./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--media--usb--gspca--gspca_main.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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--media--usb--gspca--gspca_main.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 68ead1e29a6cc769e9e712c81a52de8a551f5275fff71a8b8c48675aa28de434 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 16:02:32,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 16:02:32,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 16:02:32,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 16:02:32,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 16:02:32,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 16:02:32,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 16:02:32,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 16:02:32,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 16:02:32,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 16:02:32,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 16:02:32,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 16:02:32,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 16:02:32,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 16:02:32,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 16:02:32,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 16:02:32,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 16:02:32,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 16:02:32,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 16:02:32,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 16:02:32,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 16:02:32,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 16:02:32,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 16:02:32,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 16:02:32,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 16:02:32,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 16:02:32,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 16:02:32,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 16:02:32,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 16:02:32,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 16:02:32,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 16:02:32,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 16:02:32,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 16:02:32,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 16:02:32,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 16:02:32,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 16:02:32,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 16:02:32,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 16:02:32,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 16:02:32,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 16:02:32,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 16:02:32,712 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 16:02:32,735 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 16:02:32,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 16:02:32,736 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 16:02:32,736 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 16:02:32,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 16:02:32,737 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 16:02:32,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 16:02:32,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 16:02:32,737 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 16:02:32,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 16:02:32,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 16:02:32,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 16:02:32,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 16:02:32,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 16:02:32,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 16:02:32,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 16:02:32,739 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 16:02:32,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 16:02:32,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 16:02:32,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 16:02:32,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 16:02:32,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 16:02:32,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 16:02:32,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 16:02:32,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 16:02:32,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 16:02:32,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 16:02:32,741 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 16:02:32,741 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 16:02:32,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 16:02:32,741 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 16:02:32,742 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68ead1e29a6cc769e9e712c81a52de8a551f5275fff71a8b8c48675aa28de434 [2021-12-22 16:02:32,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 16:02:32,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 16:02:32,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 16:02:32,965 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 16:02:32,965 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 16:02:32,968 INFO L432 ainManager$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--media--usb--gspca--gspca_main.ko.cil.i [2021-12-22 16:02:33,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60d8c7f0d/52915104fbe94bbbb63aaab5c660bf28/FLAGaef6c6046 [2021-12-22 16:02:33,681 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 16:02:33,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i [2021-12-22 16:02:33,724 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60d8c7f0d/52915104fbe94bbbb63aaab5c660bf28/FLAGaef6c6046 [2021-12-22 16:02:33,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60d8c7f0d/52915104fbe94bbbb63aaab5c660bf28 [2021-12-22 16:02:33,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 16:02:33,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 16:02:33,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 16:02:33,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 16:02:33,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 16:02:33,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:02:33" (1/1) ... [2021-12-22 16:02:33,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8194a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:33, skipping insertion in model container [2021-12-22 16:02:33,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:02:33" (1/1) ... [2021-12-22 16:02:34,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 16:02:34,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 16:02:36,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418415,418428] [2021-12-22 16:02:36,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418560,418573] [2021-12-22 16:02:36,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418706,418719] [2021-12-22 16:02:36,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418871,418884] [2021-12-22 16:02:36,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419029,419042] [2021-12-22 16:02:36,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419187,419200] [2021-12-22 16:02:36,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419345,419358] [2021-12-22 16:02:36,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419505,419518] [2021-12-22 16:02:36,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419664,419677] [2021-12-22 16:02:36,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419803,419816] [2021-12-22 16:02:36,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419945,419958] [2021-12-22 16:02:36,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420094,420107] [2021-12-22 16:02:36,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420233,420246] [2021-12-22 16:02:36,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420388,420401] [2021-12-22 16:02:36,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420548,420561] [2021-12-22 16:02:36,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420699,420712] [2021-12-22 16:02:36,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420850,420863] [2021-12-22 16:02:36,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421002,421015] [2021-12-22 16:02:36,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421151,421164] [2021-12-22 16:02:36,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421299,421312] [2021-12-22 16:02:36,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421456,421469] [2021-12-22 16:02:36,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421605,421618] [2021-12-22 16:02:36,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421761,421774] [2021-12-22 16:02:36,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421914,421927] [2021-12-22 16:02:36,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422060,422073] [2021-12-22 16:02:36,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422203,422216] [2021-12-22 16:02:36,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422355,422368] [2021-12-22 16:02:36,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422501,422514] [2021-12-22 16:02:36,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422646,422659] [2021-12-22 16:02:36,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422800,422813] [2021-12-22 16:02:36,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422951,422964] [2021-12-22 16:02:36,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423106,423119] [2021-12-22 16:02:36,732 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423258,423271] [2021-12-22 16:02:36,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423413,423426] [2021-12-22 16:02:36,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423577,423590] [2021-12-22 16:02:36,733 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423733,423746] [2021-12-22 16:02:36,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423897,423910] [2021-12-22 16:02:36,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424039,424052] [2021-12-22 16:02:36,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424197,424210] [2021-12-22 16:02:36,734 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424364,424377] [2021-12-22 16:02:36,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424523,424536] [2021-12-22 16:02:36,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424682,424695] [2021-12-22 16:02:36,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424831,424844] [2021-12-22 16:02:36,735 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424978,424991] [2021-12-22 16:02:36,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425117,425130] [2021-12-22 16:02:36,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425280,425293] [2021-12-22 16:02:36,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425446,425459] [2021-12-22 16:02:36,737 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425610,425623] [2021-12-22 16:02:36,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425775,425788] [2021-12-22 16:02:36,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425940,425953] [2021-12-22 16:02:36,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426106,426119] [2021-12-22 16:02:36,738 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426271,426284] [2021-12-22 16:02:36,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426438,426451] [2021-12-22 16:02:36,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426598,426611] [2021-12-22 16:02:36,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426760,426773] [2021-12-22 16:02:36,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426919,426932] [2021-12-22 16:02:36,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427065,427078] [2021-12-22 16:02:36,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427208,427221] [2021-12-22 16:02:36,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427352,427365] [2021-12-22 16:02:36,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427495,427508] [2021-12-22 16:02:36,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427639,427652] [2021-12-22 16:02:36,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427780,427793] [2021-12-22 16:02:36,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427918,427931] [2021-12-22 16:02:36,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428076,428089] [2021-12-22 16:02:36,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428235,428248] [2021-12-22 16:02:36,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428391,428404] [2021-12-22 16:02:36,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428540,428553] [2021-12-22 16:02:36,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428692,428705] [2021-12-22 16:02:36,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428843,428856] [2021-12-22 16:02:36,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428992,429005] [2021-12-22 16:02:36,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429144,429157] [2021-12-22 16:02:36,754 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--media--usb--gspca--gspca_main.ko.cil.i[429292,429305] [2021-12-22 16:02:36,754 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--media--usb--gspca--gspca_main.ko.cil.i[429445,429458] [2021-12-22 16:02:36,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429596,429609] [2021-12-22 16:02:36,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429746,429759] [2021-12-22 16:02:36,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429893,429906] [2021-12-22 16:02:36,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430044,430057] [2021-12-22 16:02:36,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430195,430208] [2021-12-22 16:02:36,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430343,430356] [2021-12-22 16:02:36,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430509,430522] [2021-12-22 16:02:36,757 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--media--usb--gspca--gspca_main.ko.cil.i[430678,430691] [2021-12-22 16:02:36,757 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--media--usb--gspca--gspca_main.ko.cil.i[430845,430858] [2021-12-22 16:02:36,757 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--media--usb--gspca--gspca_main.ko.cil.i[431013,431026] [2021-12-22 16:02:36,757 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--media--usb--gspca--gspca_main.ko.cil.i[431163,431176] [2021-12-22 16:02:36,758 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--media--usb--gspca--gspca_main.ko.cil.i[431310,431323] [2021-12-22 16:02:36,758 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--media--usb--gspca--gspca_main.ko.cil.i[431471,431484] [2021-12-22 16:02:36,758 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--media--usb--gspca--gspca_main.ko.cil.i[431641,431654] [2021-12-22 16:02:36,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431803,431816] [2021-12-22 16:02:36,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 16:02:36,819 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 16:02:37,273 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418415,418428] [2021-12-22 16:02:37,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418560,418573] [2021-12-22 16:02:37,274 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418706,418719] [2021-12-22 16:02:37,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[418871,418884] [2021-12-22 16:02:37,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419029,419042] [2021-12-22 16:02:37,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419187,419200] [2021-12-22 16:02:37,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419345,419358] [2021-12-22 16:02:37,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419505,419518] [2021-12-22 16:02:37,277 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419664,419677] [2021-12-22 16:02:37,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419803,419816] [2021-12-22 16:02:37,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[419945,419958] [2021-12-22 16:02:37,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420094,420107] [2021-12-22 16:02:37,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420233,420246] [2021-12-22 16:02:37,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420388,420401] [2021-12-22 16:02:37,279 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420548,420561] [2021-12-22 16:02:37,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420699,420712] [2021-12-22 16:02:37,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[420850,420863] [2021-12-22 16:02:37,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421002,421015] [2021-12-22 16:02:37,280 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421151,421164] [2021-12-22 16:02:37,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421299,421312] [2021-12-22 16:02:37,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421456,421469] [2021-12-22 16:02:37,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421605,421618] [2021-12-22 16:02:37,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421761,421774] [2021-12-22 16:02:37,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[421914,421927] [2021-12-22 16:02:37,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422060,422073] [2021-12-22 16:02:37,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422203,422216] [2021-12-22 16:02:37,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422355,422368] [2021-12-22 16:02:37,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422501,422514] [2021-12-22 16:02:37,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422646,422659] [2021-12-22 16:02:37,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422800,422813] [2021-12-22 16:02:37,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[422951,422964] [2021-12-22 16:02:37,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423106,423119] [2021-12-22 16:02:37,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423258,423271] [2021-12-22 16:02:37,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423413,423426] [2021-12-22 16:02:37,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423577,423590] [2021-12-22 16:02:37,286 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423733,423746] [2021-12-22 16:02:37,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[423897,423910] [2021-12-22 16:02:37,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424039,424052] [2021-12-22 16:02:37,287 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424197,424210] [2021-12-22 16:02:37,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424364,424377] [2021-12-22 16:02:37,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424523,424536] [2021-12-22 16:02:37,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424682,424695] [2021-12-22 16:02:37,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424831,424844] [2021-12-22 16:02:37,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[424978,424991] [2021-12-22 16:02:37,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425117,425130] [2021-12-22 16:02:37,291 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425280,425293] [2021-12-22 16:02:37,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425446,425459] [2021-12-22 16:02:37,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425610,425623] [2021-12-22 16:02:37,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425775,425788] [2021-12-22 16:02:37,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[425940,425953] [2021-12-22 16:02:37,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426106,426119] [2021-12-22 16:02:37,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426271,426284] [2021-12-22 16:02:37,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426438,426451] [2021-12-22 16:02:37,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426598,426611] [2021-12-22 16:02:37,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426760,426773] [2021-12-22 16:02:37,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[426919,426932] [2021-12-22 16:02:37,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427065,427078] [2021-12-22 16:02:37,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427208,427221] [2021-12-22 16:02:37,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427352,427365] [2021-12-22 16:02:37,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427495,427508] [2021-12-22 16:02:37,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427639,427652] [2021-12-22 16:02:37,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427780,427793] [2021-12-22 16:02:37,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[427918,427931] [2021-12-22 16:02:37,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428076,428089] [2021-12-22 16:02:37,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428235,428248] [2021-12-22 16:02:37,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428391,428404] [2021-12-22 16:02:37,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428540,428553] [2021-12-22 16:02:37,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428692,428705] [2021-12-22 16:02:37,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428843,428856] [2021-12-22 16:02:37,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[428992,429005] [2021-12-22 16:02:37,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429144,429157] [2021-12-22 16:02:37,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429292,429305] [2021-12-22 16:02:37,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429445,429458] [2021-12-22 16:02:37,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429596,429609] [2021-12-22 16:02:37,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429746,429759] [2021-12-22 16:02:37,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[429893,429906] [2021-12-22 16:02:37,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430044,430057] [2021-12-22 16:02:37,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430195,430208] [2021-12-22 16:02:37,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430343,430356] [2021-12-22 16:02:37,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430509,430522] [2021-12-22 16:02:37,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430678,430691] [2021-12-22 16:02:37,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[430845,430858] [2021-12-22 16:02:37,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431013,431026] [2021-12-22 16:02:37,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431163,431176] [2021-12-22 16:02:37,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431310,431323] [2021-12-22 16:02:37,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431471,431484] [2021-12-22 16:02:37,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431641,431654] [2021-12-22 16:02:37,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i[431803,431816] [2021-12-22 16:02:37,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 16:02:37,473 INFO L208 MainTranslator]: Completed translation [2021-12-22 16:02:37,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:37 WrapperNode [2021-12-22 16:02:37,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 16:02:37,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 16:02:37,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 16:02:37,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 16:02:37,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:37" (1/1) ... [2021-12-22 16:02:37,571 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:37" (1/1) ... [2021-12-22 16:02:37,718 INFO L137 Inliner]: procedures = 643, calls = 3813, calls flagged for inlining = 294, calls inlined = 195, statements flattened = 6040 [2021-12-22 16:02:37,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 16:02:37,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 16:02:37,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 16:02:37,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 16:02:37,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:37" (1/1) ... [2021-12-22 16:02:37,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:37" (1/1) ... [2021-12-22 16:02:37,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:37" (1/1) ... [2021-12-22 16:02:37,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:37" (1/1) ... [2021-12-22 16:02:37,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:37" (1/1) ... [2021-12-22 16:02:37,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:37" (1/1) ... [2021-12-22 16:02:37,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:37" (1/1) ... [2021-12-22 16:02:37,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 16:02:37,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 16:02:37,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 16:02:37,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 16:02:37,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:37" (1/1) ... [2021-12-22 16:02:37,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 16:02:37,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 16:02:37,968 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) [2021-12-22 16:02:37,985 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 [2021-12-22 16:02:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-22 16:02:38,008 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-22 16:02:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure PDEBUG_MODE [2021-12-22 16:02:38,008 INFO L138 BoogieDeclarations]: Found implementation of procedure PDEBUG_MODE [2021-12-22 16:02:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-22 16:02:38,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-22 16:02:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure alt_xfer [2021-12-22 16:02:38,009 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_xfer [2021-12-22 16:02:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2021-12-22 16:02:38,009 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2021-12-22 16:02:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 16:02:38,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 16:02:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure dev_poll [2021-12-22 16:02:38,009 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_poll [2021-12-22 16:02:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2021-12-22 16:02:38,010 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2021-12-22 16:02:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-22 16:02:38,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-22 16:02:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure frame_ready_nolock [2021-12-22 16:02:38,010 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_ready_nolock [2021-12-22 16:02:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2021-12-22 16:02:38,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2021-12-22 16:02:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure frame_ready [2021-12-22 16:02:38,011 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_ready [2021-12-22 16:02:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-12-22 16:02:38,011 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-12-22 16:02:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-22 16:02:38,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-22 16:02:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-22 16:02:38,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-22 16:02:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_set_alt0 [2021-12-22 16:02:38,012 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_set_alt0 [2021-12-22 16:02:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2021-12-22 16:02:38,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2021-12-22 16:02:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 16:02:38,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 16:02:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-12-22 16:02:38,012 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-12-22 16:02:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 16:02:38,013 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 16:02:38,013 INFO L130 BoogieDeclarations]: Found specification of procedure int_irq [2021-12-22 16:02:38,013 INFO L138 BoogieDeclarations]: Found implementation of procedure int_irq [2021-12-22 16:02:38,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 16:02:38,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 16:02:38,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-22 16:02:38,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-22 16:02:38,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_queue_lock_of_gspca_dev [2021-12-22 16:02:38,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_queue_lock_of_gspca_dev [2021-12-22 16:02:38,014 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2021-12-22 16:02:38,014 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2021-12-22 16:02:38,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 16:02:38,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_usb_lock_of_gspca_dev [2021-12-22 16:02:38,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_usb_lock_of_gspca_dev [2021-12-22 16:02:38,014 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_stream_off [2021-12-22 16:02:38,014 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_stream_off [2021-12-22 16:02:38,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-22 16:02:38,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-22 16:02:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 16:02:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_input_create_urb [2021-12-22 16:02:38,015 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_input_create_urb [2021-12-22 16:02:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_timeval [2021-12-22 16:02:38,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_timeval [2021-12-22 16:02:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-22 16:02:38,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-22 16:02:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 16:02:38,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-22 16:02:38,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-22 16:02:38,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 16:02:38,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 16:02:38,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-22 16:02:38,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-22 16:02:38,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 16:02:38,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-22 16:02:38,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-22 16:02:38,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 16:02:38,021 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 16:02:38,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-22 16:02:38,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-22 16:02:38,021 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-22 16:02:38,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-22 16:02:38,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 16:02:38,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 16:02:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-22 16:02:38,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-22 16:02:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-22 16:02:38,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-22 16:02:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-22 16:02:38,022 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-22 16:02:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-12-22 16:02:38,022 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-12-22 16:02:38,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-22 16:02:38,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-22 16:02:38,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 16:02:38,023 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_resume [2021-12-22 16:02:38,023 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_resume [2021-12-22 16:02:38,023 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_urbs [2021-12-22 16:02:38,023 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_urbs [2021-12-22 16:02:38,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 16:02:38,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 16:02:38,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 16:02:38,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 16:02:38,024 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 16:02:38,024 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 16:02:38,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 16:02:38,024 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-22 16:02:38,024 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-22 16:02:38,024 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 16:02:38,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 16:02:38,025 INFO L130 BoogieDeclarations]: Found specification of procedure dev_open [2021-12-22 16:02:38,025 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_open [2021-12-22 16:02:38,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_queue_lock_of_gspca_dev [2021-12-22 16:02:38,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_queue_lock_of_gspca_dev [2021-12-22 16:02:38,025 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_vm_close [2021-12-22 16:02:38,025 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_vm_close [2021-12-22 16:02:38,025 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2021-12-22 16:02:38,025 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2021-12-22 16:02:38,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-22 16:02:38,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-22 16:02:38,026 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2021-12-22 16:02:38,026 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2021-12-22 16:02:38,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-22 16:02:38,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-22 16:02:38,026 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-12-22 16:02:38,026 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-12-22 16:02:38,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 16:02:38,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 16:02:38,027 INFO L130 BoogieDeclarations]: Found specification of procedure wxh_to_mode [2021-12-22 16:02:38,027 INFO L138 BoogieDeclarations]: Found implementation of procedure wxh_to_mode [2021-12-22 16:02:38,027 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-22 16:02:38,027 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-22 16:02:38,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 16:02:38,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 16:02:38,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 16:02:38,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 16:02:38,027 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-12-22 16:02:38,028 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-12-22 16:02:38,028 INFO L130 BoogieDeclarations]: Found specification of procedure frame_free [2021-12-22 16:02:38,028 INFO L138 BoogieDeclarations]: Found implementation of procedure frame_free [2021-12-22 16:02:38,028 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-22 16:02:38,028 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-22 16:02:38,028 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mmap [2021-12-22 16:02:38,028 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mmap [2021-12-22 16:02:38,028 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-12-22 16:02:38,028 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-12-22 16:02:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2021-12-22 16:02:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2021-12-22 16:02:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_init_transfer [2021-12-22 16:02:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_init_transfer [2021-12-22 16:02:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-22 16:02:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-22 16:02:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 16:02:38,029 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 16:02:38,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-22 16:02:38,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-22 16:02:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-12-22 16:02:38,030 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-12-22 16:02:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2021-12-22 16:02:38,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2021-12-22 16:02:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-22 16:02:38,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-22 16:02:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 16:02:38,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-22 16:02:38,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-22 16:02:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 16:02:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-22 16:02:38,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-22 16:02:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-12-22 16:02:38,031 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-12-22 16:02:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_usb_lock_of_gspca_dev [2021-12-22 16:02:38,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_usb_lock_of_gspca_dev [2021-12-22 16:02:38,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2021-12-22 16:02:38,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2021-12-22 16:02:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 16:02:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-12-22 16:02:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-12-22 16:02:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2021-12-22 16:02:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2021-12-22 16:02:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure read_alloc [2021-12-22 16:02:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure read_alloc [2021-12-22 16:02:38,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-22 16:02:38,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-22 16:02:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 16:02:38,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 16:02:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2021-12-22 16:02:38,033 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2021-12-22 16:02:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2021-12-22 16:02:38,033 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release_empty [2021-12-22 16:02:38,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-22 16:02:38,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-22 16:02:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-12-22 16:02:38,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-12-22 16:02:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-22 16:02:38,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-22 16:02:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_input_destroy_urb [2021-12-22 16:02:38,034 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_input_destroy_urb [2021-12-22 16:02:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-22 16:02:38,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-22 16:02:38,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-22 16:02:38,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-22 16:02:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-22 16:02:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-22 16:02:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-22 16:02:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-22 16:02:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-22 16:02:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-22 16:02:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 16:02:38,035 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 16:02:38,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-22 16:02:38,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-22 16:02:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 16:02:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-22 16:02:38,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-22 16:02:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_disconnect [2021-12-22 16:02:38,036 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_disconnect [2021-12-22 16:02:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 16:02:38,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 16:02:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-22 16:02:38,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-22 16:02:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2021-12-22 16:02:38,037 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2021-12-22 16:02:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure try_fmt_vid_cap [2021-12-22 16:02:38,037 INFO L138 BoogieDeclarations]: Found implementation of procedure try_fmt_vid_cap [2021-12-22 16:02:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-22 16:02:38,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-22 16:02:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 16:02:38,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 16:02:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-22 16:02:38,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-22 16:02:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-22 16:02:38,038 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-22 16:02:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_usb_lock_of_gspca_dev [2021-12-22 16:02:38,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_usb_lock_of_gspca_dev [2021-12-22 16:02:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 16:02:38,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-22 16:02:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 16:02:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 16:02:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-22 16:02:38,039 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_vm_open [2021-12-22 16:02:38,039 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_vm_open [2021-12-22 16:02:38,701 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 16:02:38,704 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 16:02:38,810 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 16:02:41,641 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 16:02:41,662 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 16:02:41,662 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 16:02:41,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:02:41 BoogieIcfgContainer [2021-12-22 16:02:41,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 16:02:41,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 16:02:41,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 16:02:41,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 16:02:41,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 04:02:33" (1/3) ... [2021-12-22 16:02:41,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f8c624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:02:41, skipping insertion in model container [2021-12-22 16:02:41,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:02:37" (2/3) ... [2021-12-22 16:02:41,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f8c624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 04:02:41, skipping insertion in model container [2021-12-22 16:02:41,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 04:02:41" (3/3) ... [2021-12-22 16:02:41,672 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--media--usb--gspca--gspca_main.ko.cil.i [2021-12-22 16:02:41,678 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 16:02:41,679 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2021-12-22 16:02:41,721 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 16:02:41,727 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 16:02:41,727 INFO L340 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2021-12-22 16:02:41,767 INFO L276 IsEmpty]: Start isEmpty. Operand has 1779 states, 1270 states have (on average 1.337007874015748) internal successors, (1698), 1320 states have internal predecessors, (1698), 368 states have call successors, (368), 111 states have call predecessors, (368), 110 states have return successors, (364), 357 states have call predecessors, (364), 364 states have call successors, (364) [2021-12-22 16:02:41,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-12-22 16:02:41,772 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:41,772 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:02:41,773 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-22 16:02:41,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:41,776 INFO L85 PathProgramCache]: Analyzing trace with hash 491573437, now seen corresponding path program 1 times [2021-12-22 16:02:41,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:41,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439018077] [2021-12-22 16:02:41,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:41,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 16:02:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:02:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 16:02:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 16:02:42,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:42,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439018077] [2021-12-22 16:02:42,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439018077] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:42,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:42,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:42,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734274176] [2021-12-22 16:02:42,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:42,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:42,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:42,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:42,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:42,356 INFO L87 Difference]: Start difference. First operand has 1779 states, 1270 states have (on average 1.337007874015748) internal successors, (1698), 1320 states have internal predecessors, (1698), 368 states have call successors, (368), 111 states have call predecessors, (368), 110 states have return successors, (364), 357 states have call predecessors, (364), 364 states have call successors, (364) Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-22 16:02:45,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:45,827 INFO L93 Difference]: Finished difference Result 3479 states and 4918 transitions. [2021-12-22 16:02:45,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:02:45,830 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 49 [2021-12-22 16:02:45,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:45,856 INFO L225 Difference]: With dead ends: 3479 [2021-12-22 16:02:45,857 INFO L226 Difference]: Without dead ends: 1761 [2021-12-22 16:02:45,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:02:45,874 INFO L933 BasicCegarLoop]: 2181 mSDtfsCounter, 4372 mSDsluCounter, 1647 mSDsCounter, 0 mSdLazyCounter, 2014 mSolverCounterSat, 1562 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4523 SdHoareTripleChecker+Valid, 3828 SdHoareTripleChecker+Invalid, 3576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1562 IncrementalHoareTripleChecker+Valid, 2014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:45,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4523 Valid, 3828 Invalid, 3576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1562 Valid, 2014 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-12-22 16:02:45,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2021-12-22 16:02:45,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1761. [2021-12-22 16:02:45,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1761 states, 1259 states have (on average 1.3089753772835584) internal successors, (1648), 1305 states have internal predecessors, (1648), 364 states have call successors, (364), 110 states have call predecessors, (364), 109 states have return successors, (362), 355 states have call predecessors, (362), 362 states have call successors, (362) [2021-12-22 16:02:46,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 2374 transitions. [2021-12-22 16:02:46,008 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 2374 transitions. Word has length 49 [2021-12-22 16:02:46,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:46,009 INFO L470 AbstractCegarLoop]: Abstraction has 1761 states and 2374 transitions. [2021-12-22 16:02:46,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-22 16:02:46,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2374 transitions. [2021-12-22 16:02:46,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-22 16:02:46,012 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:46,012 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:02:46,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 16:02:46,012 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-22 16:02:46,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:46,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1057376870, now seen corresponding path program 1 times [2021-12-22 16:02:46,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:46,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181408026] [2021-12-22 16:02:46,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:46,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 16:02:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:02:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 16:02:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 16:02:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:46,329 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 16:02:46,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:46,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181408026] [2021-12-22 16:02:46,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181408026] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:46,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:46,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:46,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611924561] [2021-12-22 16:02:46,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:46,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:46,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:46,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:46,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:46,332 INFO L87 Difference]: Start difference. First operand 1761 states and 2374 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-22 16:02:49,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:49,380 INFO L93 Difference]: Finished difference Result 1761 states and 2374 transitions. [2021-12-22 16:02:49,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:02:49,381 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2021-12-22 16:02:49,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:49,388 INFO L225 Difference]: With dead ends: 1761 [2021-12-22 16:02:49,388 INFO L226 Difference]: Without dead ends: 1759 [2021-12-22 16:02:49,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:02:49,390 INFO L933 BasicCegarLoop]: 2163 mSDtfsCounter, 4340 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 1554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4488 SdHoareTripleChecker+Valid, 3792 SdHoareTripleChecker+Invalid, 3556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1554 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:49,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4488 Valid, 3792 Invalid, 3556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1554 Valid, 2002 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-22 16:02:49,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1759 states. [2021-12-22 16:02:49,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1759 to 1759. [2021-12-22 16:02:49,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1759 states, 1258 states have (on average 1.3084260731319555) internal successors, (1646), 1303 states have internal predecessors, (1646), 364 states have call successors, (364), 110 states have call predecessors, (364), 109 states have return successors, (362), 355 states have call predecessors, (362), 362 states have call successors, (362) [2021-12-22 16:02:49,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1759 states and 2372 transitions. [2021-12-22 16:02:49,444 INFO L78 Accepts]: Start accepts. Automaton has 1759 states and 2372 transitions. Word has length 55 [2021-12-22 16:02:49,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:49,445 INFO L470 AbstractCegarLoop]: Abstraction has 1759 states and 2372 transitions. [2021-12-22 16:02:49,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-22 16:02:49,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2372 transitions. [2021-12-22 16:02:49,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-22 16:02:49,449 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:49,449 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:02:49,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 16:02:49,449 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-22 16:02:49,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:49,450 INFO L85 PathProgramCache]: Analyzing trace with hash -330665290, now seen corresponding path program 1 times [2021-12-22 16:02:49,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:49,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516188054] [2021-12-22 16:02:49,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:49,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:49,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:49,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:49,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 16:02:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:49,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:02:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:49,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:49,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:49,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 16:02:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:49,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 16:02:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:49,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 16:02:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:49,717 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 16:02:49,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:49,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516188054] [2021-12-22 16:02:49,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516188054] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:49,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:49,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:49,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971779524] [2021-12-22 16:02:49,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:49,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:49,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:49,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:49,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:49,719 INFO L87 Difference]: Start difference. First operand 1759 states and 2372 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 16:02:52,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:52,681 INFO L93 Difference]: Finished difference Result 1759 states and 2372 transitions. [2021-12-22 16:02:52,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:02:52,682 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 61 [2021-12-22 16:02:52,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:52,689 INFO L225 Difference]: With dead ends: 1759 [2021-12-22 16:02:52,690 INFO L226 Difference]: Without dead ends: 1757 [2021-12-22 16:02:52,693 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:02:52,694 INFO L933 BasicCegarLoop]: 2161 mSDtfsCounter, 4334 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 2000 mSolverCounterSat, 1554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4481 SdHoareTripleChecker+Valid, 3790 SdHoareTripleChecker+Invalid, 3554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1554 IncrementalHoareTripleChecker+Valid, 2000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:52,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4481 Valid, 3790 Invalid, 3554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1554 Valid, 2000 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-22 16:02:52,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1757 states. [2021-12-22 16:02:52,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1757 to 1757. [2021-12-22 16:02:52,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1757 states, 1257 states have (on average 1.307875894988067) internal successors, (1644), 1301 states have internal predecessors, (1644), 364 states have call successors, (364), 110 states have call predecessors, (364), 109 states have return successors, (362), 355 states have call predecessors, (362), 362 states have call successors, (362) [2021-12-22 16:02:52,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1757 states and 2370 transitions. [2021-12-22 16:02:52,796 INFO L78 Accepts]: Start accepts. Automaton has 1757 states and 2370 transitions. Word has length 61 [2021-12-22 16:02:52,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:52,797 INFO L470 AbstractCegarLoop]: Abstraction has 1757 states and 2370 transitions. [2021-12-22 16:02:52,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-22 16:02:52,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 2370 transitions. [2021-12-22 16:02:52,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-12-22 16:02:52,798 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:52,798 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:02:52,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 16:02:52,798 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-22 16:02:52,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:52,799 INFO L85 PathProgramCache]: Analyzing trace with hash -380466013, now seen corresponding path program 1 times [2021-12-22 16:02:52,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:52,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362773851] [2021-12-22 16:02:52,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:52,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:52,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:52,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:52,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 16:02:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:52,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:02:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:52,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:52,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:52,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 16:02:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:52,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 16:02:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:53,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 16:02:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:53,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 16:02:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:53,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 16:02:53,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:53,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362773851] [2021-12-22 16:02:53,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362773851] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:53,020 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:53,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:53,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288916541] [2021-12-22 16:02:53,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:53,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:53,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:53,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:53,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:53,022 INFO L87 Difference]: Start difference. First operand 1757 states and 2370 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-22 16:02:55,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:55,782 INFO L93 Difference]: Finished difference Result 1757 states and 2370 transitions. [2021-12-22 16:02:55,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:02:55,783 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 67 [2021-12-22 16:02:55,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:55,790 INFO L225 Difference]: With dead ends: 1757 [2021-12-22 16:02:55,790 INFO L226 Difference]: Without dead ends: 1755 [2021-12-22 16:02:55,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:02:55,791 INFO L933 BasicCegarLoop]: 2159 mSDtfsCounter, 4328 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 1998 mSolverCounterSat, 1554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4474 SdHoareTripleChecker+Valid, 3788 SdHoareTripleChecker+Invalid, 3552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1554 IncrementalHoareTripleChecker+Valid, 1998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:55,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4474 Valid, 3788 Invalid, 3552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1554 Valid, 1998 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-22 16:02:55,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2021-12-22 16:02:55,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1755. [2021-12-22 16:02:55,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1755 states, 1256 states have (on average 1.3073248407643312) internal successors, (1642), 1299 states have internal predecessors, (1642), 364 states have call successors, (364), 110 states have call predecessors, (364), 109 states have return successors, (362), 355 states have call predecessors, (362), 362 states have call successors, (362) [2021-12-22 16:02:55,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1755 states and 2368 transitions. [2021-12-22 16:02:55,877 INFO L78 Accepts]: Start accepts. Automaton has 1755 states and 2368 transitions. Word has length 67 [2021-12-22 16:02:55,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:55,878 INFO L470 AbstractCegarLoop]: Abstraction has 1755 states and 2368 transitions. [2021-12-22 16:02:55,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-22 16:02:55,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2368 transitions. [2021-12-22 16:02:55,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-12-22 16:02:55,880 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:55,880 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:02:55,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 16:02:55,880 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-22 16:02:55,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:55,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1337662688, now seen corresponding path program 1 times [2021-12-22 16:02:55,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:55,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484271844] [2021-12-22 16:02:55,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:55,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:56,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:56,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:56,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 16:02:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:56,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:02:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:56,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:56,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:56,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 16:02:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:56,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 16:02:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:56,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 16:02:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:56,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 16:02:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:56,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 16:02:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:56,106 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 16:02:56,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:56,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484271844] [2021-12-22 16:02:56,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484271844] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:56,107 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:56,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:56,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773925063] [2021-12-22 16:02:56,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:56,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:56,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:56,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:56,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:56,109 INFO L87 Difference]: Start difference. First operand 1755 states and 2368 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-22 16:02:58,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:02:58,809 INFO L93 Difference]: Finished difference Result 1755 states and 2368 transitions. [2021-12-22 16:02:58,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:02:58,809 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 73 [2021-12-22 16:02:58,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:02:58,816 INFO L225 Difference]: With dead ends: 1755 [2021-12-22 16:02:58,816 INFO L226 Difference]: Without dead ends: 1753 [2021-12-22 16:02:58,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:02:58,817 INFO L933 BasicCegarLoop]: 2157 mSDtfsCounter, 4322 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 1996 mSolverCounterSat, 1554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4467 SdHoareTripleChecker+Valid, 3786 SdHoareTripleChecker+Invalid, 3550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1554 IncrementalHoareTripleChecker+Valid, 1996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-22 16:02:58,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4467 Valid, 3786 Invalid, 3550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1554 Valid, 1996 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-22 16:02:58,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1753 states. [2021-12-22 16:02:58,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1753 to 1753. [2021-12-22 16:02:58,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1753 states, 1255 states have (on average 1.3067729083665338) internal successors, (1640), 1297 states have internal predecessors, (1640), 364 states have call successors, (364), 110 states have call predecessors, (364), 109 states have return successors, (362), 355 states have call predecessors, (362), 362 states have call successors, (362) [2021-12-22 16:02:58,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1753 states and 2366 transitions. [2021-12-22 16:02:58,870 INFO L78 Accepts]: Start accepts. Automaton has 1753 states and 2366 transitions. Word has length 73 [2021-12-22 16:02:58,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:02:58,871 INFO L470 AbstractCegarLoop]: Abstraction has 1753 states and 2366 transitions. [2021-12-22 16:02:58,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-22 16:02:58,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2366 transitions. [2021-12-22 16:02:58,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-12-22 16:02:58,872 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:02:58,872 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:02:58,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 16:02:58,873 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-22 16:02:58,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:02:58,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1058700356, now seen corresponding path program 1 times [2021-12-22 16:02:58,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:02:58,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648712045] [2021-12-22 16:02:58,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:02:58,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:02:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:58,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:02:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:02:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 16:02:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:02:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:02:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:02:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 16:02:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 16:02:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 16:02:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 16:02:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 16:02:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 16:02:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:02:59,094 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 16:02:59,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:02:59,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648712045] [2021-12-22 16:02:59,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648712045] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:02:59,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:02:59,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:02:59,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810294763] [2021-12-22 16:02:59,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:02:59,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:02:59,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:02:59,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:02:59,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:02:59,096 INFO L87 Difference]: Start difference. First operand 1753 states and 2366 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-22 16:03:01,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:03:01,852 INFO L93 Difference]: Finished difference Result 1753 states and 2366 transitions. [2021-12-22 16:03:01,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:03:01,852 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 79 [2021-12-22 16:03:01,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:03:01,859 INFO L225 Difference]: With dead ends: 1753 [2021-12-22 16:03:01,859 INFO L226 Difference]: Without dead ends: 1751 [2021-12-22 16:03:01,860 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:03:01,860 INFO L933 BasicCegarLoop]: 2155 mSDtfsCounter, 4316 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 1994 mSolverCounterSat, 1554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4460 SdHoareTripleChecker+Valid, 3784 SdHoareTripleChecker+Invalid, 3548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1554 IncrementalHoareTripleChecker+Valid, 1994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-22 16:03:01,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4460 Valid, 3784 Invalid, 3548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1554 Valid, 1994 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-22 16:03:01,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2021-12-22 16:03:01,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1751. [2021-12-22 16:03:01,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1751 states, 1254 states have (on average 1.30622009569378) internal successors, (1638), 1295 states have internal predecessors, (1638), 364 states have call successors, (364), 110 states have call predecessors, (364), 109 states have return successors, (362), 355 states have call predecessors, (362), 362 states have call successors, (362) [2021-12-22 16:03:01,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1751 states and 2364 transitions. [2021-12-22 16:03:01,928 INFO L78 Accepts]: Start accepts. Automaton has 1751 states and 2364 transitions. Word has length 79 [2021-12-22 16:03:01,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:03:01,928 INFO L470 AbstractCegarLoop]: Abstraction has 1751 states and 2364 transitions. [2021-12-22 16:03:01,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-22 16:03:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2364 transitions. [2021-12-22 16:03:01,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-22 16:03:01,929 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:03:01,929 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:03:01,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 16:03:01,930 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-22 16:03:01,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:03:01,930 INFO L85 PathProgramCache]: Analyzing trace with hash 175022030, now seen corresponding path program 1 times [2021-12-22 16:03:01,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:03:01,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991794757] [2021-12-22 16:03:01,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:03:01,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:03:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:02,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:03:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:02,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:03:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:02,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 16:03:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:02,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:03:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:02,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:03:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:02,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:03:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:02,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 16:03:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:02,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 16:03:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:02,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 16:03:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:02,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 16:03:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:02,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 16:03:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:02,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 16:03:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:02,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-22 16:03:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:02,102 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 16:03:02,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:03:02,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991794757] [2021-12-22 16:03:02,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991794757] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:03:02,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:03:02,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:03:02,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702573567] [2021-12-22 16:03:02,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:03:02,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:03:02,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:03:02,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:03:02,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:03:02,104 INFO L87 Difference]: Start difference. First operand 1751 states and 2364 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-22 16:03:04,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:03:04,766 INFO L93 Difference]: Finished difference Result 1751 states and 2364 transitions. [2021-12-22 16:03:04,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:03:04,767 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 85 [2021-12-22 16:03:04,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:03:04,773 INFO L225 Difference]: With dead ends: 1751 [2021-12-22 16:03:04,773 INFO L226 Difference]: Without dead ends: 1749 [2021-12-22 16:03:04,774 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:03:04,774 INFO L933 BasicCegarLoop]: 2153 mSDtfsCounter, 4310 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 1992 mSolverCounterSat, 1554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4453 SdHoareTripleChecker+Valid, 3782 SdHoareTripleChecker+Invalid, 3546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1554 IncrementalHoareTripleChecker+Valid, 1992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-22 16:03:04,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4453 Valid, 3782 Invalid, 3546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1554 Valid, 1992 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-22 16:03:04,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1749 states. [2021-12-22 16:03:04,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1749 to 1749. [2021-12-22 16:03:04,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1749 states, 1253 states have (on average 1.3056664006384677) internal successors, (1636), 1293 states have internal predecessors, (1636), 364 states have call successors, (364), 110 states have call predecessors, (364), 109 states have return successors, (362), 355 states have call predecessors, (362), 362 states have call successors, (362) [2021-12-22 16:03:04,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1749 states and 2362 transitions. [2021-12-22 16:03:04,817 INFO L78 Accepts]: Start accepts. Automaton has 1749 states and 2362 transitions. Word has length 85 [2021-12-22 16:03:04,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:03:04,817 INFO L470 AbstractCegarLoop]: Abstraction has 1749 states and 2362 transitions. [2021-12-22 16:03:04,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-22 16:03:04,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2362 transitions. [2021-12-22 16:03:04,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-22 16:03:04,818 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:03:04,818 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:03:04,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 16:03:04,819 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-22 16:03:04,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:03:04,819 INFO L85 PathProgramCache]: Analyzing trace with hash -632206858, now seen corresponding path program 1 times [2021-12-22 16:03:04,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:03:04,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52438594] [2021-12-22 16:03:04,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:03:04,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:03:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:04,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:03:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:04,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:03:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:04,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 16:03:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:04,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:03:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:04,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:03:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:04,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:03:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:04,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 16:03:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:04,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 16:03:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:04,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 16:03:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:04,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 16:03:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:04,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 16:03:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:05,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 16:03:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:05,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-22 16:03:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:05,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-22 16:03:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:05,024 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 16:03:05,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:03:05,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52438594] [2021-12-22 16:03:05,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52438594] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:03:05,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:03:05,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:03:05,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994096918] [2021-12-22 16:03:05,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:03:05,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:03:05,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:03:05,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:03:05,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:03:05,026 INFO L87 Difference]: Start difference. First operand 1749 states and 2362 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-22 16:03:07,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:03:07,747 INFO L93 Difference]: Finished difference Result 1749 states and 2362 transitions. [2021-12-22 16:03:07,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:03:07,748 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 91 [2021-12-22 16:03:07,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:03:07,754 INFO L225 Difference]: With dead ends: 1749 [2021-12-22 16:03:07,754 INFO L226 Difference]: Without dead ends: 1747 [2021-12-22 16:03:07,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:03:07,755 INFO L933 BasicCegarLoop]: 2151 mSDtfsCounter, 4308 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 1986 mSolverCounterSat, 1554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4450 SdHoareTripleChecker+Valid, 3780 SdHoareTripleChecker+Invalid, 3540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1554 IncrementalHoareTripleChecker+Valid, 1986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-22 16:03:07,756 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4450 Valid, 3780 Invalid, 3540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1554 Valid, 1986 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-22 16:03:07,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2021-12-22 16:03:07,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1747. [2021-12-22 16:03:07,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1747 states, 1252 states have (on average 1.305111821086262) internal successors, (1634), 1291 states have internal predecessors, (1634), 364 states have call successors, (364), 110 states have call predecessors, (364), 109 states have return successors, (362), 355 states have call predecessors, (362), 362 states have call successors, (362) [2021-12-22 16:03:07,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2360 transitions. [2021-12-22 16:03:07,800 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2360 transitions. Word has length 91 [2021-12-22 16:03:07,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:03:07,801 INFO L470 AbstractCegarLoop]: Abstraction has 1747 states and 2360 transitions. [2021-12-22 16:03:07,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-22 16:03:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2360 transitions. [2021-12-22 16:03:07,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-22 16:03:07,802 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:03:07,802 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:03:07,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-22 16:03:07,802 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-22 16:03:07,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:03:07,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1960240455, now seen corresponding path program 1 times [2021-12-22 16:03:07,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:03:07,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380283290] [2021-12-22 16:03:07,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:03:07,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:03:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:07,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:03:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:07,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:03:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:07,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 16:03:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:07,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:03:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:07,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:03:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:07,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:03:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:07,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 16:03:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:07,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 16:03:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:07,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 16:03:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:07,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 16:03:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:07,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 16:03:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:07,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 16:03:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:07,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-22 16:03:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:07,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-22 16:03:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:08,001 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 16:03:08,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:03:08,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380283290] [2021-12-22 16:03:08,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380283290] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:03:08,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:03:08,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:03:08,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787587993] [2021-12-22 16:03:08,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:03:08,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:03:08,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:03:08,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:03:08,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:03:08,003 INFO L87 Difference]: Start difference. First operand 1747 states and 2360 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-22 16:03:10,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:03:10,624 INFO L93 Difference]: Finished difference Result 1747 states and 2360 transitions. [2021-12-22 16:03:10,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:03:10,624 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 93 [2021-12-22 16:03:10,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:03:10,631 INFO L225 Difference]: With dead ends: 1747 [2021-12-22 16:03:10,631 INFO L226 Difference]: Without dead ends: 1745 [2021-12-22 16:03:10,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:03:10,632 INFO L933 BasicCegarLoop]: 2149 mSDtfsCounter, 4296 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 1988 mSolverCounterSat, 1554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4438 SdHoareTripleChecker+Valid, 3778 SdHoareTripleChecker+Invalid, 3542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1554 IncrementalHoareTripleChecker+Valid, 1988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-22 16:03:10,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4438 Valid, 3778 Invalid, 3542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1554 Valid, 1988 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-22 16:03:10,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1745 states. [2021-12-22 16:03:10,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1745 to 1745. [2021-12-22 16:03:10,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1745 states, 1251 states have (on average 1.3045563549160673) internal successors, (1632), 1289 states have internal predecessors, (1632), 364 states have call successors, (364), 110 states have call predecessors, (364), 109 states have return successors, (362), 355 states have call predecessors, (362), 362 states have call successors, (362) [2021-12-22 16:03:10,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2358 transitions. [2021-12-22 16:03:10,680 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2358 transitions. Word has length 93 [2021-12-22 16:03:10,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:03:10,680 INFO L470 AbstractCegarLoop]: Abstraction has 1745 states and 2358 transitions. [2021-12-22 16:03:10,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-22 16:03:10,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2358 transitions. [2021-12-22 16:03:10,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-22 16:03:10,681 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:03:10,681 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:03:10,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-22 16:03:10,682 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-22 16:03:10,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:03:10,682 INFO L85 PathProgramCache]: Analyzing trace with hash -808142150, now seen corresponding path program 1 times [2021-12-22 16:03:10,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:03:10,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288298037] [2021-12-22 16:03:10,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:03:10,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:03:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:10,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:03:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:10,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:03:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:10,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 16:03:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:10,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:03:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:10,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:03:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:10,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:03:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:10,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 16:03:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:10,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 16:03:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:10,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 16:03:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:10,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 16:03:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:10,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 16:03:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:10,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 16:03:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:10,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-22 16:03:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:10,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-22 16:03:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:10,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-22 16:03:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:10,894 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 16:03:10,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:03:10,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288298037] [2021-12-22 16:03:10,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288298037] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:03:10,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:03:10,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:03:10,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857813926] [2021-12-22 16:03:10,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:03:10,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:03:10,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:03:10,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:03:10,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:03:10,896 INFO L87 Difference]: Start difference. First operand 1745 states and 2358 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-22 16:03:16,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:03:16,946 INFO L93 Difference]: Finished difference Result 3403 states and 4627 transitions. [2021-12-22 16:03:16,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 16:03:16,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 99 [2021-12-22 16:03:16,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:03:16,959 INFO L225 Difference]: With dead ends: 3403 [2021-12-22 16:03:16,960 INFO L226 Difference]: Without dead ends: 3401 [2021-12-22 16:03:16,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-22 16:03:16,962 INFO L933 BasicCegarLoop]: 3908 mSDtfsCounter, 4632 mSDsluCounter, 3698 mSDsCounter, 0 mSdLazyCounter, 5206 mSolverCounterSat, 2162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4758 SdHoareTripleChecker+Valid, 7606 SdHoareTripleChecker+Invalid, 7368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2162 IncrementalHoareTripleChecker+Valid, 5206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-12-22 16:03:16,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4758 Valid, 7606 Invalid, 7368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2162 Valid, 5206 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2021-12-22 16:03:16,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3401 states. [2021-12-22 16:03:17,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3401 to 3356. [2021-12-22 16:03:17,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3356 states, 2439 states have (on average 1.3107831078310783) internal successors, (3197), 2495 states have internal predecessors, (3197), 680 states have call successors, (680), 217 states have call predecessors, (680), 216 states have return successors, (722), 663 states have call predecessors, (722), 678 states have call successors, (722) [2021-12-22 16:03:17,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3356 states to 3356 states and 4599 transitions. [2021-12-22 16:03:17,099 INFO L78 Accepts]: Start accepts. Automaton has 3356 states and 4599 transitions. Word has length 99 [2021-12-22 16:03:17,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:03:17,100 INFO L470 AbstractCegarLoop]: Abstraction has 3356 states and 4599 transitions. [2021-12-22 16:03:17,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-22 16:03:17,101 INFO L276 IsEmpty]: Start isEmpty. Operand 3356 states and 4599 transitions. [2021-12-22 16:03:17,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-12-22 16:03:17,104 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:03:17,104 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:03:17,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-22 16:03:17,105 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-22 16:03:17,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:03:17,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1725525311, now seen corresponding path program 1 times [2021-12-22 16:03:17,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:03:17,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329027905] [2021-12-22 16:03:17,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:03:17,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:03:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:17,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:03:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:17,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:03:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:17,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 16:03:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:17,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:03:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:17,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:03:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:17,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:03:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:17,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 16:03:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:17,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 16:03:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:17,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 16:03:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:17,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 16:03:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:17,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 16:03:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:17,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 16:03:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:17,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-22 16:03:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:17,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-22 16:03:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:17,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-22 16:03:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:17,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 16:03:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:17,316 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 16:03:17,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:03:17,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329027905] [2021-12-22 16:03:17,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329027905] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:03:17,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:03:17,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:03:17,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944324062] [2021-12-22 16:03:17,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:03:17,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:03:17,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:03:17,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:03:17,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:03:17,318 INFO L87 Difference]: Start difference. First operand 3356 states and 4599 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-22 16:03:20,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:03:20,223 INFO L93 Difference]: Finished difference Result 3356 states and 4599 transitions. [2021-12-22 16:03:20,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:03:20,224 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 105 [2021-12-22 16:03:20,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:03:20,237 INFO L225 Difference]: With dead ends: 3356 [2021-12-22 16:03:20,237 INFO L226 Difference]: Without dead ends: 3354 [2021-12-22 16:03:20,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:03:20,240 INFO L933 BasicCegarLoop]: 2147 mSDtfsCounter, 4292 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 1986 mSolverCounterSat, 1554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4432 SdHoareTripleChecker+Valid, 3776 SdHoareTripleChecker+Invalid, 3540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1554 IncrementalHoareTripleChecker+Valid, 1986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-22 16:03:20,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4432 Valid, 3776 Invalid, 3540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1554 Valid, 1986 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-22 16:03:20,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3354 states. [2021-12-22 16:03:20,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3354 to 3354. [2021-12-22 16:03:20,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3354 states, 2438 states have (on average 1.310090237899918) internal successors, (3194), 2493 states have internal predecessors, (3194), 680 states have call successors, (680), 217 states have call predecessors, (680), 216 states have return successors, (722), 663 states have call predecessors, (722), 678 states have call successors, (722) [2021-12-22 16:03:20,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3354 states to 3354 states and 4596 transitions. [2021-12-22 16:03:20,357 INFO L78 Accepts]: Start accepts. Automaton has 3354 states and 4596 transitions. Word has length 105 [2021-12-22 16:03:20,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:03:20,358 INFO L470 AbstractCegarLoop]: Abstraction has 3354 states and 4596 transitions. [2021-12-22 16:03:20,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-22 16:03:20,358 INFO L276 IsEmpty]: Start isEmpty. Operand 3354 states and 4596 transitions. [2021-12-22 16:03:20,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-22 16:03:20,359 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:03:20,359 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:03:20,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-22 16:03:20,359 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-22 16:03:20,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:03:20,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1739916627, now seen corresponding path program 1 times [2021-12-22 16:03:20,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:03:20,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684587859] [2021-12-22 16:03:20,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:03:20,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:03:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:20,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:03:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:20,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:03:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:20,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 16:03:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:20,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:03:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:20,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:03:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:20,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:03:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:20,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 16:03:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:20,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 16:03:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:20,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 16:03:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:20,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 16:03:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:20,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 16:03:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:20,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 16:03:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:20,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-22 16:03:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:20,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-22 16:03:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:20,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-22 16:03:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:20,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 16:03:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:20,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-22 16:03:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 16:03:20,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:03:20,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684587859] [2021-12-22 16:03:20,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684587859] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:03:20,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:03:20,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:03:20,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728177611] [2021-12-22 16:03:20,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:03:20,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:03:20,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:03:20,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:03:20,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:03:20,590 INFO L87 Difference]: Start difference. First operand 3354 states and 4596 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-22 16:03:23,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:03:23,652 INFO L93 Difference]: Finished difference Result 3354 states and 4596 transitions. [2021-12-22 16:03:23,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:03:23,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 111 [2021-12-22 16:03:23,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:03:23,666 INFO L225 Difference]: With dead ends: 3354 [2021-12-22 16:03:23,666 INFO L226 Difference]: Without dead ends: 3352 [2021-12-22 16:03:23,669 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:03:23,669 INFO L933 BasicCegarLoop]: 2145 mSDtfsCounter, 4286 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 1984 mSolverCounterSat, 1554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4425 SdHoareTripleChecker+Valid, 3774 SdHoareTripleChecker+Invalid, 3538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1554 IncrementalHoareTripleChecker+Valid, 1984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-22 16:03:23,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4425 Valid, 3774 Invalid, 3538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1554 Valid, 1984 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-22 16:03:23,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3352 states. [2021-12-22 16:03:23,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3352 to 3352. [2021-12-22 16:03:23,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3352 states, 2437 states have (on average 1.309396799343455) internal successors, (3191), 2491 states have internal predecessors, (3191), 680 states have call successors, (680), 217 states have call predecessors, (680), 216 states have return successors, (722), 663 states have call predecessors, (722), 678 states have call successors, (722) [2021-12-22 16:03:23,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3352 states to 3352 states and 4593 transitions. [2021-12-22 16:03:23,791 INFO L78 Accepts]: Start accepts. Automaton has 3352 states and 4593 transitions. Word has length 111 [2021-12-22 16:03:23,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:03:23,792 INFO L470 AbstractCegarLoop]: Abstraction has 3352 states and 4593 transitions. [2021-12-22 16:03:23,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-22 16:03:23,792 INFO L276 IsEmpty]: Start isEmpty. Operand 3352 states and 4593 transitions. [2021-12-22 16:03:23,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-12-22 16:03:23,793 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:03:23,793 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:03:23,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-22 16:03:23,794 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-22 16:03:23,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:03:23,794 INFO L85 PathProgramCache]: Analyzing trace with hash -2131978349, now seen corresponding path program 1 times [2021-12-22 16:03:23,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:03:23,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750691033] [2021-12-22 16:03:23,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:03:23,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:03:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:23,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:03:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:23,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:03:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:23,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 16:03:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:23,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:03:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:23,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:03:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:23,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:03:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:23,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 16:03:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:23,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 16:03:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:23,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 16:03:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:23,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 16:03:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:23,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 16:03:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:23,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 16:03:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:23,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-22 16:03:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:23,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-22 16:03:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:23,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-22 16:03:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:24,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 16:03:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:24,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-22 16:03:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:24,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-22 16:03:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:24,025 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 16:03:24,026 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:03:24,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750691033] [2021-12-22 16:03:24,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750691033] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:03:24,026 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:03:24,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:03:24,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146427567] [2021-12-22 16:03:24,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:03:24,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:03:24,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:03:24,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:03:24,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:03:24,028 INFO L87 Difference]: Start difference. First operand 3352 states and 4593 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 16:03:27,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:03:27,136 INFO L93 Difference]: Finished difference Result 3352 states and 4593 transitions. [2021-12-22 16:03:27,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:03:27,136 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 117 [2021-12-22 16:03:27,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:03:27,151 INFO L225 Difference]: With dead ends: 3352 [2021-12-22 16:03:27,151 INFO L226 Difference]: Without dead ends: 3350 [2021-12-22 16:03:27,154 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:03:27,154 INFO L933 BasicCegarLoop]: 2143 mSDtfsCounter, 4280 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 1982 mSolverCounterSat, 1554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4418 SdHoareTripleChecker+Valid, 3772 SdHoareTripleChecker+Invalid, 3536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1554 IncrementalHoareTripleChecker+Valid, 1982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-22 16:03:27,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4418 Valid, 3772 Invalid, 3536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1554 Valid, 1982 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-22 16:03:27,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3350 states. [2021-12-22 16:03:27,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3350 to 3350. [2021-12-22 16:03:27,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3350 states, 2436 states have (on average 1.3087027914614122) internal successors, (3188), 2489 states have internal predecessors, (3188), 680 states have call successors, (680), 217 states have call predecessors, (680), 216 states have return successors, (722), 663 states have call predecessors, (722), 678 states have call successors, (722) [2021-12-22 16:03:27,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3350 states to 3350 states and 4590 transitions. [2021-12-22 16:03:27,276 INFO L78 Accepts]: Start accepts. Automaton has 3350 states and 4590 transitions. Word has length 117 [2021-12-22 16:03:27,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:03:27,278 INFO L470 AbstractCegarLoop]: Abstraction has 3350 states and 4590 transitions. [2021-12-22 16:03:27,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 16:03:27,279 INFO L276 IsEmpty]: Start isEmpty. Operand 3350 states and 4590 transitions. [2021-12-22 16:03:27,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-12-22 16:03:27,280 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:03:27,280 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:03:27,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-22 16:03:27,280 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-22 16:03:27,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:03:27,281 INFO L85 PathProgramCache]: Analyzing trace with hash -507420234, now seen corresponding path program 1 times [2021-12-22 16:03:27,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:03:27,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682765835] [2021-12-22 16:03:27,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:03:27,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:03:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:27,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:03:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:27,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:03:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:27,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 16:03:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:27,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:03:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:27,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:03:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:27,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:03:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:27,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 16:03:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:27,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 16:03:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:27,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 16:03:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:27,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 16:03:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:27,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 16:03:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:27,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 16:03:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:27,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-22 16:03:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:27,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-22 16:03:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:27,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-22 16:03:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:27,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 16:03:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:27,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-22 16:03:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:27,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-22 16:03:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:27,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 16:03:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:27,544 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 16:03:27,544 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:03:27,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682765835] [2021-12-22 16:03:27,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682765835] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:03:27,545 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:03:27,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:03:27,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334039652] [2021-12-22 16:03:27,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:03:27,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:03:27,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:03:27,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:03:27,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:03:27,547 INFO L87 Difference]: Start difference. First operand 3350 states and 4590 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-22 16:03:30,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 16:03:30,621 INFO L93 Difference]: Finished difference Result 3350 states and 4590 transitions. [2021-12-22 16:03:30,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 16:03:30,622 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 123 [2021-12-22 16:03:30,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 16:03:30,633 INFO L225 Difference]: With dead ends: 3350 [2021-12-22 16:03:30,633 INFO L226 Difference]: Without dead ends: 3348 [2021-12-22 16:03:30,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 16:03:30,636 INFO L933 BasicCegarLoop]: 2141 mSDtfsCounter, 4274 mSDsluCounter, 1629 mSDsCounter, 0 mSdLazyCounter, 1980 mSolverCounterSat, 1554 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4411 SdHoareTripleChecker+Valid, 3770 SdHoareTripleChecker+Invalid, 3534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1554 IncrementalHoareTripleChecker+Valid, 1980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-22 16:03:30,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4411 Valid, 3770 Invalid, 3534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1554 Valid, 1980 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-22 16:03:30,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3348 states. [2021-12-22 16:03:30,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3348 to 3348. [2021-12-22 16:03:30,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3348 states, 2435 states have (on average 1.3080082135523614) internal successors, (3185), 2487 states have internal predecessors, (3185), 680 states have call successors, (680), 217 states have call predecessors, (680), 216 states have return successors, (722), 663 states have call predecessors, (722), 678 states have call successors, (722) [2021-12-22 16:03:30,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3348 states to 3348 states and 4587 transitions. [2021-12-22 16:03:30,785 INFO L78 Accepts]: Start accepts. Automaton has 3348 states and 4587 transitions. Word has length 123 [2021-12-22 16:03:30,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 16:03:30,785 INFO L470 AbstractCegarLoop]: Abstraction has 3348 states and 4587 transitions. [2021-12-22 16:03:30,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-22 16:03:30,786 INFO L276 IsEmpty]: Start isEmpty. Operand 3348 states and 4587 transitions. [2021-12-22 16:03:30,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-12-22 16:03:30,787 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 16:03:30,787 INFO L514 BasicCegarLoop]: 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] [2021-12-22 16:03:30,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-22 16:03:30,787 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-22 16:03:30,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 16:03:30,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1324513649, now seen corresponding path program 1 times [2021-12-22 16:03:30,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 16:03:30,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164694641] [2021-12-22 16:03:30,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 16:03:30,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 16:03:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:30,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 16:03:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:30,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 16:03:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:30,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-22 16:03:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:30,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 16:03:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:30,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 16:03:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:30,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 16:03:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:30,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 16:03:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:30,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 16:03:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:30,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 16:03:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:30,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 16:03:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:30,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 16:03:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:30,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 16:03:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:30,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-22 16:03:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:31,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-22 16:03:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:31,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-22 16:03:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:31,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 16:03:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:31,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2021-12-22 16:03:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:31,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-22 16:03:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:31,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 16:03:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:31,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-22 16:03:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 16:03:31,069 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-22 16:03:31,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 16:03:31,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164694641] [2021-12-22 16:03:31,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164694641] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 16:03:31,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 16:03:31,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 16:03:31,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275980781] [2021-12-22 16:03:31,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 16:03:31,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 16:03:31,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 16:03:31,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 16:03:31,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 16:03:31,071 INFO L87 Difference]: Start difference. First operand 3348 states and 4587 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)