:45,985 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 15:42:45,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 15:42:45,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 15:42:45,987 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 15:42:45,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 15:42:45,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 15:42:45,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 15:42:45,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 15:42:45,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 15:42:45,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 15:42:45,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 15:42:45,997 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 15:42:45,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 15:42:45,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 15:42:45,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 15:42:45,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 15:42:45,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:42:45,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 15:42:45,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 15:42:45,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 15:42:46,000 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 15:42:46,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 15:42:46,001 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 15:42:46,001 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 15:42:46,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 15:42:46,001 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59b1cfb91cc72e499bff6d8fc699fc231e5a5cccbbf2aefe05d1bfd2696fc05b [2022-07-21 15:42:46,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 15:42:46,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 15:42:46,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 15:42:46,323 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 15:42:46,324 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 15:42:46,325 INFO L432 ainManager$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 [2022-07-21 15:42:46,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92684dce3/c1a6ff57b60743daae23d8030794b4bf/FLAG3d8350894 [2022-07-21 15:42:47,203 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 15:42:47,203 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 [2022-07-21 15:42:47,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92684dce3/c1a6ff57b60743daae23d8030794b4bf/FLAG3d8350894 [2022-07-21 15:42:47,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92684dce3/c1a6ff57b60743daae23d8030794b4bf [2022-07-21 15:42:47,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 15:42:47,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 15:42:47,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 15:42:47,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 15:42:47,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 15:42:47,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:42:47" (1/1) ... [2022-07-21 15:42:47,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aad0450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:47, skipping insertion in model container [2022-07-21 15:42:47,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:42:47" (1/1) ... [2022-07-21 15:42:47,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 15:42:47,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 15:42:50,754 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[434581,434594] [2022-07-21 15:42:50,757 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[434726,434739] [2022-07-21 15:42:50,758 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[434872,434885] [2022-07-21 15:42:50,762 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[435037,435050] [2022-07-21 15:42:50,762 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[435195,435208] [2022-07-21 15:42:50,763 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[435353,435366] [2022-07-21 15:42:50,763 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[435511,435524] [2022-07-21 15:42:50,764 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[435671,435684] [2022-07-21 15:42:50,764 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[435830,435843] [2022-07-21 15:42:50,765 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[435969,435982] [2022-07-21 15:42:50,765 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[436111,436124] [2022-07-21 15:42:50,766 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[436260,436273] [2022-07-21 15:42:50,766 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[436399,436412] [2022-07-21 15:42:50,766 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[436554,436567] [2022-07-21 15:42:50,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437168,437181] [2022-07-21 15:42:50,770 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[437317,437330] [2022-07-21 15:42:50,770 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[437465,437478] [2022-07-21 15:42:50,771 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[437622,437635] [2022-07-21 15:42:50,772 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[437771,437784] [2022-07-21 15:42:50,772 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[437927,437940] [2022-07-21 15:42:50,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438080,438093] [2022-07-21 15:42:50,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[438226,438239] [2022-07-21 15:42:50,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,786 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,793 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,800 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,801 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,803 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:50,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:42:50,845 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 15:42:51,122 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) [2022-07-21 15:42:51,133 INFO L158 Benchmark]: Toolchain (without parser) took 3740.74ms. Allocated memory was 56.6MB in the beginning and 130.0MB in the end (delta: 73.4MB). Free memory was 29.0MB in the beginning and 67.9MB in the end (delta: -38.9MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2022-07-21 15:42:51,133 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 38.3MB in the beginning and 38.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 15:42:51,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3737.73ms. Allocated memory was 56.6MB in the beginning and 130.0MB in the end (delta: 73.4MB). Free memory was 28.8MB in the beginning and 67.9MB in the end (delta: -39.1MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2022-07-21 15:42:51,136 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 38.3MB in the beginning and 38.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3737.73ms. Allocated memory was 56.6MB in the beginning and 130.0MB in the end (delta: 73.4MB). Free memory was 28.8MB in the beginning and 67.9MB in the end (delta: -39.1MB). Peak memory consumption was 67.7MB. 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-?-3598765 [2022-07-21 15:42:52,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 15:42:52,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 15:42:52,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 15:42:52,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 15:42:52,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 15:42:52,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 15:42:52,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 15:42:52,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 15:42:52,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 15:42:52,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 15:42:52,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 15:42:52,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 15:42:52,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 15:42:52,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 15:42:52,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 15:42:52,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 15:42:52,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 15:42:52,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 15:42:52,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 15:42:52,910 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 15:42:52,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 15:42:52,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 15:42:52,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 15:42:52,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 15:42:52,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 15:42:52,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 15:42:52,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 15:42:52,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 15:42:52,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 15:42:52,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 15:42:52,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 15:42:52,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 15:42:52,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 15:42:52,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 15:42:52,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 15:42:52,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 15:42:52,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 15:42:52,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 15:42:52,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 15:42:52,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 15:42:52,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 15:42:52,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 15:42:52,968 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 15:42:52,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 15:42:52,969 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 15:42:52,969 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 15:42:52,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 15:42:52,970 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 15:42:52,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 15:42:52,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 15:42:52,971 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 15:42:52,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 15:42:52,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 15:42:52,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 15:42:52,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 15:42:52,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 15:42:52,982 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 15:42:52,982 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 15:42:52,982 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 15:42:52,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 15:42:52,983 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 15:42:52,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 15:42:52,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 15:42:52,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 15:42:52,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 15:42:52,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:42:52,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 15:42:52,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 15:42:52,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 15:42:52,985 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 15:42:52,985 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 15:42:52,985 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 15:42:52,985 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 15:42:52,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 15:42:52,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 15:42:52,986 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59b1cfb91cc72e499bff6d8fc699fc231e5a5cccbbf2aefe05d1bfd2696fc05b [2022-07-21 15:42:53,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 15:42:53,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 15:42:53,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 15:42:53,315 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 15:42:53,316 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 15:42:53,317 INFO L432 ainManager$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 [2022-07-21 15:42:53,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/934ca3aba/4a08370967554366a816e825331d13d5/FLAG753bd78d6 [2022-07-21 15:42:54,180 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 15:42:54,181 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 [2022-07-21 15:42:54,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/934ca3aba/4a08370967554366a816e825331d13d5/FLAG753bd78d6 [2022-07-21 15:42:54,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/934ca3aba/4a08370967554366a816e825331d13d5 [2022-07-21 15:42:54,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 15:42:54,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 15:42:54,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 15:42:54,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 15:42:54,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 15:42:54,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:42:54" (1/1) ... [2022-07-21 15:42:54,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5971239a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:54, skipping insertion in model container [2022-07-21 15:42:54,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:42:54" (1/1) ... [2022-07-21 15:42:54,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 15:42:54,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 15:42:58,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436399,436412] [2022-07-21 15:42:58,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436554,436567] [2022-07-21 15:42:58,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436714,436727] [2022-07-21 15:42:58,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[436865,436878] [2022-07-21 15:42:58,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437016,437029] [2022-07-21 15:42:58,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437168,437181] [2022-07-21 15:42:58,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437317,437330] [2022-07-21 15:42:58,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[437465,437478] [2022-07-21 15:42:58,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439743,439756] [2022-07-21 15:42:58,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[439899,439912] [2022-07-21 15:42:58,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440063,440076] [2022-07-21 15:42:58,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440689,440702] [2022-07-21 15:42:58,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440848,440861] [2022-07-21 15:42:58,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440997,441010] [2022-07-21 15:42:58,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441144,441157] [2022-07-21 15:42:58,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441283,441296] [2022-07-21 15:42:58,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441446,441459] [2022-07-21 15:42:58,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441612,441625] [2022-07-21 15:42:58,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441776,441789] [2022-07-21 15:42:58,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:58,499 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442272,442285] [2022-07-21 15:42:58,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442437,442450] [2022-07-21 15:42:58,500 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442604,442617] [2022-07-21 15:42:58,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442764,442777] [2022-07-21 15:42:58,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[442926,442939] [2022-07-21 15:42:58,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443085,443098] [2022-07-21 15:42:58,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443231,443244] [2022-07-21 15:42:58,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443374,443387] [2022-07-21 15:42:58,502 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443518,443531] [2022-07-21 15:42:58,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443661,443674] [2022-07-21 15:42:58,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443805,443818] [2022-07-21 15:42:58,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[443946,443959] [2022-07-21 15:42:58,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444084,444097] [2022-07-21 15:42:58,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444242,444255] [2022-07-21 15:42:58,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444401,444414] [2022-07-21 15:42:58,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444557,444570] [2022-07-21 15:42:58,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444706,444719] [2022-07-21 15:42:58,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[444858,444871] [2022-07-21 15:42:58,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445009,445022] [2022-07-21 15:42:58,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445158,445171] [2022-07-21 15:42:58,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445310,445323] [2022-07-21 15:42:58,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445458,445471] [2022-07-21 15:42:58,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445611,445624] [2022-07-21 15:42:58,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445762,445775] [2022-07-21 15:42:58,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445912,445925] [2022-07-21 15:42:58,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446059,446072] [2022-07-21 15:42:58,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446210,446223] [2022-07-21 15:42:58,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446361,446374] [2022-07-21 15:42:58,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446509,446522] [2022-07-21 15:42:58,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446675,446688] [2022-07-21 15:42:58,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446844,446857] [2022-07-21 15:42:58,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447011,447024] [2022-07-21 15:42:58,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447179,447192] [2022-07-21 15:42:58,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447329,447342] [2022-07-21 15:42:58,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447476,447489] [2022-07-21 15:42:58,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447637,447650] [2022-07-21 15:42:58,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447807,447820] [2022-07-21 15:42:58,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447969,447982] [2022-07-21 15:42:58,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:42:58,603 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 15:42:58,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 15:42:58,987 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[434581,434594] [2022-07-21 15:42:58,987 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[434726,434739] [2022-07-21 15:42:58,988 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[434872,434885] [2022-07-21 15:42:58,989 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[435037,435050] [2022-07-21 15:42:58,989 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[435195,435208] [2022-07-21 15:42:58,990 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[435353,435366] [2022-07-21 15:42:58,990 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[435511,435524] [2022-07-21 15:42:58,991 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[435671,435684] [2022-07-21 15:42:58,991 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[435830,435843] [2022-07-21 15:42:58,991 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[435969,435982] [2022-07-21 15:42:58,992 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[436111,436124] [2022-07-21 15:42:58,992 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[436260,436273] [2022-07-21 15:42:58,992 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[436399,436412] [2022-07-21 15:42:58,993 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[436554,436567] [2022-07-21 15:42:58,993 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[436714,436727] [2022-07-21 15:42:58,993 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[436865,436878] [2022-07-21 15:42:58,993 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[437016,437029] [2022-07-21 15:42:58,994 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[437168,437181] [2022-07-21 15:42:58,994 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[437317,437330] [2022-07-21 15:42:58,995 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[437465,437478] [2022-07-21 15:42:58,996 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[437622,437635] [2022-07-21 15:42:58,996 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[437771,437784] [2022-07-21 15:42:58,996 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[437927,437940] [2022-07-21 15:42:58,997 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[438080,438093] [2022-07-21 15:42:58,997 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[438226,438239] [2022-07-21 15:42:58,997 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[438369,438382] [2022-07-21 15:42:58,998 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[438521,438534] [2022-07-21 15:42:58,998 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[438667,438680] [2022-07-21 15:42:58,999 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[438812,438825] [2022-07-21 15:42:58,999 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[438966,438979] [2022-07-21 15:42:59,000 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[439117,439130] [2022-07-21 15:42:59,000 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[439272,439285] [2022-07-21 15:42:59,001 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[439424,439437] [2022-07-21 15:42:59,001 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[439579,439592] [2022-07-21 15:42:59,001 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[439743,439756] [2022-07-21 15:42:59,002 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[439899,439912] [2022-07-21 15:42:59,002 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[440063,440076] [2022-07-21 15:42:59,003 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[440205,440218] [2022-07-21 15:42:59,003 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[440363,440376] [2022-07-21 15:42:59,003 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[440530,440543] [2022-07-21 15:42:59,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440689,440702] [2022-07-21 15:42:59,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440848,440861] [2022-07-21 15:42:59,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[440997,441010] [2022-07-21 15:42:59,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441144,441157] [2022-07-21 15:42:59,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441283,441296] [2022-07-21 15:42:59,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441446,441459] [2022-07-21 15:42:59,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441612,441625] [2022-07-21 15:42:59,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[441776,441789] [2022-07-21 15:42:59,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,011 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445009,445022] [2022-07-21 15:42:59,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445158,445171] [2022-07-21 15:42:59,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445310,445323] [2022-07-21 15:42:59,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445458,445471] [2022-07-21 15:42:59,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445611,445624] [2022-07-21 15:42:59,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445762,445775] [2022-07-21 15:42:59,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[445912,445925] [2022-07-21 15:42:59,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446059,446072] [2022-07-21 15:42:59,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446210,446223] [2022-07-21 15:42:59,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446361,446374] [2022-07-21 15:42:59,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446509,446522] [2022-07-21 15:42:59,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446675,446688] [2022-07-21 15:42:59,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[446844,446857] [2022-07-21 15:42:59,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447011,447024] [2022-07-21 15:42:59,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447179,447192] [2022-07-21 15:42:59,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447329,447342] [2022-07-21 15:42:59,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447476,447489] [2022-07-21 15:42:59,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447637,447650] [2022-07-21 15:42:59,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447807,447820] [2022-07-21 15:42:59,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i[447969,447982] [2022-07-21 15:42:59,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:42:59,088 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 15:42:59,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,585 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,585 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,585 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/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] [2022-07-21 15:42:59,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:42:59,841 INFO L208 MainTranslator]: Completed translation [2022-07-21 15:42:59,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:59 WrapperNode [2022-07-21 15:42:59,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 15:42:59,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 15:42:59,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 15:42:59,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 15:42:59,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:59" (1/1) ... [2022-07-21 15:42:59,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:59" (1/1) ... [2022-07-21 15:43:00,086 INFO L137 Inliner]: procedures = 757, calls = 3425, calls flagged for inlining = 401, calls inlined = 237, statements flattened = 6639 [2022-07-21 15:43:00,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 15:43:00,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 15:43:00,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 15:43:00,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 15:43:00,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:59" (1/1) ... [2022-07-21 15:43:00,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:59" (1/1) ... [2022-07-21 15:43:00,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:59" (1/1) ... [2022-07-21 15:43:00,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:59" (1/1) ... [2022-07-21 15:43:00,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:59" (1/1) ... [2022-07-21 15:43:00,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:59" (1/1) ... [2022-07-21 15:43:00,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:59" (1/1) ... [2022-07-21 15:43:00,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 15:43:00,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 15:43:00,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 15:43:00,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 15:43:00,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:59" (1/1) ... [2022-07-21 15:43:00,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:43:00,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:43:00,301 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) [2022-07-21 15:43:00,325 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 [2022-07-21 15:43:00,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-07-21 15:43:00,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-07-21 15:43:00,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 15:43:00,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 15:43:00,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-21 15:43:00,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-21 15:43:00,337 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-07-21 15:43:00,338 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-07-21 15:43:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure u132_disable [2022-07-21 15:43:00,338 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_disable [2022-07-21 15:43:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 15:43:00,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 15:43:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure u132_remove [2022-07-21 15:43:00,338 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_remove [2022-07-21 15:43:00,338 INFO L130 BoogieDeclarations]: Found specification of procedure u132_udev_init_kref [2022-07-21 15:43:00,338 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_udev_init_kref [2022-07-21 15:43:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-07-21 15:43:00,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-07-21 15:43:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-07-21 15:43:00,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-07-21 15:43:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 15:43:00,339 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 15:43:00,339 INFO L130 BoogieDeclarations]: Found specification of procedure u132_udev_put_kref [2022-07-21 15:43:00,339 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_udev_put_kref [2022-07-21 15:43:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ftdi_elan_read_pcimem [2022-07-21 15:43:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ftdi_elan_read_pcimem [2022-07-21 15:43:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure u132_ring_requeue_work [2022-07-21 15:43:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_ring_requeue_work [2022-07-21 15:43:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure u132_bus_suspend [2022-07-21 15:43:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_bus_suspend [2022-07-21 15:43:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure u132_get_frame [2022-07-21 15:43:00,340 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_get_frame [2022-07-21 15:43:00,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 15:43:00,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 15:43:00,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 15:43:00,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 15:43:00,341 INFO L130 BoogieDeclarations]: Found specification of procedure edset_output [2022-07-21 15:43:00,341 INFO L138 BoogieDeclarations]: Found implementation of procedure edset_output [2022-07-21 15:43:00,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-07-21 15:43:00,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-07-21 15:43:00,341 INFO L130 BoogieDeclarations]: Found specification of procedure read_roothub_info [2022-07-21 15:43:00,341 INFO L138 BoogieDeclarations]: Found implementation of procedure read_roothub_info [2022-07-21 15:43:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_scheduler_lock_of_u132 [2022-07-21 15:43:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_scheduler_lock_of_u132 [2022-07-21 15:43:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure edset_single [2022-07-21 15:43:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure edset_single [2022-07-21 15:43:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 15:43:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 15:43:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 15:43:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 15:43:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure edset_setup [2022-07-21 15:43:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure edset_setup [2022-07-21 15:43:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-21 15:43:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-21 15:43:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 15:43:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 15:43:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-07-21 15:43:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-07-21 15:43:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure u132_resume [2022-07-21 15:43:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_resume [2022-07-21 15:43:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_gone_away [2022-07-21 15:43:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_gone_away [2022-07-21 15:43:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 15:43:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 15:43:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-07-21 15:43:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-07-21 15:43:00,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 15:43:00,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 15:43:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure u132_endp_cancel_work [2022-07-21 15:43:00,345 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_endp_cancel_work [2022-07-21 15:43:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-21 15:43:00,345 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-21 15:43:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-21 15:43:00,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-21 15:43:00,345 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-07-21 15:43:00,345 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-07-21 15:43:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_ring_work_scheduler [2022-07-21 15:43:00,346 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_ring_work_scheduler [2022-07-21 15:43:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-07-21 15:43:00,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-07-21 15:43:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-21 15:43:00,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-21 15:43:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-07-21 15:43:00,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-07-21 15:43:00,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 15:43:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 15:43:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure u132_u132_put_kref [2022-07-21 15:43:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_u132_put_kref [2022-07-21 15:43:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-21 15:43:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-21 15:43:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-07-21 15:43:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-07-21 15:43:00,347 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_endp_work_scheduler [2022-07-21 15:43:00,347 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_endp_work_scheduler [2022-07-21 15:43:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-21 15:43:00,348 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-21 15:43:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-21 15:43:00,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-21 15:43:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_monitor_work [2022-07-21 15:43:00,348 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_monitor_work [2022-07-21 15:43:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 15:43:00,348 INFO L130 BoogieDeclarations]: Found specification of procedure u132_monitor_requeue_work [2022-07-21 15:43:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_monitor_requeue_work [2022-07-21 15:43:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_stop [2022-07-21 15:43:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_stop [2022-07-21 15:43:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 15:43:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 15:43:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 15:43:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 15:43:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_giveback_urb [2022-07-21 15:43:00,349 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_giveback_urb [2022-07-21 15:43:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 15:43:00,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 15:43:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ftdi_elan_write_pcimem [2022-07-21 15:43:00,350 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ftdi_elan_write_pcimem [2022-07-21 15:43:00,350 INFO L130 BoogieDeclarations]: Found specification of procedure u132_endp_queue_work [2022-07-21 15:43:00,387 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_endp_queue_work [2022-07-21 15:43:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_u132_module_lock [2022-07-21 15:43:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_u132_module_lock [2022-07-21 15:43:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure u132_ring_queue_work [2022-07-21 15:43:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_ring_queue_work [2022-07-21 15:43:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_drvdata [2022-07-21 15:43:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_drvdata [2022-07-21 15:43:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 15:43:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 15:43:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 15:43:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 15:43:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_start [2022-07-21 15:43:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_start [2022-07-21 15:43:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-07-21 15:43:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-07-21 15:43:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ftdi_elan_edset_input [2022-07-21 15:43:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ftdi_elan_edset_input [2022-07-21 15:43:00,388 INFO L130 BoogieDeclarations]: Found specification of procedure u132_to_hcd [2022-07-21 15:43:00,388 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_to_hcd [2022-07-21 15:43:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure u132_probe [2022-07-21 15:43:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_probe [2022-07-21 15:43:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_sw_lock_of_u132 [2022-07-21 15:43:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_sw_lock_of_u132 [2022-07-21 15:43:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-21 15:43:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-21 15:43:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 15:43:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 15:43:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure u132_endp_init_kref [2022-07-21 15:43:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_endp_init_kref [2022-07-21 15:43:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_sw_lock_of_u132 [2022-07-21 15:43:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_sw_lock_of_u132 [2022-07-21 15:43:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 15:43:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 15:43:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 15:43:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-21 15:43:00,389 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-21 15:43:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 15:43:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 15:43:00,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 15:43:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 15:43:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 15:43:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure u132_udev_get_kref [2022-07-21 15:43:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_udev_get_kref [2022-07-21 15:43:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 15:43:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 15:43:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_u132 [2022-07-21 15:43:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_u132 [2022-07-21 15:43:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-07-21 15:43:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-07-21 15:43:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_giveback_urb [2022-07-21 15:43:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_giveback_urb [2022-07-21 15:43:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure u132_bus_resume [2022-07-21 15:43:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_bus_resume [2022-07-21 15:43:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_slock_of_u132_spin [2022-07-21 15:43:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_slock_of_u132_spin [2022-07-21 15:43:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-07-21 15:43:00,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-07-21 15:43:00,390 INFO L130 BoogieDeclarations]: Found specification of procedure u132_endp_delete [2022-07-21 15:43:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_endp_delete [2022-07-21 15:43:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 15:43:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2022-07-21 15:43:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2022-07-21 15:43:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 15:43:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 15:43:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-21 15:43:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-21 15:43:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure u132_endp_put_kref [2022-07-21 15:43:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_endp_put_kref [2022-07-21 15:43:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 15:43:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_100 [2022-07-21 15:43:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_100 [2022-07-21 15:43:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 15:43:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 15:43:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 15:43:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 15:43:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 15:43:00,391 INFO L130 BoogieDeclarations]: Found specification of procedure u132_ring_put_kref [2022-07-21 15:43:00,391 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_ring_put_kref [2022-07-21 15:43:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-21 15:43:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-21 15:43:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure u132_endp_urb_dequeue [2022-07-21 15:43:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_endp_urb_dequeue [2022-07-21 15:43:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-21 15:43:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-21 15:43:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 15:43:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 15:43:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 15:43:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 15:43:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure u132_hcd_reset [2022-07-21 15:43:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_hcd_reset [2022-07-21 15:43:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 15:43:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 15:43:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-21 15:43:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-21 15:43:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-21 15:43:00,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-21 15:43:00,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-07-21 15:43:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-07-21 15:43:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure port_power [2022-07-21 15:43:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure port_power [2022-07-21 15:43:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-07-21 15:43:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-07-21 15:43:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 15:43:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 15:43:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-21 15:43:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-21 15:43:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 15:43:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 15:43:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-21 15:43:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-21 15:43:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-21 15:43:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-21 15:43:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2022-07-21 15:43:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2022-07-21 15:43:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 15:43:00,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 15:43:00,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-21 15:43:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-21 15:43:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-07-21 15:43:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-07-21 15:43:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_scheduler_lock_of_u132 [2022-07-21 15:43:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_scheduler_lock_of_u132 [2022-07-21 15:43:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure u132_ring_cancel_work [2022-07-21 15:43:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure u132_ring_cancel_work [2022-07-21 15:43:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 15:43:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 15:43:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-21 15:43:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-21 15:43:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-21 15:43:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-21 15:43:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-21 15:43:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-21 15:43:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-21 15:43:00,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_u132_module_lock [2022-07-21 15:43:00,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_u132_module_lock [2022-07-21 15:43:01,205 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 15:43:01,208 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 15:43:01,378 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 15:43:40,446 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 15:43:40,463 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 15:43:40,463 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 15:43:40,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:43:40 BoogieIcfgContainer [2022-07-21 15:43:40,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 15:43:40,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 15:43:40,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 15:43:40,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 15:43:40,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:42:54" (1/3) ... [2022-07-21 15:43:40,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@283578ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:43:40, skipping insertion in model container [2022-07-21 15:43:40,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:59" (2/3) ... [2022-07-21 15:43:40,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@283578ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:43:40, skipping insertion in model container [2022-07-21 15:43:40,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:43:40" (3/3) ... [2022-07-21 15:43:40,473 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--host--u132-hcd.ko.cil.i [2022-07-21 15:43:40,484 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 15:43:40,484 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-07-21 15:43:40,576 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 15:43:40,581 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@3c735ff4, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@79f4b06a [2022-07-21 15:43:40,581 INFO L358 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2022-07-21 15:43:40,592 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) [2022-07-21 15:43:40,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-07-21 15:43:40,603 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:43:40,603 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] [2022-07-21 15:43:40,604 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)] === [2022-07-21 15:43:40,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:43:40,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1788017132, now seen corresponding path program 1 times [2022-07-21 15:43:40,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:43:40,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897763558] [2022-07-21 15:43:40,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:43:40,623 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:43:40,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:43:40,629 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) [2022-07-21 15:43:40,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 15:43:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:43:41,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:43:41,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:43:41,995 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:43:41,995 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:43:41,996 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:43:41,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897763558] [2022-07-21 15:43:41,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1897763558] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:43:41,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:43:41,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:43:41,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261668942] [2022-07-21 15:43:41,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:43:42,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:43:42,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:43:42,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:43:42,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:43:42,028 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) [2022-07-21 15:43:42,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:43:42,329 INFO L93 Difference]: Finished difference Result 4241 states and 6214 transitions. [2022-07-21 15:43:42,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:43:42,331 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 [2022-07-21 15:43:42,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:43:42,364 INFO L225 Difference]: With dead ends: 4241 [2022-07-21 15:43:42,364 INFO L226 Difference]: Without dead ends: 2119 [2022-07-21 15:43:42,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:43:42,386 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 [2022-07-21 15:43:42,386 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] [2022-07-21 15:43:42,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2119 states. [2022-07-21 15:43:42,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2119 to 2119. [2022-07-21 15:43:42,547 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) [2022-07-21 15:43:42,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 2119 states and 2964 transitions. [2022-07-21 15:43:42,563 INFO L78 Accepts]: Start accepts. Automaton has 2119 states and 2964 transitions. Word has length 61 [2022-07-21 15:43:42,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:43:42,565 INFO L495 AbstractCegarLoop]: Abstraction has 2119 states and 2964 transitions. [2022-07-21 15:43:42,565 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) [2022-07-21 15:43:42,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 2964 transitions. [2022-07-21 15:43:42,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-21 15:43:42,573 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:43:42,574 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] [2022-07-21 15:43:42,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 15:43:42,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:43:42,796 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)] === [2022-07-21 15:43:42,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:43:42,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1487276142, now seen corresponding path program 1 times [2022-07-21 15:43:42,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:43:42,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1152489984] [2022-07-21 15:43:42,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:43:42,799 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:43:42,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:43:42,800 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) [2022-07-21 15:43:42,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 15:43:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:43:43,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:43:43,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:43:44,086 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:43:44,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:43:44,086 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:43:44,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1152489984] [2022-07-21 15:43:44,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1152489984] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:43:44,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:43:44,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:43:44,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428841953] [2022-07-21 15:43:44,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:43:44,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:43:44,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:43:44,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:43:44,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:43:44,090 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) [2022-07-21 15:43:44,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:43:44,194 INFO L93 Difference]: Finished difference Result 2119 states and 2964 transitions. [2022-07-21 15:43:44,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:43:44,194 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 [2022-07-21 15:43:44,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:43:44,205 INFO L225 Difference]: With dead ends: 2119 [2022-07-21 15:43:44,205 INFO L226 Difference]: Without dead ends: 2117 [2022-07-21 15:43:44,206 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 [2022-07-21 15:43:44,207 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 [2022-07-21 15:43:44,207 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] [2022-07-21 15:43:44,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2117 states. [2022-07-21 15:43:44,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2117 to 2117. [2022-07-21 15:43:44,265 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) [2022-07-21 15:43:44,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 2117 states and 2962 transitions. [2022-07-21 15:43:44,277 INFO L78 Accepts]: Start accepts. Automaton has 2117 states and 2962 transitions. Word has length 67 [2022-07-21 15:43:44,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:43:44,278 INFO L495 AbstractCegarLoop]: Abstraction has 2117 states and 2962 transitions. [2022-07-21 15:43:44,278 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) [2022-07-21 15:43:44,278 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 2962 transitions. [2022-07-21 15:43:44,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-07-21 15:43:44,279 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:43:44,279 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] [2022-07-21 15:43:44,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 15:43:44,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:43:44,499 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)] === [2022-07-21 15:43:44,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:43:44,499 INFO L85 PathProgramCache]: Analyzing trace with hash -2020854893, now seen corresponding path program 1 times [2022-07-21 15:43:44,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:43:44,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049126017] [2022-07-21 15:43:44,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:43:44,501 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:43:44,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:43:44,502 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) [2022-07-21 15:43:44,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 15:43:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:43:45,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-21 15:43:45,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:43:45,861 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-21 15:43:45,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:43:45,861 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:43:45,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1049126017] [2022-07-21 15:43:45,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1049126017] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:43:45,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:43:45,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-21 15:43:45,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791271785] [2022-07-21 15:43:45,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:43:45,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-21 15:43:45,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:43:45,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-21 15:43:45,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-07-21 15:43:45,864 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) [2022-07-21 15:43:48,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:43:48,040 INFO L93 Difference]: Finished difference Result 3824 states and 5338 transitions. [2022-07-21 15:43:48,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 15:43:48,041 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 [2022-07-21 15:43:48,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:43:48,054 INFO L225 Difference]: With dead ends: 3824 [2022-07-21 15:43:48,054 INFO L226 Difference]: Without dead ends: 2153 [2022-07-21 15:43:48,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2022-07-21 15:43:48,062 INFO L413 NwaCegarLoop]: 2957 mSDtfsCounter, 44 mSDsluCounter, 35264 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 38221 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-21 15:43:48,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 38221 Invalid, 616 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [170 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-21 15:43:48,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2153 states. [2022-07-21 15:43:48,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2153 to 2129. [2022-07-21 15:43:48,127 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) [2022-07-21 15:43:48,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 2129 states and 2978 transitions. [2022-07-21 15:43:48,140 INFO L78 Accepts]: Start accepts. Automaton has 2129 states and 2978 transitions. Word has length 69 [2022-07-21 15:43:48,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:43:48,141 INFO L495 AbstractCegarLoop]: Abstraction has 2129 states and 2978 transitions. [2022-07-21 15:43:48,141 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) [2022-07-21 15:43:48,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 2978 transitions. [2022-07-21 15:43:48,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-21 15:43:48,143 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:43:48,144 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] [2022-07-21 15:43:48,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 15:43:48,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:43:48,358 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)] === [2022-07-21 15:43:48,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:43:48,358 INFO L85 PathProgramCache]: Analyzing trace with hash 30076442, now seen corresponding path program 1 times [2022-07-21 15:43:48,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:43:48,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861834789] [2022-07-21 15:43:48,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:43:48,360 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:43:48,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:43:48,362 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) [2022-07-21 15:43:48,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 15:43:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:43:49,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:43:49,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:43:49,610 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:43:49,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:43:49,611 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:43:49,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861834789] [2022-07-21 15:43:49,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1861834789] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:43:49,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:43:49,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:43:49,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488205497] [2022-07-21 15:43:49,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:43:49,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:43:49,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:43:49,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:43:49,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:43:49,613 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) [2022-07-21 15:43:49,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:43:49,710 INFO L93 Difference]: Finished difference Result 2129 states and 2978 transitions. [2022-07-21 15:43:49,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:43:49,711 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 [2022-07-21 15:43:49,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:43:49,722 INFO L225 Difference]: With dead ends: 2129 [2022-07-21 15:43:49,722 INFO L226 Difference]: Without dead ends: 2127 [2022-07-21 15:43:49,724 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 [2022-07-21 15:43:49,724 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 [2022-07-21 15:43:49,725 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] [2022-07-21 15:43:49,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2127 states. [2022-07-21 15:43:49,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2127 to 2127. [2022-07-21 15:43:49,788 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) [2022-07-21 15:43:49,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 2976 transitions. [2022-07-21 15:43:49,800 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 2976 transitions. Word has length 73 [2022-07-21 15:43:49,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:43:49,800 INFO L495 AbstractCegarLoop]: Abstraction has 2127 states and 2976 transitions. [2022-07-21 15:43:49,801 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) [2022-07-21 15:43:49,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2976 transitions. [2022-07-21 15:43:49,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-21 15:43:49,802 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:43:49,802 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] [2022-07-21 15:43:49,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 15:43:50,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:43:50,023 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)] === [2022-07-21 15:43:50,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:43:50,023 INFO L85 PathProgramCache]: Analyzing trace with hash 899638919, now seen corresponding path program 1 times [2022-07-21 15:43:50,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:43:50,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [628344455] [2022-07-21 15:43:50,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:43:50,025 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:43:50,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:43:50,026 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) [2022-07-21 15:43:50,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 15:43:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:43:50,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:43:50,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:43:51,264 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:43:51,264 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:43:51,264 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:43:51,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [628344455] [2022-07-21 15:43:51,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [628344455] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:43:51,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:43:51,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:43:51,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676213045] [2022-07-21 15:43:51,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:43:51,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:43:51,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:43:51,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:43:51,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:43:51,266 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) [2022-07-21 15:43:51,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:43:51,388 INFO L93 Difference]: Finished difference Result 2127 states and 2976 transitions. [2022-07-21 15:43:51,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:43:51,389 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 [2022-07-21 15:43:51,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:43:51,399 INFO L225 Difference]: With dead ends: 2127 [2022-07-21 15:43:51,399 INFO L226 Difference]: Without dead ends: 2125 [2022-07-21 15:43:51,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:43:51,401 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 [2022-07-21 15:43:51,401 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] [2022-07-21 15:43:51,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2125 states. [2022-07-21 15:43:51,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2125 to 2125. [2022-07-21 15:43:51,466 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) [2022-07-21 15:43:51,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2974 transitions. [2022-07-21 15:43:51,476 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2974 transitions. Word has length 79 [2022-07-21 15:43:51,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:43:51,477 INFO L495 AbstractCegarLoop]: Abstraction has 2125 states and 2974 transitions. [2022-07-21 15:43:51,477 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) [2022-07-21 15:43:51,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2974 transitions. [2022-07-21 15:43:51,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-07-21 15:43:51,478 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:43:51,478 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] [2022-07-21 15:43:51,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 15:43:51,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:43:51,700 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)] === [2022-07-21 15:43:51,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:43:51,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1031673593, now seen corresponding path program 1 times [2022-07-21 15:43:51,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:43:51,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1456875544] [2022-07-21 15:43:51,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:43:51,702 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:43:51,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:43:51,703 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) [2022-07-21 15:43:51,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 15:43:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:43:52,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 27 conjunts are in the unsatisfiable core [2022-07-21 15:43:52,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:43:53,273 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-21 15:43:53,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 15:43:53,994 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-07-21 15:43:53,994 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:43:53,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1456875544] [2022-07-21 15:43:53,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1456875544] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 15:43:53,994 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 15:43:53,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 20 [2022-07-21 15:43:53,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30144525] [2022-07-21 15:43:53,995 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 15:43:53,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-21 15:43:53,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:43:53,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-21 15:43:53,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2022-07-21 15:43:53,996 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) [2022-07-21 15:43:57,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:43:57,725 INFO L93 Difference]: Finished difference Result 3852 states and 5390 transitions. [2022-07-21 15:43:57,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-21 15:43:57,726 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 [2022-07-21 15:43:57,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:43:57,739 INFO L225 Difference]: With dead ends: 3852 [2022-07-21 15:43:57,739 INFO L226 Difference]: Without dead ends: 2185 [2022-07-21 15:43:57,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=235, Invalid=1097, Unknown=0, NotChecked=0, Total=1332 [2022-07-21 15:43:57,750 INFO L413 NwaCegarLoop]: 3000 mSDtfsCounter, 77 mSDsluCounter, 50451 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.3s IncrementalHoareTripleChecker+Time [2022-07-21 15:43:57,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 53451 Invalid, 1193 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [407 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-21 15:43:57,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2185 states. [2022-07-21 15:43:57,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2185 to 2127. [2022-07-21 15:43:57,829 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) [2022-07-21 15:43:57,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 2976 transitions. [2022-07-21 15:43:57,844 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 2976 transitions. Word has length 84 [2022-07-21 15:43:57,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:43:57,845 INFO L495 AbstractCegarLoop]: Abstraction has 2127 states and 2976 transitions. [2022-07-21 15:43:57,845 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) [2022-07-21 15:43:57,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2976 transitions. [2022-07-21 15:43:57,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-07-21 15:43:57,849 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:43:57,850 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] [2022-07-21 15:43:57,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 15:43:58,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:43:58,076 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)] === [2022-07-21 15:43:58,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:43:58,076 INFO L85 PathProgramCache]: Analyzing trace with hash 939608448, now seen corresponding path program 1 times [2022-07-21 15:43:58,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:43:58,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [15442710] [2022-07-21 15:43:58,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:43:58,077 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:43:58,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:43:58,084 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) [2022-07-21 15:43:58,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 15:43:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:43:59,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:43:59,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:43:59,490 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:43:59,490 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:43:59,490 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:43:59,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [15442710] [2022-07-21 15:43:59,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [15442710] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:43:59,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:43:59,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:43:59,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465321477] [2022-07-21 15:43:59,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:43:59,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:43:59,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:43:59,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:43:59,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:43:59,493 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) [2022-07-21 15:43:59,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:43:59,586 INFO L93 Difference]: Finished difference Result 2127 states and 2976 transitions. [2022-07-21 15:43:59,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:43:59,586 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 [2022-07-21 15:43:59,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:43:59,598 INFO L225 Difference]: With dead ends: 2127 [2022-07-21 15:43:59,598 INFO L226 Difference]: Without dead ends: 2125 [2022-07-21 15:43:59,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:43:59,599 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 [2022-07-21 15:43:59,600 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] [2022-07-21 15:43:59,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2125 states. [2022-07-21 15:43:59,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2125 to 2125. [2022-07-21 15:43:59,681 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) [2022-07-21 15:43:59,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2974 transitions. [2022-07-21 15:43:59,693 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2974 transitions. Word has length 85 [2022-07-21 15:43:59,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:43:59,694 INFO L495 AbstractCegarLoop]: Abstraction has 2125 states and 2974 transitions. [2022-07-21 15:43:59,695 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) [2022-07-21 15:43:59,695 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2974 transitions. [2022-07-21 15:43:59,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-07-21 15:43:59,696 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:43:59,696 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] [2022-07-21 15:43:59,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 15:43:59,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:43:59,916 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)] === [2022-07-21 15:43:59,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:43:59,916 INFO L85 PathProgramCache]: Analyzing trace with hash 646919525, now seen corresponding path program 1 times [2022-07-21 15:43:59,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:43:59,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1135355110] [2022-07-21 15:43:59,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:43:59,918 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:43:59,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:43:59,919 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) [2022-07-21 15:43:59,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 15:44:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:00,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:44:00,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:01,209 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:44:01,209 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:01,209 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:01,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1135355110] [2022-07-21 15:44:01,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1135355110] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:01,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:01,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:44:01,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900109335] [2022-07-21 15:44:01,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:01,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:44:01,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:01,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:44:01,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:44:01,211 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) [2022-07-21 15:44:01,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:01,323 INFO L93 Difference]: Finished difference Result 2125 states and 2974 transitions. [2022-07-21 15:44:01,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:44:01,323 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 [2022-07-21 15:44:01,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:01,334 INFO L225 Difference]: With dead ends: 2125 [2022-07-21 15:44:01,334 INFO L226 Difference]: Without dead ends: 2123 [2022-07-21 15:44:01,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:44:01,336 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 [2022-07-21 15:44:01,336 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] [2022-07-21 15:44:01,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2022-07-21 15:44:01,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 2123. [2022-07-21 15:44:01,429 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) [2022-07-21 15:44:01,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 2972 transitions. [2022-07-21 15:44:01,440 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 2972 transitions. Word has length 91 [2022-07-21 15:44:01,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:01,441 INFO L495 AbstractCegarLoop]: Abstraction has 2123 states and 2972 transitions. [2022-07-21 15:44:01,442 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) [2022-07-21 15:44:01,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2972 transitions. [2022-07-21 15:44:01,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-21 15:44:01,443 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:01,444 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] [2022-07-21 15:44:01,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 15:44:01,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:01,659 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)] === [2022-07-21 15:44:01,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:01,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1307078380, now seen corresponding path program 1 times [2022-07-21 15:44:01,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:01,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1915330631] [2022-07-21 15:44:01,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:01,660 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:01,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:01,662 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) [2022-07-21 15:44:01,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 15:44:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:02,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:44:02,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:02,858 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:44:02,858 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:02,858 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:02,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1915330631] [2022-07-21 15:44:02,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1915330631] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:02,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:02,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:44:02,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318711953] [2022-07-21 15:44:02,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:02,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:44:02,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:02,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:44:02,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:44:02,860 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) [2022-07-21 15:44:02,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:02,952 INFO L93 Difference]: Finished difference Result 2123 states and 2972 transitions. [2022-07-21 15:44:02,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:44:02,952 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 [2022-07-21 15:44:02,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:02,962 INFO L225 Difference]: With dead ends: 2123 [2022-07-21 15:44:02,963 INFO L226 Difference]: Without dead ends: 2121 [2022-07-21 15:44:02,964 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 [2022-07-21 15:44:02,966 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 [2022-07-21 15:44:02,966 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] [2022-07-21 15:44:02,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2121 states. [2022-07-21 15:44:03,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2121 to 2121. [2022-07-21 15:44:03,047 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) [2022-07-21 15:44:03,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 2970 transitions. [2022-07-21 15:44:03,055 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 2970 transitions. Word has length 97 [2022-07-21 15:44:03,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:03,058 INFO L495 AbstractCegarLoop]: Abstraction has 2121 states and 2970 transitions. [2022-07-21 15:44:03,058 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) [2022-07-21 15:44:03,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2970 transitions. [2022-07-21 15:44:03,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-21 15:44:03,062 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:03,063 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] [2022-07-21 15:44:03,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-21 15:44:03,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:03,282 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)] === [2022-07-21 15:44:03,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:03,283 INFO L85 PathProgramCache]: Analyzing trace with hash -500874874, now seen corresponding path program 1 times [2022-07-21 15:44:03,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:03,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1629959532] [2022-07-21 15:44:03,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:03,284 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:03,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:03,289 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) [2022-07-21 15:44:03,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-21 15:44:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:04,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 1104 conjuncts, 18 conjunts are in the unsatisfiable core [2022-07-21 15:44:04,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:04,454 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-21 15:44:04,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 15:44:05,105 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-07-21 15:44:05,106 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:05,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1629959532] [2022-07-21 15:44:05,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1629959532] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 15:44:05,106 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 15:44:05,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-07-21 15:44:05,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413616831] [2022-07-21 15:44:05,106 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 15:44:05,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 15:44:05,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:05,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 15:44:05,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-21 15:44:05,107 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) [2022-07-21 15:44:06,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:06,233 INFO L93 Difference]: Finished difference Result 4229 states and 5932 transitions. [2022-07-21 15:44:06,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 15:44:06,235 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 [2022-07-21 15:44:06,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:06,246 INFO L225 Difference]: With dead ends: 4229 [2022-07-21 15:44:06,246 INFO L226 Difference]: Without dead ends: 2145 [2022-07-21 15:44:06,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 206 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-07-21 15:44:06,254 INFO L413 NwaCegarLoop]: 2990 mSDtfsCounter, 771 mSDsluCounter, 16858 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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 [2022-07-21 15:44:06,255 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] [2022-07-21 15:44:06,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2022-07-21 15:44:06,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 2121. [2022-07-21 15:44:06,342 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) [2022-07-21 15:44:06,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 2969 transitions. [2022-07-21 15:44:06,351 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 2969 transitions. Word has length 108 [2022-07-21 15:44:06,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:06,351 INFO L495 AbstractCegarLoop]: Abstraction has 2121 states and 2969 transitions. [2022-07-21 15:44:06,351 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) [2022-07-21 15:44:06,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2969 transitions. [2022-07-21 15:44:06,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-21 15:44:06,353 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:06,353 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] [2022-07-21 15:44:06,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-21 15:44:06,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:06,571 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)] === [2022-07-21 15:44:06,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:06,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1791612701, now seen corresponding path program 1 times [2022-07-21 15:44:06,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:06,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [864267665] [2022-07-21 15:44:06,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:06,573 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:06,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:06,575 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) [2022-07-21 15:44:06,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-21 15:44:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:07,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:44:07,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:07,924 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-21 15:44:07,924 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:07,924 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:07,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [864267665] [2022-07-21 15:44:07,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [864267665] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:07,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:07,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:44:07,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182765475] [2022-07-21 15:44:07,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:07,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:44:07,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:07,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:44:07,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:44:07,925 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) [2022-07-21 15:44:08,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:08,151 INFO L93 Difference]: Finished difference Result 4344 states and 6027 transitions. [2022-07-21 15:44:08,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:44:08,152 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 [2022-07-21 15:44:08,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:08,164 INFO L225 Difference]: With dead ends: 4344 [2022-07-21 15:44:08,165 INFO L226 Difference]: Without dead ends: 2262 [2022-07-21 15:44:08,174 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 [2022-07-21 15:44:08,175 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 [2022-07-21 15:44:08,175 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] [2022-07-21 15:44:08,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2262 states. [2022-07-21 15:44:08,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2262 to 2230. [2022-07-21 15:44:08,299 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) [2022-07-21 15:44:08,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 2230 states and 3070 transitions. [2022-07-21 15:44:08,308 INFO L78 Accepts]: Start accepts. Automaton has 2230 states and 3070 transitions. Word has length 112 [2022-07-21 15:44:08,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:08,308 INFO L495 AbstractCegarLoop]: Abstraction has 2230 states and 3070 transitions. [2022-07-21 15:44:08,309 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) [2022-07-21 15:44:08,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 3070 transitions. [2022-07-21 15:44:08,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-21 15:44:08,310 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:08,311 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] [2022-07-21 15:44:08,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-21 15:44:08,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:08,533 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)] === [2022-07-21 15:44:08,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:08,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1020705901, now seen corresponding path program 1 times [2022-07-21 15:44:08,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:08,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [610324178] [2022-07-21 15:44:08,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:08,534 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:08,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:08,536 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) [2022-07-21 15:44:08,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-21 15:44:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:09,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 939 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:44:09,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:09,800 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:44:09,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:09,801 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:09,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [610324178] [2022-07-21 15:44:09,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [610324178] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:09,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:09,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:44:09,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884220593] [2022-07-21 15:44:09,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:09,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:44:09,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:09,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:44:09,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:44:09,803 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) [2022-07-21 15:44:09,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:09,919 INFO L93 Difference]: Finished difference Result 2230 states and 3070 transitions. [2022-07-21 15:44:09,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:44:09,920 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 [2022-07-21 15:44:09,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:09,938 INFO L225 Difference]: With dead ends: 2230 [2022-07-21 15:44:09,938 INFO L226 Difference]: Without dead ends: 2228 [2022-07-21 15:44:09,940 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 [2022-07-21 15:44:09,941 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 [2022-07-21 15:44:09,941 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] [2022-07-21 15:44:09,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2228 states. [2022-07-21 15:44:10,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 2228. [2022-07-21 15:44:10,038 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) [2022-07-21 15:44:10,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 3067 transitions. [2022-07-21 15:44:10,045 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 3067 transitions. Word has length 103 [2022-07-21 15:44:10,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:10,046 INFO L495 AbstractCegarLoop]: Abstraction has 2228 states and 3067 transitions. [2022-07-21 15:44:10,047 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) [2022-07-21 15:44:10,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 3067 transitions. [2022-07-21 15:44:10,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-21 15:44:10,048 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:10,048 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] [2022-07-21 15:44:10,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-07-21 15:44:10,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:10,270 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)] === [2022-07-21 15:44:10,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:10,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1645689226, now seen corresponding path program 1 times [2022-07-21 15:44:10,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:10,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1262988654] [2022-07-21 15:44:10,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:10,272 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:10,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:10,273 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) [2022-07-21 15:44:10,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-21 15:44:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:10,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:44:10,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:11,520 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:44:11,520 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:11,520 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:11,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1262988654] [2022-07-21 15:44:11,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1262988654] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:11,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:11,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:44:11,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025022751] [2022-07-21 15:44:11,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:11,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:44:11,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:11,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:44:11,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:44:11,522 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) [2022-07-21 15:44:11,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:11,644 INFO L93 Difference]: Finished difference Result 2228 states and 3067 transitions. [2022-07-21 15:44:11,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:44:11,645 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 [2022-07-21 15:44:11,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:11,653 INFO L225 Difference]: With dead ends: 2228 [2022-07-21 15:44:11,653 INFO L226 Difference]: Without dead ends: 2226 [2022-07-21 15:44:11,654 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 [2022-07-21 15:44:11,655 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 [2022-07-21 15:44:11,655 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] [2022-07-21 15:44:11,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2226 states. [2022-07-21 15:44:11,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2226 to 2226. [2022-07-21 15:44:11,749 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) [2022-07-21 15:44:11,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 2226 states and 3064 transitions. [2022-07-21 15:44:11,756 INFO L78 Accepts]: Start accepts. Automaton has 2226 states and 3064 transitions. Word has length 105 [2022-07-21 15:44:11,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:11,757 INFO L495 AbstractCegarLoop]: Abstraction has 2226 states and 3064 transitions. [2022-07-21 15:44:11,757 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) [2022-07-21 15:44:11,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 3064 transitions. [2022-07-21 15:44:11,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-21 15:44:11,758 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:11,759 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] [2022-07-21 15:44:11,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-21 15:44:11,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:11,982 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)] === [2022-07-21 15:44:11,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:11,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1257847071, now seen corresponding path program 1 times [2022-07-21 15:44:11,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:11,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [972166834] [2022-07-21 15:44:11,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:11,983 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:11,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:11,984 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) [2022-07-21 15:44:11,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-21 15:44:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:12,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:44:12,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:12,995 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-21 15:44:12,995 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:12,995 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:12,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [972166834] [2022-07-21 15:44:12,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [972166834] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:12,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:12,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:44:12,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412121457] [2022-07-21 15:44:12,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:12,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:44:12,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:12,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:44:12,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:44:12,997 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) [2022-07-21 15:44:13,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:13,183 INFO L93 Difference]: Finished difference Result 4409 states and 6070 transitions. [2022-07-21 15:44:13,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:44:13,184 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 [2022-07-21 15:44:13,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:13,201 INFO L225 Difference]: With dead ends: 4409 [2022-07-21 15:44:13,201 INFO L226 Difference]: Without dead ends: 2222 [2022-07-21 15:44:13,210 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 [2022-07-21 15:44:13,211 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 [2022-07-21 15:44:13,211 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] [2022-07-21 15:44:13,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2222 states. [2022-07-21 15:44:13,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2222 to 2222. [2022-07-21 15:44:13,337 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) [2022-07-21 15:44:13,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 2222 states and 3059 transitions. [2022-07-21 15:44:13,344 INFO L78 Accepts]: Start accepts. Automaton has 2222 states and 3059 transitions. Word has length 118 [2022-07-21 15:44:13,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:13,345 INFO L495 AbstractCegarLoop]: Abstraction has 2222 states and 3059 transitions. [2022-07-21 15:44:13,345 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) [2022-07-21 15:44:13,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2222 states and 3059 transitions. [2022-07-21 15:44:13,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-21 15:44:13,346 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:13,347 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] [2022-07-21 15:44:13,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-07-21 15:44:13,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:13,559 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)] === [2022-07-21 15:44:13,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:13,560 INFO L85 PathProgramCache]: Analyzing trace with hash -906403881, now seen corresponding path program 1 times [2022-07-21 15:44:13,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:13,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123916939] [2022-07-21 15:44:13,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:13,561 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:13,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:13,562 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) [2022-07-21 15:44:13,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-07-21 15:44:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:14,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:44:14,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:14,827 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:44:14,827 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:14,827 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:14,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123916939] [2022-07-21 15:44:14,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1123916939] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:14,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:14,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:44:14,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106935430] [2022-07-21 15:44:14,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:14,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:44:14,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:14,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:44:14,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:44:14,829 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) [2022-07-21 15:44:14,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:14,938 INFO L93 Difference]: Finished difference Result 2222 states and 3059 transitions. [2022-07-21 15:44:14,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:44:14,939 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 [2022-07-21 15:44:14,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:14,946 INFO L225 Difference]: With dead ends: 2222 [2022-07-21 15:44:14,947 INFO L226 Difference]: Without dead ends: 2220 [2022-07-21 15:44:14,948 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 [2022-07-21 15:44:14,948 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 [2022-07-21 15:44:14,949 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] [2022-07-21 15:44:14,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2220 states. [2022-07-21 15:44:15,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2220 to 2220. [2022-07-21 15:44:15,055 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) [2022-07-21 15:44:15,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 2220 states and 3056 transitions. [2022-07-21 15:44:15,063 INFO L78 Accepts]: Start accepts. Automaton has 2220 states and 3056 transitions. Word has length 111 [2022-07-21 15:44:15,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:15,063 INFO L495 AbstractCegarLoop]: Abstraction has 2220 states and 3056 transitions. [2022-07-21 15:44:15,063 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) [2022-07-21 15:44:15,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 3056 transitions. [2022-07-21 15:44:15,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-21 15:44:15,065 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:15,065 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] [2022-07-21 15:44:15,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-07-21 15:44:15,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:15,279 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)] === [2022-07-21 15:44:15,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:15,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1776112754, now seen corresponding path program 1 times [2022-07-21 15:44:15,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:15,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [842411809] [2022-07-21 15:44:15,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:15,281 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:15,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:15,283 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) [2022-07-21 15:44:15,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-07-21 15:44:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:16,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:44:16,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:16,451 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-21 15:44:16,452 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:16,452 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:16,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [842411809] [2022-07-21 15:44:16,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [842411809] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:16,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:16,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:44:16,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805096685] [2022-07-21 15:44:16,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:16,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:44:16,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:16,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:44:16,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:44:16,453 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) [2022-07-21 15:44:16,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:16,628 INFO L93 Difference]: Finished difference Result 4397 states and 6054 transitions. [2022-07-21 15:44:16,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:44:16,629 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 [2022-07-21 15:44:16,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:16,636 INFO L225 Difference]: With dead ends: 4397 [2022-07-21 15:44:16,636 INFO L226 Difference]: Without dead ends: 2216 [2022-07-21 15:44:16,644 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 [2022-07-21 15:44:16,645 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 [2022-07-21 15:44:16,645 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] [2022-07-21 15:44:16,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2216 states. [2022-07-21 15:44:16,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2216 to 2216. [2022-07-21 15:44:16,748 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) [2022-07-21 15:44:16,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 3051 transitions. [2022-07-21 15:44:16,756 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 3051 transitions. Word has length 124 [2022-07-21 15:44:16,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:16,756 INFO L495 AbstractCegarLoop]: Abstraction has 2216 states and 3051 transitions. [2022-07-21 15:44:16,756 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) [2022-07-21 15:44:16,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 3051 transitions. [2022-07-21 15:44:16,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-21 15:44:16,758 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:16,759 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] [2022-07-21 15:44:16,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2022-07-21 15:44:16,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:16,979 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)] === [2022-07-21 15:44:16,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:16,980 INFO L85 PathProgramCache]: Analyzing trace with hash -283647224, now seen corresponding path program 1 times [2022-07-21 15:44:16,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:16,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1490161612] [2022-07-21 15:44:16,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:16,981 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:16,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:16,982 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) [2022-07-21 15:44:16,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-07-21 15:44:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:17,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 960 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:44:17,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:18,239 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:44:18,239 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:18,239 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:18,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1490161612] [2022-07-21 15:44:18,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1490161612] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:18,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:18,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:44:18,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716024287] [2022-07-21 15:44:18,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:18,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:44:18,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:18,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:44:18,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:44:18,241 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) [2022-07-21 15:44:18,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:18,352 INFO L93 Difference]: Finished difference Result 2216 states and 3051 transitions. [2022-07-21 15:44:18,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:44:18,352 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 [2022-07-21 15:44:18,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:18,358 INFO L225 Difference]: With dead ends: 2216 [2022-07-21 15:44:18,358 INFO L226 Difference]: Without dead ends: 2214 [2022-07-21 15:44:18,359 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 [2022-07-21 15:44:18,360 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 [2022-07-21 15:44:18,360 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] [2022-07-21 15:44:18,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2022-07-21 15:44:18,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 2214. [2022-07-21 15:44:18,477 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) [2022-07-21 15:44:18,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 3048 transitions. [2022-07-21 15:44:18,484 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 3048 transitions. Word has length 117 [2022-07-21 15:44:18,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:18,484 INFO L495 AbstractCegarLoop]: Abstraction has 2214 states and 3048 transitions. [2022-07-21 15:44:18,484 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) [2022-07-21 15:44:18,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 3048 transitions. [2022-07-21 15:44:18,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-21 15:44:18,487 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:18,487 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] [2022-07-21 15:44:18,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-07-21 15:44:18,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:18,709 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)] === [2022-07-21 15:44:18,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:18,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1320011400, now seen corresponding path program 1 times [2022-07-21 15:44:18,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:18,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1047167710] [2022-07-21 15:44:18,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:18,711 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:18,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:18,712 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) [2022-07-21 15:44:18,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-07-21 15:44:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:19,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:44:19,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:20,033 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:44:20,033 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:20,033 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:20,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1047167710] [2022-07-21 15:44:20,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1047167710] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:20,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:20,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:44:20,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992763038] [2022-07-21 15:44:20,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:20,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:44:20,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:20,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:44:20,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:44:20,035 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) [2022-07-21 15:44:20,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:20,134 INFO L93 Difference]: Finished difference Result 2214 states and 3048 transitions. [2022-07-21 15:44:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:44:20,134 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 [2022-07-21 15:44:20,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:20,141 INFO L225 Difference]: With dead ends: 2214 [2022-07-21 15:44:20,141 INFO L226 Difference]: Without dead ends: 2212 [2022-07-21 15:44:20,142 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 [2022-07-21 15:44:20,142 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 [2022-07-21 15:44:20,142 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] [2022-07-21 15:44:20,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2212 states. [2022-07-21 15:44:20,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2212 to 2212. [2022-07-21 15:44:20,232 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) [2022-07-21 15:44:20,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 2212 states and 3045 transitions. [2022-07-21 15:44:20,239 INFO L78 Accepts]: Start accepts. Automaton has 2212 states and 3045 transitions. Word has length 123 [2022-07-21 15:44:20,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:20,240 INFO L495 AbstractCegarLoop]: Abstraction has 2212 states and 3045 transitions. [2022-07-21 15:44:20,240 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) [2022-07-21 15:44:20,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 3045 transitions. [2022-07-21 15:44:20,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-21 15:44:20,242 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:20,242 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] [2022-07-21 15:44:20,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-07-21 15:44:20,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:20,464 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)] === [2022-07-21 15:44:20,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:20,464 INFO L85 PathProgramCache]: Analyzing trace with hash 2123786986, now seen corresponding path program 1 times [2022-07-21 15:44:20,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:20,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1939903108] [2022-07-21 15:44:20,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:20,465 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:20,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:20,466 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) [2022-07-21 15:44:20,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-07-21 15:44:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:21,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:44:21,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:21,981 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:44:21,981 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:21,981 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:21,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1939903108] [2022-07-21 15:44:21,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1939903108] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:21,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:21,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:44:21,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593242785] [2022-07-21 15:44:21,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:21,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:44:21,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:21,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:44:21,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:44:21,983 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) [2022-07-21 15:44:22,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:22,081 INFO L93 Difference]: Finished difference Result 2212 states and 3045 transitions. [2022-07-21 15:44:22,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:44:22,082 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 [2022-07-21 15:44:22,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:22,089 INFO L225 Difference]: With dead ends: 2212 [2022-07-21 15:44:22,090 INFO L226 Difference]: Without dead ends: 2210 [2022-07-21 15:44:22,091 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 [2022-07-21 15:44:22,091 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 [2022-07-21 15:44:22,091 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] [2022-07-21 15:44:22,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2210 states. [2022-07-21 15:44:22,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2210 to 2210. [2022-07-21 15:44:22,203 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) [2022-07-21 15:44:22,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 2210 states and 3042 transitions. [2022-07-21 15:44:22,209 INFO L78 Accepts]: Start accepts. Automaton has 2210 states and 3042 transitions. Word has length 129 [2022-07-21 15:44:22,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:22,210 INFO L495 AbstractCegarLoop]: Abstraction has 2210 states and 3042 transitions. [2022-07-21 15:44:22,210 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) [2022-07-21 15:44:22,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 3042 transitions. [2022-07-21 15:44:22,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-07-21 15:44:22,212 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:22,213 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] [2022-07-21 15:44:22,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-07-21 15:44:22,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:22,427 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)] === [2022-07-21 15:44:22,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:22,428 INFO L85 PathProgramCache]: Analyzing trace with hash -441552089, now seen corresponding path program 1 times [2022-07-21 15:44:22,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:22,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350068098] [2022-07-21 15:44:22,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:22,429 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:22,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:22,431 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) [2022-07-21 15:44:22,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-07-21 15:44:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:23,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 1122 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 15:44:23,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:24,128 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-07-21 15:44:24,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:24,129 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:24,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1350068098] [2022-07-21 15:44:24,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1350068098] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:24,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:24,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:44:24,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34598005] [2022-07-21 15:44:24,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:24,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 15:44:24,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:24,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 15:44:24,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:44:24,130 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) [2022-07-21 15:44:24,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:24,298 INFO L93 Difference]: Finished difference Result 2229 states and 3057 transitions. [2022-07-21 15:44:24,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:44:24,303 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 [2022-07-21 15:44:24,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:24,308 INFO L225 Difference]: With dead ends: 2229 [2022-07-21 15:44:24,308 INFO L226 Difference]: Without dead ends: 2227 [2022-07-21 15:44:24,309 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 [2022-07-21 15:44:24,309 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 [2022-07-21 15:44:24,309 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] [2022-07-21 15:44:24,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2227 states. [2022-07-21 15:44:24,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2227 to 2225. [2022-07-21 15:44:24,401 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) [2022-07-21 15:44:24,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 2225 states and 3054 transitions. [2022-07-21 15:44:24,406 INFO L78 Accepts]: Start accepts. Automaton has 2225 states and 3054 transitions. Word has length 144 [2022-07-21 15:44:24,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:24,407 INFO L495 AbstractCegarLoop]: Abstraction has 2225 states and 3054 transitions. [2022-07-21 15:44:24,407 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) [2022-07-21 15:44:24,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 3054 transitions. [2022-07-21 15:44:24,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-07-21 15:44:24,409 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:24,409 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] [2022-07-21 15:44:24,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-07-21 15:44:24,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:24,632 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)] === [2022-07-21 15:44:24,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:24,632 INFO L85 PathProgramCache]: Analyzing trace with hash 847759442, now seen corresponding path program 1 times [2022-07-21 15:44:24,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:24,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1014725359] [2022-07-21 15:44:24,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:24,634 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:24,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:24,635 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) [2022-07-21 15:44:24,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-07-21 15:44:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:25,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:44:25,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:26,185 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:44:26,185 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:26,185 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:26,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1014725359] [2022-07-21 15:44:26,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1014725359] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:26,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:26,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:44:26,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743049109] [2022-07-21 15:44:26,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:26,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:44:26,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:26,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:44:26,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:44:26,187 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) [2022-07-21 15:44:26,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:26,291 INFO L93 Difference]: Finished difference Result 2225 states and 3054 transitions. [2022-07-21 15:44:26,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:44:26,292 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 [2022-07-21 15:44:26,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:26,299 INFO L225 Difference]: With dead ends: 2225 [2022-07-21 15:44:26,299 INFO L226 Difference]: Without dead ends: 2223 [2022-07-21 15:44:26,300 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 [2022-07-21 15:44:26,301 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 [2022-07-21 15:44:26,301 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] [2022-07-21 15:44:26,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2223 states. [2022-07-21 15:44:26,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2223 to 2223. [2022-07-21 15:44:26,437 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) [2022-07-21 15:44:26,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 2223 states and 3051 transitions. [2022-07-21 15:44:26,445 INFO L78 Accepts]: Start accepts. Automaton has 2223 states and 3051 transitions. Word has length 135 [2022-07-21 15:44:26,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:26,445 INFO L495 AbstractCegarLoop]: Abstraction has 2223 states and 3051 transitions. [2022-07-21 15:44:26,445 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) [2022-07-21 15:44:26,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 3051 transitions. [2022-07-21 15:44:26,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-07-21 15:44:26,447 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:26,447 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] [2022-07-21 15:44:26,470 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-07-21 15:44:26,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:26,663 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)] === [2022-07-21 15:44:26,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:26,664 INFO L85 PathProgramCache]: Analyzing trace with hash 881503017, now seen corresponding path program 1 times [2022-07-21 15:44:26,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:26,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [924619764] [2022-07-21 15:44:26,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:26,665 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:26,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:26,667 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) [2022-07-21 15:44:26,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-07-21 15:44:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:27,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 1143 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 15:44:27,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:27,629 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-07-21 15:44:27,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:27,630 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:27,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [924619764] [2022-07-21 15:44:27,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [924619764] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:27,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:27,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 15:44:27,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138277790] [2022-07-21 15:44:27,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:27,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 15:44:27,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:27,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 15:44:27,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:44:27,631 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) [2022-07-21 15:44:27,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:27,874 INFO L93 Difference]: Finished difference Result 2225 states and 3052 transitions. [2022-07-21 15:44:27,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:44:27,875 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 [2022-07-21 15:44:27,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:27,882 INFO L225 Difference]: With dead ends: 2225 [2022-07-21 15:44:27,882 INFO L226 Difference]: Without dead ends: 2223 [2022-07-21 15:44:27,883 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 [2022-07-21 15:44:27,884 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 [2022-07-21 15:44:27,884 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] [2022-07-21 15:44:27,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2223 states. [2022-07-21 15:44:28,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2223 to 2223. [2022-07-21 15:44:28,025 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) [2022-07-21 15:44:28,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 2223 states and 3049 transitions. [2022-07-21 15:44:28,032 INFO L78 Accepts]: Start accepts. Automaton has 2223 states and 3049 transitions. Word has length 155 [2022-07-21 15:44:28,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:28,033 INFO L495 AbstractCegarLoop]: Abstraction has 2223 states and 3049 transitions. [2022-07-21 15:44:28,033 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) [2022-07-21 15:44:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 3049 transitions. [2022-07-21 15:44:28,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-21 15:44:28,035 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:28,035 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] [2022-07-21 15:44:28,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2022-07-21 15:44:28,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:28,251 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)] === [2022-07-21 15:44:28,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:28,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1184548556, now seen corresponding path program 1 times [2022-07-21 15:44:28,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:28,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [639287346] [2022-07-21 15:44:28,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:28,253 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:28,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:28,255 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) [2022-07-21 15:44:28,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-07-21 15:44:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:28,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:44:28,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:29,661 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:44:29,661 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:29,661 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:29,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [639287346] [2022-07-21 15:44:29,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [639287346] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:29,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:29,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:44:29,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263770845] [2022-07-21 15:44:29,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:29,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:44:29,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:29,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:44:29,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:44:29,664 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) [2022-07-21 15:44:29,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:29,791 INFO L93 Difference]: Finished difference Result 2223 states and 3049 transitions. [2022-07-21 15:44:29,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:44:29,791 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 [2022-07-21 15:44:29,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:29,798 INFO L225 Difference]: With dead ends: 2223 [2022-07-21 15:44:29,798 INFO L226 Difference]: Without dead ends: 2221 [2022-07-21 15:44:29,799 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 [2022-07-21 15:44:29,800 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 [2022-07-21 15:44:29,800 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] [2022-07-21 15:44:29,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2221 states. [2022-07-21 15:44:29,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2221 to 2221. [2022-07-21 15:44:29,926 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) [2022-07-21 15:44:29,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 2221 states and 3046 transitions. [2022-07-21 15:44:29,933 INFO L78 Accepts]: Start accepts. Automaton has 2221 states and 3046 transitions. Word has length 141 [2022-07-21 15:44:29,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:29,934 INFO L495 AbstractCegarLoop]: Abstraction has 2221 states and 3046 transitions. [2022-07-21 15:44:29,934 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) [2022-07-21 15:44:29,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2221 states and 3046 transitions. [2022-07-21 15:44:29,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-21 15:44:29,936 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:29,936 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] [2022-07-21 15:44:29,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2022-07-21 15:44:30,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:30,157 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)] === [2022-07-21 15:44:30,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:30,157 INFO L85 PathProgramCache]: Analyzing trace with hash 2065504485, now seen corresponding path program 1 times [2022-07-21 15:44:30,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:30,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556320727] [2022-07-21 15:44:30,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:30,158 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:30,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:30,159 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) [2022-07-21 15:44:30,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-07-21 15:44:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:30,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:44:30,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:31,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:44:31,515 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:31,515 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:31,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556320727] [2022-07-21 15:44:31,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [556320727] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:31,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:31,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:44:31,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940608797] [2022-07-21 15:44:31,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:31,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:44:31,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:31,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:44:31,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:44:31,517 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) [2022-07-21 15:44:31,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:31,626 INFO L93 Difference]: Finished difference Result 2221 states and 3046 transitions. [2022-07-21 15:44:31,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:44:31,626 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 [2022-07-21 15:44:31,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:31,632 INFO L225 Difference]: With dead ends: 2221 [2022-07-21 15:44:31,632 INFO L226 Difference]: Without dead ends: 2219 [2022-07-21 15:44:31,633 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 [2022-07-21 15:44:31,634 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 [2022-07-21 15:44:31,634 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] [2022-07-21 15:44:31,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2219 states. [2022-07-21 15:44:31,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2219 to 2219. [2022-07-21 15:44:31,762 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) [2022-07-21 15:44:31,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 2219 states and 3043 transitions. [2022-07-21 15:44:31,769 INFO L78 Accepts]: Start accepts. Automaton has 2219 states and 3043 transitions. Word has length 147 [2022-07-21 15:44:31,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:31,769 INFO L495 AbstractCegarLoop]: Abstraction has 2219 states and 3043 transitions. [2022-07-21 15:44:31,769 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) [2022-07-21 15:44:31,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2219 states and 3043 transitions. [2022-07-21 15:44:31,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-07-21 15:44:31,771 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:31,771 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] [2022-07-21 15:44:31,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2022-07-21 15:44:31,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:31,987 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)] === [2022-07-21 15:44:31,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:31,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1212186328, now seen corresponding path program 1 times [2022-07-21 15:44:31,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:31,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1867085119] [2022-07-21 15:44:31,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:31,989 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:31,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:31,990 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) [2022-07-21 15:44:31,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-07-21 15:44:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:32,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:44:32,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:33,411 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:44:33,412 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:33,412 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:33,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1867085119] [2022-07-21 15:44:33,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1867085119] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:33,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:33,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:44:33,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302958013] [2022-07-21 15:44:33,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:33,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:44:33,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:33,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:44:33,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:44:33,414 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) [2022-07-21 15:44:33,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:33,529 INFO L93 Difference]: Finished difference Result 2219 states and 3043 transitions. [2022-07-21 15:44:33,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:44:33,529 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 [2022-07-21 15:44:33,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:33,534 INFO L225 Difference]: With dead ends: 2219 [2022-07-21 15:44:33,534 INFO L226 Difference]: Without dead ends: 2217 [2022-07-21 15:44:33,535 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 [2022-07-21 15:44:33,535 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 [2022-07-21 15:44:33,536 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] [2022-07-21 15:44:33,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2022-07-21 15:44:33,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 2217. [2022-07-21 15:44:33,650 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) [2022-07-21 15:44:33,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 2217 states and 3040 transitions. [2022-07-21 15:44:33,654 INFO L78 Accepts]: Start accepts. Automaton has 2217 states and 3040 transitions. Word has length 153 [2022-07-21 15:44:33,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:33,655 INFO L495 AbstractCegarLoop]: Abstraction has 2217 states and 3040 transitions. [2022-07-21 15:44:33,655 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) [2022-07-21 15:44:33,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 3040 transitions. [2022-07-21 15:44:33,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-07-21 15:44:33,656 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:33,656 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] [2022-07-21 15:44:33,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (26)] Ended with exit code 0 [2022-07-21 15:44:33,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:33,857 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)] === [2022-07-21 15:44:33,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:33,857 INFO L85 PathProgramCache]: Analyzing trace with hash 903145121, now seen corresponding path program 1 times [2022-07-21 15:44:33,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:33,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1818861233] [2022-07-21 15:44:33,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:33,858 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:33,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:33,859 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) [2022-07-21 15:44:33,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-07-21 15:44:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:34,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:44:34,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:35,360 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:44:35,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:35,360 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:35,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1818861233] [2022-07-21 15:44:35,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1818861233] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:35,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:35,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:44:35,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859359622] [2022-07-21 15:44:35,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:35,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:44:35,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:35,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:44:35,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:44:35,362 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) [2022-07-21 15:44:35,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:35,503 INFO L93 Difference]: Finished difference Result 2217 states and 3040 transitions. [2022-07-21 15:44:35,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:44:35,504 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 [2022-07-21 15:44:35,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:35,509 INFO L225 Difference]: With dead ends: 2217 [2022-07-21 15:44:35,509 INFO L226 Difference]: Without dead ends: 2215 [2022-07-21 15:44:35,510 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 [2022-07-21 15:44:35,510 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 [2022-07-21 15:44:35,511 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] [2022-07-21 15:44:35,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2215 states. [2022-07-21 15:44:35,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2215 to 2215. [2022-07-21 15:44:35,632 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) [2022-07-21 15:44:35,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 2215 states and 3037 transitions. [2022-07-21 15:44:35,637 INFO L78 Accepts]: Start accepts. Automaton has 2215 states and 3037 transitions. Word has length 159 [2022-07-21 15:44:35,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:35,637 INFO L495 AbstractCegarLoop]: Abstraction has 2215 states and 3037 transitions. [2022-07-21 15:44:35,637 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) [2022-07-21 15:44:35,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2215 states and 3037 transitions. [2022-07-21 15:44:35,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-21 15:44:35,639 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:35,639 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] [2022-07-21 15:44:35,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2022-07-21 15:44:35,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:35,840 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)] === [2022-07-21 15:44:35,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:35,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1741248427, now seen corresponding path program 1 times [2022-07-21 15:44:35,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:35,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [86060843] [2022-07-21 15:44:35,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:35,842 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:35,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:35,843 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) [2022-07-21 15:44:35,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-07-21 15:44:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:36,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 1032 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:44:36,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:37,331 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:44:37,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:37,332 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:37,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [86060843] [2022-07-21 15:44:37,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [86060843] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:37,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:37,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:44:37,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663746878] [2022-07-21 15:44:37,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:37,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:44:37,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:37,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:44:37,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:44:37,334 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) [2022-07-21 15:44:37,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:37,511 INFO L93 Difference]: Finished difference Result 2215 states and 3037 transitions. [2022-07-21 15:44:37,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:44:37,512 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 [2022-07-21 15:44:37,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:37,518 INFO L225 Difference]: With dead ends: 2215 [2022-07-21 15:44:37,518 INFO L226 Difference]: Without dead ends: 2213 [2022-07-21 15:44:37,519 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 [2022-07-21 15:44:37,520 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 [2022-07-21 15:44:37,520 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] [2022-07-21 15:44:37,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2022-07-21 15:44:37,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2213. [2022-07-21 15:44:37,665 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) [2022-07-21 15:44:37,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 2213 states and 3034 transitions. [2022-07-21 15:44:37,671 INFO L78 Accepts]: Start accepts. Automaton has 2213 states and 3034 transitions. Word has length 165 [2022-07-21 15:44:37,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:37,671 INFO L495 AbstractCegarLoop]: Abstraction has 2213 states and 3034 transitions. [2022-07-21 15:44:37,672 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) [2022-07-21 15:44:37,672 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 3034 transitions. [2022-07-21 15:44:37,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-21 15:44:37,674 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:37,674 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] [2022-07-21 15:44:37,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2022-07-21 15:44:37,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:37,893 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)] === [2022-07-21 15:44:37,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:37,894 INFO L85 PathProgramCache]: Analyzing trace with hash 565245805, now seen corresponding path program 1 times [2022-07-21 15:44:37,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:37,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [621482760] [2022-07-21 15:44:37,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:37,895 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:37,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:37,896 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) [2022-07-21 15:44:37,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-07-21 15:44:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:38,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:44:38,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:39,536 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:44:39,536 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:39,536 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:39,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [621482760] [2022-07-21 15:44:39,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [621482760] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:39,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:39,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:44:39,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939419060] [2022-07-21 15:44:39,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:39,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:44:39,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:39,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:44:39,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:44:39,537 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) [2022-07-21 15:44:39,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:39,677 INFO L93 Difference]: Finished difference Result 2213 states and 3034 transitions. [2022-07-21 15:44:39,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:44:39,677 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 [2022-07-21 15:44:39,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:39,681 INFO L225 Difference]: With dead ends: 2213 [2022-07-21 15:44:39,681 INFO L226 Difference]: Without dead ends: 2211 [2022-07-21 15:44:39,682 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 [2022-07-21 15:44:39,682 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 [2022-07-21 15:44:39,683 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] [2022-07-21 15:44:39,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2022-07-21 15:44:39,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 2211. [2022-07-21 15:44:39,835 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) [2022-07-21 15:44:39,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 3031 transitions. [2022-07-21 15:44:39,842 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 3031 transitions. Word has length 171 [2022-07-21 15:44:39,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:39,842 INFO L495 AbstractCegarLoop]: Abstraction has 2211 states and 3031 transitions. [2022-07-21 15:44:39,843 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) [2022-07-21 15:44:39,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 3031 transitions. [2022-07-21 15:44:39,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-21 15:44:39,845 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:39,845 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] [2022-07-21 15:44:39,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2022-07-21 15:44:40,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:40,064 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)] === [2022-07-21 15:44:40,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:40,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1132240358, now seen corresponding path program 1 times [2022-07-21 15:44:40,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:40,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1898828234] [2022-07-21 15:44:40,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:40,065 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:40,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:40,066 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) [2022-07-21 15:44:40,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2022-07-21 15:44:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:41,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 1310 conjuncts, 22 conjunts are in the unsatisfiable core [2022-07-21 15:44:41,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:41,675 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2022-07-21 15:44:41,676 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:41,676 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:41,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1898828234] [2022-07-21 15:44:41,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1898828234] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:41,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:41,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-07-21 15:44:41,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265195291] [2022-07-21 15:44:41,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:41,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-21 15:44:41,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:41,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-21 15:44:41,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-07-21 15:44:41,678 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) [2022-07-21 15:44:45,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:45,016 INFO L93 Difference]: Finished difference Result 5071 states and 7087 transitions. [2022-07-21 15:44:45,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-21 15:44:45,017 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 [2022-07-21 15:44:45,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:45,027 INFO L225 Difference]: With dead ends: 5071 [2022-07-21 15:44:45,028 INFO L226 Difference]: Without dead ends: 2898 [2022-07-21 15:44:45,035 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 [2022-07-21 15:44:45,036 INFO L413 NwaCegarLoop]: 3936 mSDtfsCounter, 3481 mSDsluCounter, 45630 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 1303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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 [2022-07-21 15:44:45,036 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] [2022-07-21 15:44:45,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2898 states. [2022-07-21 15:44:45,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2898 to 2228. [2022-07-21 15:44:45,265 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) [2022-07-21 15:44:45,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 3053 transitions. [2022-07-21 15:44:45,271 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 3053 transitions. Word has length 187 [2022-07-21 15:44:45,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:45,271 INFO L495 AbstractCegarLoop]: Abstraction has 2228 states and 3053 transitions. [2022-07-21 15:44:45,271 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) [2022-07-21 15:44:45,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 3053 transitions. [2022-07-21 15:44:45,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-07-21 15:44:45,273 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:45,273 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] [2022-07-21 15:44:45,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (30)] Ended with exit code 0 [2022-07-21 15:44:45,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:45,476 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)] === [2022-07-21 15:44:45,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:45,476 INFO L85 PathProgramCache]: Analyzing trace with hash -307449643, now seen corresponding path program 1 times [2022-07-21 15:44:45,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:45,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824110801] [2022-07-21 15:44:45,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:45,477 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:45,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:45,478 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) [2022-07-21 15:44:45,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-07-21 15:44:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:46,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 1050 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:44:46,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:47,056 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 15:44:47,058 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:47,058 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:47,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824110801] [2022-07-21 15:44:47,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1824110801] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:47,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:47,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:44:47,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631012915] [2022-07-21 15:44:47,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:47,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:44:47,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:47,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:44:47,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:44:47,061 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) [2022-07-21 15:44:47,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:47,220 INFO L93 Difference]: Finished difference Result 2228 states and 3053 transitions. [2022-07-21 15:44:47,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:44:47,221 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 [2022-07-21 15:44:47,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:47,225 INFO L225 Difference]: With dead ends: 2228 [2022-07-21 15:44:47,225 INFO L226 Difference]: Without dead ends: 1908 [2022-07-21 15:44:47,226 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 [2022-07-21 15:44:47,227 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 [2022-07-21 15:44:47,227 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] [2022-07-21 15:44:47,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2022-07-21 15:44:47,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1908. [2022-07-21 15:44:47,360 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) [2022-07-21 15:44:47,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1908 states and 2711 transitions. [2022-07-21 15:44:47,366 INFO L78 Accepts]: Start accepts. Automaton has 1908 states and 2711 transitions. Word has length 177 [2022-07-21 15:44:47,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:47,366 INFO L495 AbstractCegarLoop]: Abstraction has 1908 states and 2711 transitions. [2022-07-21 15:44:47,367 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) [2022-07-21 15:44:47,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2711 transitions. [2022-07-21 15:44:47,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-07-21 15:44:47,368 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:47,368 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] [2022-07-21 15:44:47,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (31)] Ended with exit code 0 [2022-07-21 15:44:47,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:47,584 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)] === [2022-07-21 15:44:47,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:47,584 INFO L85 PathProgramCache]: Analyzing trace with hash 695055497, now seen corresponding path program 1 times [2022-07-21 15:44:47,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:47,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [873790554] [2022-07-21 15:44:47,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:47,585 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:47,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:47,587 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) [2022-07-21 15:44:47,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2022-07-21 15:44:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:48,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 15:44:48,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:48,875 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-07-21 15:44:48,875 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:48,875 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:48,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [873790554] [2022-07-21 15:44:48,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [873790554] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:48,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:48,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:44:48,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47545468] [2022-07-21 15:44:48,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:48,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:44:48,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:48,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:44:48,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:44:48,878 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) [2022-07-21 15:44:49,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:49,190 INFO L93 Difference]: Finished difference Result 3802 states and 5428 transitions. [2022-07-21 15:44:49,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 15:44:49,191 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 [2022-07-21 15:44:49,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:49,198 INFO L225 Difference]: With dead ends: 3802 [2022-07-21 15:44:49,198 INFO L226 Difference]: Without dead ends: 1917 [2022-07-21 15:44:49,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 15:44:49,205 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 [2022-07-21 15:44:49,205 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] [2022-07-21 15:44:49,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2022-07-21 15:44:49,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1913. [2022-07-21 15:44:49,362 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) [2022-07-21 15:44:49,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 2717 transitions. [2022-07-21 15:44:49,369 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 2717 transitions. Word has length 199 [2022-07-21 15:44:49,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:49,370 INFO L495 AbstractCegarLoop]: Abstraction has 1913 states and 2717 transitions. [2022-07-21 15:44:49,370 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) [2022-07-21 15:44:49,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2717 transitions. [2022-07-21 15:44:49,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-21 15:44:49,372 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:49,372 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] [2022-07-21 15:44:49,414 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2022-07-21 15:44:49,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:49,591 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)] === [2022-07-21 15:44:49,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:49,592 INFO L85 PathProgramCache]: Analyzing trace with hash -326700578, now seen corresponding path program 1 times [2022-07-21 15:44:49,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:49,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432665204] [2022-07-21 15:44:49,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:49,593 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:49,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:49,594 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) [2022-07-21 15:44:49,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2022-07-21 15:44:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:50,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 1400 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 15:44:50,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:51,825 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2022-07-21 15:44:51,825 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:51,825 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:51,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432665204] [2022-07-21 15:44:51,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [432665204] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:51,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:51,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:44:51,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206843183] [2022-07-21 15:44:51,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:51,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 15:44:51,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:51,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 15:44:51,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:44:51,827 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) [2022-07-21 15:44:52,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:52,071 INFO L93 Difference]: Finished difference Result 2398 states and 3383 transitions. [2022-07-21 15:44:52,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:44:52,071 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 [2022-07-21 15:44:52,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:52,082 INFO L225 Difference]: With dead ends: 2398 [2022-07-21 15:44:52,082 INFO L226 Difference]: Without dead ends: 2396 [2022-07-21 15:44:52,084 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 [2022-07-21 15:44:52,084 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 [2022-07-21 15:44:52,084 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] [2022-07-21 15:44:52,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2396 states. [2022-07-21 15:44:52,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2396 to 2386. [2022-07-21 15:44:52,260 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) [2022-07-21 15:44:52,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 2386 states and 3375 transitions. [2022-07-21 15:44:52,267 INFO L78 Accepts]: Start accepts. Automaton has 2386 states and 3375 transitions. Word has length 253 [2022-07-21 15:44:52,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:52,268 INFO L495 AbstractCegarLoop]: Abstraction has 2386 states and 3375 transitions. [2022-07-21 15:44:52,268 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) [2022-07-21 15:44:52,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 3375 transitions. [2022-07-21 15:44:52,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-07-21 15:44:52,271 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:52,271 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] [2022-07-21 15:44:52,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2022-07-21 15:44:52,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:52,488 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)] === [2022-07-21 15:44:52,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:52,488 INFO L85 PathProgramCache]: Analyzing trace with hash 823108487, now seen corresponding path program 1 times [2022-07-21 15:44:52,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:52,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2052109897] [2022-07-21 15:44:52,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:52,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:52,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:52,490 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) [2022-07-21 15:44:52,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2022-07-21 15:44:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:53,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 1486 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-21 15:44:53,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2022-07-21 15:44:53,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:53,904 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:53,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2052109897] [2022-07-21 15:44:53,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2052109897] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:53,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:53,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-21 15:44:53,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609972304] [2022-07-21 15:44:53,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:53,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 15:44:53,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:53,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 15:44:53,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-21 15:44:53,905 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) [2022-07-21 15:44:55,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:55,249 INFO L93 Difference]: Finished difference Result 4314 states and 6114 transitions. [2022-07-21 15:44:55,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 15:44:55,250 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 [2022-07-21 15:44:55,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:55,258 INFO L225 Difference]: With dead ends: 4314 [2022-07-21 15:44:55,258 INFO L226 Difference]: Without dead ends: 2407 [2022-07-21 15:44:55,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2022-07-21 15:44:55,265 INFO L413 NwaCegarLoop]: 2670 mSDtfsCounter, 26 mSDsluCounter, 29240 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-07-21 15:44:55,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 31910 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-21 15:44:55,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2407 states. [2022-07-21 15:44:55,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2407 to 2396. [2022-07-21 15:44:55,480 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) [2022-07-21 15:44:55,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 3388 transitions. [2022-07-21 15:44:55,487 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 3388 transitions. Word has length 284 [2022-07-21 15:44:55,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:55,488 INFO L495 AbstractCegarLoop]: Abstraction has 2396 states and 3388 transitions. [2022-07-21 15:44:55,488 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) [2022-07-21 15:44:55,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 3388 transitions. [2022-07-21 15:44:55,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-21 15:44:55,490 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:55,491 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] [2022-07-21 15:44:55,526 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (34)] Ended with exit code 0 [2022-07-21 15:44:55,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:55,703 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)] === [2022-07-21 15:44:55,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:55,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1257353576, now seen corresponding path program 1 times [2022-07-21 15:44:55,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:55,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [857616019] [2022-07-21 15:44:55,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:55,706 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:55,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:55,707 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) [2022-07-21 15:44:55,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2022-07-21 15:44:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:44:56,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 1488 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-21 15:44:56,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:44:57,148 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2022-07-21 15:44:57,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:44:57,148 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:44:57,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [857616019] [2022-07-21 15:44:57,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [857616019] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:44:57,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:44:57,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-21 15:44:57,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151379907] [2022-07-21 15:44:57,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:44:57,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 15:44:57,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:44:57,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 15:44:57,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-21 15:44:57,150 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) [2022-07-21 15:44:58,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:44:58,589 INFO L93 Difference]: Finished difference Result 4336 states and 6142 transitions. [2022-07-21 15:44:58,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 15:44:58,589 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 [2022-07-21 15:44:58,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:44:58,595 INFO L225 Difference]: With dead ends: 4336 [2022-07-21 15:44:58,595 INFO L226 Difference]: Without dead ends: 2419 [2022-07-21 15:44:58,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2022-07-21 15:44:58,600 INFO L413 NwaCegarLoop]: 2674 mSDtfsCounter, 26 mSDsluCounter, 29274 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 15:44:58,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 31948 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 15:44:58,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2419 states. [2022-07-21 15:44:58,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2419 to 2396. [2022-07-21 15:44:58,753 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) [2022-07-21 15:44:58,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 3388 transitions. [2022-07-21 15:44:58,759 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 3388 transitions. Word has length 285 [2022-07-21 15:44:58,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:44:58,759 INFO L495 AbstractCegarLoop]: Abstraction has 2396 states and 3388 transitions. [2022-07-21 15:44:58,759 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) [2022-07-21 15:44:58,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 3388 transitions. [2022-07-21 15:44:58,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-21 15:44:58,761 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:44:58,761 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] [2022-07-21 15:44:58,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (35)] Ended with exit code 0 [2022-07-21 15:44:58,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:44:58,966 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)] === [2022-07-21 15:44:58,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:44:58,966 INFO L85 PathProgramCache]: Analyzing trace with hash -965057028, now seen corresponding path program 1 times [2022-07-21 15:44:58,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:44:58,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1332244724] [2022-07-21 15:44:58,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:44:58,968 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:44:58,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:44:58,969 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) [2022-07-21 15:44:58,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2022-07-21 15:45:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:45:00,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 1829 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 15:45:00,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:45:00,468 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-07-21 15:45:00,468 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:45:00,468 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:45:00,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1332244724] [2022-07-21 15:45:00,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1332244724] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:45:00,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:45:00,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:45:00,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690912968] [2022-07-21 15:45:00,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:45:00,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:45:00,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:45:00,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:45:00,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:45:00,470 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) [2022-07-21 15:45:00,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:45:00,783 INFO L93 Difference]: Finished difference Result 4780 states and 6785 transitions. [2022-07-21 15:45:00,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:45:00,784 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 [2022-07-21 15:45:00,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:45:00,793 INFO L225 Difference]: With dead ends: 4780 [2022-07-21 15:45:00,793 INFO L226 Difference]: Without dead ends: 2407 [2022-07-21 15:45:00,802 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 [2022-07-21 15:45:00,803 INFO L413 NwaCegarLoop]: 2681 mSDtfsCounter, 5 mSDsluCounter, 5348 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 15:45:00,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 8029 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 15:45:00,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2407 states. [2022-07-21 15:45:00,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2407 to 2398. [2022-07-21 15:45:00,994 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) [2022-07-21 15:45:00,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 2398 states and 3390 transitions. [2022-07-21 15:45:01,000 INFO L78 Accepts]: Start accepts. Automaton has 2398 states and 3390 transitions. Word has length 253 [2022-07-21 15:45:01,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:45:01,001 INFO L495 AbstractCegarLoop]: Abstraction has 2398 states and 3390 transitions. [2022-07-21 15:45:01,001 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) [2022-07-21 15:45:01,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2398 states and 3390 transitions. [2022-07-21 15:45:01,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-07-21 15:45:01,003 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:45:01,003 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] [2022-07-21 15:45:01,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2022-07-21 15:45:01,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:45:01,219 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)] === [2022-07-21 15:45:01,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:45:01,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1034655848, now seen corresponding path program 1 times [2022-07-21 15:45:01,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:45:01,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914517617] [2022-07-21 15:45:01,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:45:01,221 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:45:01,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:45:01,222 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) [2022-07-21 15:45:01,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2022-07-21 15:45:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:45:02,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 1604 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:45:02,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:45:02,331 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2022-07-21 15:45:02,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:45:02,331 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:45:02,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914517617] [2022-07-21 15:45:02,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914517617] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:45:02,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:45:02,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:45:02,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761713237] [2022-07-21 15:45:02,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:45:02,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:45:02,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:45:02,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:45:02,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:45:02,333 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) [2022-07-21 15:45:02,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:45:02,662 INFO L93 Difference]: Finished difference Result 4789 states and 6797 transitions. [2022-07-21 15:45:02,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:45:02,662 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 [2022-07-21 15:45:02,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:45:02,669 INFO L225 Difference]: With dead ends: 4789 [2022-07-21 15:45:02,670 INFO L226 Difference]: Without dead ends: 2414 [2022-07-21 15:45:02,699 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 [2022-07-21 15:45:02,700 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 [2022-07-21 15:45:02,700 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] [2022-07-21 15:45:02,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2022-07-21 15:45:02,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2400. [2022-07-21 15:45:02,871 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) [2022-07-21 15:45:02,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 2400 states and 3392 transitions. [2022-07-21 15:45:02,879 INFO L78 Accepts]: Start accepts. Automaton has 2400 states and 3392 transitions. Word has length 293 [2022-07-21 15:45:02,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:45:02,880 INFO L495 AbstractCegarLoop]: Abstraction has 2400 states and 3392 transitions. [2022-07-21 15:45:02,880 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) [2022-07-21 15:45:02,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 3392 transitions. [2022-07-21 15:45:02,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-07-21 15:45:02,901 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:45:02,901 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] [2022-07-21 15:45:02,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2022-07-21 15:45:03,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:45:03,120 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)] === [2022-07-21 15:45:03,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:45:03,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1408199590, now seen corresponding path program 1 times [2022-07-21 15:45:03,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:45:03,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1881085607] [2022-07-21 15:45:03,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:45:03,122 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:45:03,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:45:03,128 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) [2022-07-21 15:45:03,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2022-07-21 15:45:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:45:04,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 1667 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 15:45:04,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:45:04,613 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2022-07-21 15:45:04,613 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:45:04,613 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:45:04,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1881085607] [2022-07-21 15:45:04,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1881085607] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:45:04,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:45:04,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 15:45:04,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344429017] [2022-07-21 15:45:04,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:45:04,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 15:45:04,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:45:04,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 15:45:04,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:45:04,616 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) [2022-07-21 15:45:05,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:45:05,082 INFO L93 Difference]: Finished difference Result 2416 states and 3403 transitions. [2022-07-21 15:45:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:45:05,083 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 [2022-07-21 15:45:05,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:45:05,090 INFO L225 Difference]: With dead ends: 2416 [2022-07-21 15:45:05,090 INFO L226 Difference]: Without dead ends: 2414 [2022-07-21 15:45:05,091 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 [2022-07-21 15:45:05,092 INFO L413 NwaCegarLoop]: 3262 mSDtfsCounter, 1200 mSDsluCounter, 8613 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1201 SdHoareTripleChecker+Valid, 11875 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 [2022-07-21 15:45:05,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1201 Valid, 11875 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 15:45:05,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2022-07-21 15:45:05,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2404. [2022-07-21 15:45:05,265 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) [2022-07-21 15:45:05,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 3395 transitions. [2022-07-21 15:45:05,270 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 3395 transitions. Word has length 303 [2022-07-21 15:45:05,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:45:05,271 INFO L495 AbstractCegarLoop]: Abstraction has 2404 states and 3395 transitions. [2022-07-21 15:45:05,271 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) [2022-07-21 15:45:05,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 3395 transitions. [2022-07-21 15:45:05,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2022-07-21 15:45:05,273 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:45:05,273 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] [2022-07-21 15:45:05,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (38)] Ended with exit code 0 [2022-07-21 15:45:05,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:45:05,483 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)] === [2022-07-21 15:45:05,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:45:05,483 INFO L85 PathProgramCache]: Analyzing trace with hash -615065789, now seen corresponding path program 1 times [2022-07-21 15:45:05,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:45:05,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949746557] [2022-07-21 15:45:05,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:45:05,485 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:45:05,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:45:05,486 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) [2022-07-21 15:45:05,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2022-07-21 15:45:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:45:07,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 2293 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:45:07,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:45:07,485 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2022-07-21 15:45:07,485 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 15:45:07,838 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2022-07-21 15:45:07,838 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:45:07,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [949746557] [2022-07-21 15:45:07,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [949746557] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 15:45:07,839 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 15:45:07,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-21 15:45:07,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603842203] [2022-07-21 15:45:07,839 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 15:45:07,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 15:45:07,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:45:07,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 15:45:07,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-21 15:45:07,841 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) [2022-07-21 15:45:08,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:45:08,823 INFO L93 Difference]: Finished difference Result 4815 states and 6828 transitions. [2022-07-21 15:45:08,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:45:08,825 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 [2022-07-21 15:45:08,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:45:08,832 INFO L225 Difference]: With dead ends: 4815 [2022-07-21 15:45:08,833 INFO L226 Difference]: Without dead ends: 2434 [2022-07-21 15:45:08,842 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 [2022-07-21 15:45:08,843 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, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 15:45:08,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 13395 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 15:45:08,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2022-07-21 15:45:09,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 2434. [2022-07-21 15:45:09,030 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) [2022-07-21 15:45:09,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2434 states and 3437 transitions. [2022-07-21 15:45:09,036 INFO L78 Accepts]: Start accepts. Automaton has 2434 states and 3437 transitions. Word has length 316 [2022-07-21 15:45:09,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:45:09,036 INFO L495 AbstractCegarLoop]: Abstraction has 2434 states and 3437 transitions. [2022-07-21 15:45:09,036 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) [2022-07-21 15:45:09,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 3437 transitions. [2022-07-21 15:45:09,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-07-21 15:45:09,039 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:45:09,040 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] [2022-07-21 15:45:09,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (39)] Ended with exit code 0 [2022-07-21 15:45:09,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:45:09,260 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)] === [2022-07-21 15:45:09,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:45:09,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1253696816, now seen corresponding path program 1 times [2022-07-21 15:45:09,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:45:09,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [776031576] [2022-07-21 15:45:09,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:45:09,261 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:45:09,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:45:09,262 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) [2022-07-21 15:45:09,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2022-07-21 15:45:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:45:10,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 1810 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-21 15:45:10,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:45:11,070 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2022-07-21 15:45:11,070 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:45:11,070 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:45:11,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [776031576] [2022-07-21 15:45:11,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [776031576] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:45:11,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:45:11,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-07-21 15:45:11,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329210809] [2022-07-21 15:45:11,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:45:11,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-21 15:45:11,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:45:11,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-21 15:45:11,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-07-21 15:45:11,072 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) [2022-07-21 15:45:13,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:45:13,187 INFO L93 Difference]: Finished difference Result 4402 states and 6230 transitions. [2022-07-21 15:45:13,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-21 15:45:13,188 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 [2022-07-21 15:45:13,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:45:13,195 INFO L225 Difference]: With dead ends: 4402 [2022-07-21 15:45:13,196 INFO L226 Difference]: Without dead ends: 2479 [2022-07-21 15:45:13,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2022-07-21 15:45:13,203 INFO L413 NwaCegarLoop]: 2671 mSDtfsCounter, 39 mSDsluCounter, 34548 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 15:45:13,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 37219 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 15:45:13,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2479 states. [2022-07-21 15:45:13,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2479 to 2438. [2022-07-21 15:45:13,384 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) [2022-07-21 15:45:13,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2438 states to 2438 states and 3443 transitions. [2022-07-21 15:45:13,389 INFO L78 Accepts]: Start accepts. Automaton has 2438 states and 3443 transitions. Word has length 357 [2022-07-21 15:45:13,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:45:13,389 INFO L495 AbstractCegarLoop]: Abstraction has 2438 states and 3443 transitions. [2022-07-21 15:45:13,389 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) [2022-07-21 15:45:13,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2438 states and 3443 transitions. [2022-07-21 15:45:13,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-07-21 15:45:13,392 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:45:13,392 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] [2022-07-21 15:45:13,421 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (40)] Ended with exit code 0 [2022-07-21 15:45:13,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:45:13,593 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)] === [2022-07-21 15:45:13,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:45:13,594 INFO L85 PathProgramCache]: Analyzing trace with hash -233443378, now seen corresponding path program 2 times [2022-07-21 15:45:13,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:45:13,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1380931560] [2022-07-21 15:45:13,596 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 15:45:13,596 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:45:13,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:45:13,597 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) [2022-07-21 15:45:13,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2022-07-21 15:45:16,108 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 15:45:16,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 15:45:16,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 2944 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 15:45:16,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:45:16,540 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-07-21 15:45:16,540 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:45:16,540 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:45:16,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1380931560] [2022-07-21 15:45:16,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1380931560] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:45:16,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:45:16,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:45:16,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068459388] [2022-07-21 15:45:16,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:45:16,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:45:16,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:45:16,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:45:16,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:45:16,542 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) [2022-07-21 15:45:18,616 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 [] [2022-07-21 15:45:20,661 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 [] [2022-07-21 15:45:20,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:45:20,831 INFO L93 Difference]: Finished difference Result 4857 states and 6884 transitions. [2022-07-21 15:45:20,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:45:20,856 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 [2022-07-21 15:45:20,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:45:20,864 INFO L225 Difference]: With dead ends: 4857 [2022-07-21 15:45:20,864 INFO L226 Difference]: Without dead ends: 2442 [2022-07-21 15:45:20,894 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 [2022-07-21 15:45:20,895 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 [2022-07-21 15:45:20,896 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] [2022-07-21 15:45:20,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2442 states. [2022-07-21 15:45:21,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2442 to 2440. [2022-07-21 15:45:21,077 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) [2022-07-21 15:45:21,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 2440 states and 3445 transitions. [2022-07-21 15:45:21,082 INFO L78 Accepts]: Start accepts. Automaton has 2440 states and 3445 transitions. Word has length 382 [2022-07-21 15:45:21,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:45:21,083 INFO L495 AbstractCegarLoop]: Abstraction has 2440 states and 3445 transitions. [2022-07-21 15:45:21,083 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) [2022-07-21 15:45:21,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 3445 transitions. [2022-07-21 15:45:21,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-07-21 15:45:21,086 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:45:21,086 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] [2022-07-21 15:45:21,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (41)] Ended with exit code 0 [2022-07-21 15:45:21,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:45:21,298 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)] === [2022-07-21 15:45:21,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:45:21,298 INFO L85 PathProgramCache]: Analyzing trace with hash 786896037, now seen corresponding path program 1 times [2022-07-21 15:45:21,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:45:21,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [628390397] [2022-07-21 15:45:21,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:45:21,300 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:45:21,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:45:21,302 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) [2022-07-21 15:45:21,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2022-07-21 15:45:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:45:23,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 3020 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:45:23,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:45:24,204 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-07-21 15:45:24,204 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 15:45:24,747 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-07-21 15:45:24,747 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:45:24,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [628390397] [2022-07-21 15:45:24,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [628390397] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 15:45:24,747 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 15:45:24,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-21 15:45:24,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186999188] [2022-07-21 15:45:24,748 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 15:45:24,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 15:45:24,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:45:24,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 15:45:24,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-21 15:45:24,749 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) [2022-07-21 15:45:26,913 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 [] [2022-07-21 15:45:28,993 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 [] [2022-07-21 15:45:29,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:45:29,242 INFO L93 Difference]: Finished difference Result 4863 states and 6891 transitions. [2022-07-21 15:45:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 15:45:29,242 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 [2022-07-21 15:45:29,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:45:29,250 INFO L225 Difference]: With dead ends: 4863 [2022-07-21 15:45:29,251 INFO L226 Difference]: Without dead ends: 2446 [2022-07-21 15:45:29,256 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 [2022-07-21 15:45:29,257 INFO L413 NwaCegarLoop]: 2675 mSDtfsCounter, 18 mSDsluCounter, 10635 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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 [2022-07-21 15:45:29,257 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] [2022-07-21 15:45:29,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2022-07-21 15:45:29,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2446. [2022-07-21 15:45:29,448 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) [2022-07-21 15:45:29,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2446 states to 2446 states and 3451 transitions. [2022-07-21 15:45:29,454 INFO L78 Accepts]: Start accepts. Automaton has 2446 states and 3451 transitions. Word has length 385 [2022-07-21 15:45:29,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:45:29,454 INFO L495 AbstractCegarLoop]: Abstraction has 2446 states and 3451 transitions. [2022-07-21 15:45:29,454 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) [2022-07-21 15:45:29,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2446 states and 3451 transitions. [2022-07-21 15:45:29,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2022-07-21 15:45:29,457 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:45:29,457 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] [2022-07-21 15:45:29,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2022-07-21 15:45:29,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:45:29,667 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)] === [2022-07-21 15:45:29,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:45:29,667 INFO L85 PathProgramCache]: Analyzing trace with hash -285797371, now seen corresponding path program 2 times [2022-07-21 15:45:29,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:45:29,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2114018178] [2022-07-21 15:45:29,670 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 15:45:29,670 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:45:29,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:45:29,671 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) [2022-07-21 15:45:29,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2022-07-21 15:45:32,404 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 15:45:32,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 15:45:32,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 3172 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 15:45:32,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:45:33,024 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-07-21 15:45:33,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 15:45:33,705 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-07-21 15:45:33,705 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:45:33,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2114018178] [2022-07-21 15:45:33,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2114018178] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 15:45:33,705 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 15:45:33,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-07-21 15:45:33,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424206748] [2022-07-21 15:45:33,705 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 15:45:33,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 15:45:33,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:45:33,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 15:45:33,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-07-21 15:45:33,707 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) [2022-07-21 15:45:36,050 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 [] [2022-07-21 15:45:38,132 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:45:40,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:45:42,374 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 [] [2022-07-21 15:45:42,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:45:42,810 INFO L93 Difference]: Finished difference Result 4881 states and 6911 transitions. [2022-07-21 15:45:42,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-21 15:45:42,811 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 [2022-07-21 15:45:42,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:45:42,818 INFO L225 Difference]: With dead ends: 4881 [2022-07-21 15:45:42,818 INFO L226 Difference]: Without dead ends: 2458 [2022-07-21 15:45:42,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 788 GetRequests, 770 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=114, Invalid=266, Unknown=0, NotChecked=0, Total=380 [2022-07-21 15:45:42,824 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 [2022-07-21 15:45:42,824 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] [2022-07-21 15:45:42,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2458 states. [2022-07-21 15:45:42,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2458 to 2458. [2022-07-21 15:45:42,998 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) [2022-07-21 15:45:43,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2458 states and 3463 transitions. [2022-07-21 15:45:43,004 INFO L78 Accepts]: Start accepts. Automaton has 2458 states and 3463 transitions. Word has length 391 [2022-07-21 15:45:43,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:45:43,005 INFO L495 AbstractCegarLoop]: Abstraction has 2458 states and 3463 transitions. [2022-07-21 15:45:43,005 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) [2022-07-21 15:45:43,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 3463 transitions. [2022-07-21 15:45:43,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-07-21 15:45:43,009 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:45:43,009 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] [2022-07-21 15:45:43,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (43)] Ended with exit code 0 [2022-07-21 15:45:43,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:45:43,210 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)] === [2022-07-21 15:45:43,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:45:43,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1766718149, now seen corresponding path program 3 times [2022-07-21 15:45:43,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:45:43,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222529405] [2022-07-21 15:45:43,212 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-21 15:45:43,212 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:45:43,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:45:43,213 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) [2022-07-21 15:45:43,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2022-07-21 15:45:44,731 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-07-21 15:45:44,732 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 15:45:44,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 15:45:44,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:45:44,864 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-07-21 15:45:44,865 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:45:44,865 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:45:44,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1222529405] [2022-07-21 15:45:44,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1222529405] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:45:44,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:45:44,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 15:45:44,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810268441] [2022-07-21 15:45:44,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:45:44,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 15:45:44,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:45:44,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 15:45:44,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:45:44,868 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) [2022-07-21 15:45:45,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:45:45,153 INFO L93 Difference]: Finished difference Result 4907 states and 7086 transitions. [2022-07-21 15:45:45,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 15:45:45,154 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 [2022-07-21 15:45:45,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:45:45,159 INFO L225 Difference]: With dead ends: 4907 [2022-07-21 15:45:45,159 INFO L226 Difference]: Without dead ends: 2472 [2022-07-21 15:45:45,163 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 [2022-07-21 15:45:45,164 INFO L413 NwaCegarLoop]: 2675 mSDtfsCounter, 10 mSDsluCounter, 8022 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-07-21 15:45:45,165 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] [2022-07-21 15:45:45,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2472 states. [2022-07-21 15:45:45,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2472 to 2466. [2022-07-21 15:45:45,307 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) [2022-07-21 15:45:45,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2466 states to 2466 states and 3471 transitions. [2022-07-21 15:45:45,314 INFO L78 Accepts]: Start accepts. Automaton has 2466 states and 3471 transitions. Word has length 403 [2022-07-21 15:45:45,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:45:45,314 INFO L495 AbstractCegarLoop]: Abstraction has 2466 states and 3471 transitions. [2022-07-21 15:45:45,315 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) [2022-07-21 15:45:45,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2466 states and 3471 transitions. [2022-07-21 15:45:45,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-07-21 15:45:45,318 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:45:45,318 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] [2022-07-21 15:45:45,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (44)] Forceful destruction successful, exit code 0 [2022-07-21 15:45:45,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:45:45,525 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)] === [2022-07-21 15:45:45,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:45:45,525 INFO L85 PathProgramCache]: Analyzing trace with hash 745649795, now seen corresponding path program 1 times [2022-07-21 15:45:45,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:45:45,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1997946803] [2022-07-21 15:45:45,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:45:45,527 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:45:45,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:45:45,529 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) [2022-07-21 15:45:45,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2022-07-21 15:45:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:45:48,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 3476 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 15:45:48,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:45:49,079 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-07-21 15:45:49,079 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:45:49,079 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:45:49,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1997946803] [2022-07-21 15:45:49,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1997946803] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:45:49,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:45:49,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:45:49,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893148784] [2022-07-21 15:45:49,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:45:49,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:45:49,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:45:49,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:45:49,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:45:49,080 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) [2022-07-21 15:45:49,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:45:49,305 INFO L93 Difference]: Finished difference Result 4913 states and 6940 transitions. [2022-07-21 15:45:49,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 15:45:49,305 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 [2022-07-21 15:45:49,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:45:49,311 INFO L225 Difference]: With dead ends: 4913 [2022-07-21 15:45:49,311 INFO L226 Difference]: Without dead ends: 2470 [2022-07-21 15:45:49,315 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 [2022-07-21 15:45:49,316 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 [2022-07-21 15:45:49,316 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] [2022-07-21 15:45:49,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2470 states. [2022-07-21 15:45:49,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2470 to 2468. [2022-07-21 15:45:49,513 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) [2022-07-21 15:45:49,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 2468 states and 3473 transitions. [2022-07-21 15:45:49,521 INFO L78 Accepts]: Start accepts. Automaton has 2468 states and 3473 transitions. Word has length 403 [2022-07-21 15:45:49,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:45:49,521 INFO L495 AbstractCegarLoop]: Abstraction has 2468 states and 3473 transitions. [2022-07-21 15:45:49,522 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) [2022-07-21 15:45:49,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2468 states and 3473 transitions. [2022-07-21 15:45:49,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-07-21 15:45:49,525 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:45:49,525 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] [2022-07-21 15:45:49,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2022-07-21 15:45:49,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:45:49,740 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)] === [2022-07-21 15:45:49,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:45:49,740 INFO L85 PathProgramCache]: Analyzing trace with hash 293039085, now seen corresponding path program 1 times [2022-07-21 15:45:49,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:45:49,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1722455934] [2022-07-21 15:45:49,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:45:49,743 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:45:49,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:45:49,744 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) [2022-07-21 15:45:49,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2022-07-21 15:45:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:45:53,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 3490 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:45:53,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:45:53,458 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-07-21 15:45:53,458 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 15:45:54,284 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-07-21 15:45:54,284 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:45:54,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1722455934] [2022-07-21 15:45:54,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1722455934] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 15:45:54,285 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 15:45:54,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-21 15:45:54,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993225855] [2022-07-21 15:45:54,285 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 15:45:54,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 15:45:54,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:45:54,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 15:45:54,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-21 15:45:54,286 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) [2022-07-21 15:45:54,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:45:54,732 INFO L93 Difference]: Finished difference Result 4922 states and 6951 transitions. [2022-07-21 15:45:54,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:45:54,732 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 [2022-07-21 15:45:54,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:45:54,738 INFO L225 Difference]: With dead ends: 4922 [2022-07-21 15:45:54,738 INFO L226 Difference]: Without dead ends: 2477 [2022-07-21 15:45:54,745 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 [2022-07-21 15:45:54,746 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, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 15:45:54,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 13302 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 15:45:54,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2477 states. [2022-07-21 15:45:54,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2477 to 2477. [2022-07-21 15:45:54,922 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) [2022-07-21 15:45:54,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 2477 states and 3482 transitions. [2022-07-21 15:45:54,927 INFO L78 Accepts]: Start accepts. Automaton has 2477 states and 3482 transitions. Word has length 406 [2022-07-21 15:45:54,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:45:54,928 INFO L495 AbstractCegarLoop]: Abstraction has 2477 states and 3482 transitions. [2022-07-21 15:45:54,928 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) [2022-07-21 15:45:54,928 INFO L276 IsEmpty]: Start isEmpty. Operand 2477 states and 3482 transitions. [2022-07-21 15:45:54,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2022-07-21 15:45:54,931 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:45:54,932 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] [2022-07-21 15:45:55,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (46)] Forceful destruction successful, exit code 0 [2022-07-21 15:45:55,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:45:55,148 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)] === [2022-07-21 15:45:55,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:45:55,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1522072061, now seen corresponding path program 2 times [2022-07-21 15:45:55,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:45:55,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [56994220] [2022-07-21 15:45:55,150 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 15:45:55,150 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:45:55,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:45:55,168 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) [2022-07-21 15:45:55,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2022-07-21 15:45:58,258 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 15:45:58,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 15:45:58,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 3532 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 15:45:58,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:45:58,992 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-07-21 15:45:58,992 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 15:45:59,847 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 4 proven. 26 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-07-21 15:45:59,847 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:45:59,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [56994220] [2022-07-21 15:45:59,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [56994220] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 15:45:59,848 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 15:45:59,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-07-21 15:45:59,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581974077] [2022-07-21 15:45:59,848 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 15:45:59,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-21 15:45:59,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:45:59,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-21 15:45:59,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-07-21 15:45:59,850 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) [2022-07-21 15:46:01,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:46:01,226 INFO L93 Difference]: Finished difference Result 4949 states and 6981 transitions. [2022-07-21 15:46:01,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 15:46:01,227 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 [2022-07-21 15:46:01,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:46:01,235 INFO L225 Difference]: With dead ends: 4949 [2022-07-21 15:46:01,236 INFO L226 Difference]: Without dead ends: 2495 [2022-07-21 15:46:01,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 837 GetRequests, 816 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=144, Invalid=362, Unknown=0, NotChecked=0, Total=506 [2022-07-21 15:46:01,242 INFO L413 NwaCegarLoop]: 2675 mSDtfsCounter, 94 mSDsluCounter, 26578 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 15:46:01,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 29253 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 15:46:01,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2022-07-21 15:46:01,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2495. [2022-07-21 15:46:01,426 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) [2022-07-21 15:46:01,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 3500 transitions. [2022-07-21 15:46:01,434 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 3500 transitions. Word has length 415 [2022-07-21 15:46:01,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:46:01,434 INFO L495 AbstractCegarLoop]: Abstraction has 2495 states and 3500 transitions. [2022-07-21 15:46:01,435 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) [2022-07-21 15:46:01,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3500 transitions. [2022-07-21 15:46:01,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2022-07-21 15:46:01,437 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:46:01,437 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] [2022-07-21 15:46:01,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (47)] Forceful destruction successful, exit code 0 [2022-07-21 15:46:01,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:46:01,638 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)] === [2022-07-21 15:46:01,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:46:01,638 INFO L85 PathProgramCache]: Analyzing trace with hash 540403011, now seen corresponding path program 3 times [2022-07-21 15:46:01,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:46:01,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1936506288] [2022-07-21 15:46:01,641 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-21 15:46:01,641 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:46:01,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:46:01,642 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) [2022-07-21 15:46:01,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2022-07-21 15:46:03,464 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-07-21 15:46:03,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 15:46:03,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 15:46:03,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:46:03,725 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2022-07-21 15:46:03,725 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:46:03,725 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:46:03,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1936506288] [2022-07-21 15:46:03,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1936506288] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:46:03,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:46:03,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 15:46:03,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543108372] [2022-07-21 15:46:03,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:46:03,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 15:46:03,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:46:03,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 15:46:03,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 15:46:03,727 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) [2022-07-21 15:46:04,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:46:04,396 INFO L93 Difference]: Finished difference Result 5044 states and 7234 transitions. [2022-07-21 15:46:04,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:46:04,397 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 [2022-07-21 15:46:04,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:46:04,405 INFO L225 Difference]: With dead ends: 5044 [2022-07-21 15:46:04,405 INFO L226 Difference]: Without dead ends: 2572 [2022-07-21 15:46:04,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 427 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 15:46:04,412 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 [2022-07-21 15:46:04,413 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] [2022-07-21 15:46:04,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2572 states. [2022-07-21 15:46:04,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2572 to 2570. [2022-07-21 15:46:04,590 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) [2022-07-21 15:46:04,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2570 states to 2570 states and 3571 transitions. [2022-07-21 15:46:04,595 INFO L78 Accepts]: Start accepts. Automaton has 2570 states and 3571 transitions. Word has length 433 [2022-07-21 15:46:04,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:46:04,595 INFO L495 AbstractCegarLoop]: Abstraction has 2570 states and 3571 transitions. [2022-07-21 15:46:04,596 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) [2022-07-21 15:46:04,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2570 states and 3571 transitions. [2022-07-21 15:46:04,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2022-07-21 15:46:04,599 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:46:04,599 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] [2022-07-21 15:46:04,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (48)] Ended with exit code 0 [2022-07-21 15:46:04,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:46:04,800 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)] === [2022-07-21 15:46:04,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:46:04,800 INFO L85 PathProgramCache]: Analyzing trace with hash -70791302, now seen corresponding path program 1 times [2022-07-21 15:46:04,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:46:04,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1959407095] [2022-07-21 15:46:04,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:46:04,802 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:46:04,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:46:04,803 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) [2022-07-21 15:46:04,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2022-07-21 15:46:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:46:06,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 2404 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 15:46:06,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:46:06,867 INFO L356 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2022-07-21 15:46:06,868 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 [2022-07-21 15:46:07,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 1090 trivial. 0 not checked. [2022-07-21 15:46:07,424 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:46:07,424 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:46:07,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1959407095] [2022-07-21 15:46:07,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1959407095] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:46:07,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:46:07,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 15:46:07,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983266939] [2022-07-21 15:46:07,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:46:07,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 15:46:07,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:46:07,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 15:46:07,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:46:07,426 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) [2022-07-21 15:46:11,578 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 [] [2022-07-21 15:46:13,982 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:46:15,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:46:35,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:46:38,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:46:41,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:46:43,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []