./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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---sound--drivers--vx--snd-vx-lib.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 f240ffa8bbe57321940b5df51685e00d551a6f85a6476ff38145ce15f731fd7b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 05:25:47,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:25:47,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:25:47,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:25:47,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:25:47,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:25:47,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:25:47,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:25:47,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:25:47,123 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:25:47,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:25:47,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:25:47,125 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:25:47,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:25:47,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:25:47,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:25:47,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:25:47,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:25:47,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:25:47,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:25:47,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:25:47,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:25:47,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:25:47,138 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:25:47,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:25:47,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:25:47,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:25:47,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:25:47,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:25:47,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:25:47,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:25:47,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:25:47,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:25:47,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:25:47,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:25:47,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:25:47,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:25:47,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:25:47,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:25:47,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:25:47,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:25:47,147 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 05:25:47,160 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:25:47,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:25:47,161 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:25:47,161 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:25:47,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:25:47,162 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:25:47,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:25:47,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:25:47,163 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:25:47,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:25:47,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:25:47,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:25:47,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 05:25:47,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:25:47,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 05:25:47,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 05:25:47,164 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:25:47,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 05:25:47,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:25:47,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:25:47,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:25:47,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:25:47,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:25:47,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:25:47,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 05:25:47,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 05:25:47,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 05:25:47,173 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 05:25:47,174 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 05:25:47,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 05:25:47,174 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f240ffa8bbe57321940b5df51685e00d551a6f85a6476ff38145ce15f731fd7b [2021-12-28 05:25:47,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:25:47,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:25:47,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:25:47,464 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:25:47,465 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:25:47,466 INFO L432 ainManager$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---sound--drivers--vx--snd-vx-lib.ko.cil.i [2021-12-28 05:25:47,528 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95b1aadbb/6119b7a8047747399fab1f6d29a5c028/FLAG8f354cbef [2021-12-28 05:25:48,233 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:25:48,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i [2021-12-28 05:25:48,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95b1aadbb/6119b7a8047747399fab1f6d29a5c028/FLAG8f354cbef [2021-12-28 05:25:48,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95b1aadbb/6119b7a8047747399fab1f6d29a5c028 [2021-12-28 05:25:48,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:25:48,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:25:48,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:25:48,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:25:48,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:25:48,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:25:48" (1/1) ... [2021-12-28 05:25:48,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba30758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:25:48, skipping insertion in model container [2021-12-28 05:25:48,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:25:48" (1/1) ... [2021-12-28 05:25:48,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:25:48,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:25:50,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[357609,357622] [2021-12-28 05:25:50,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[357754,357767] [2021-12-28 05:25:50,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[357900,357913] [2021-12-28 05:25:50,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358065,358078] [2021-12-28 05:25:50,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358223,358236] [2021-12-28 05:25:50,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358381,358394] [2021-12-28 05:25:50,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358539,358552] [2021-12-28 05:25:50,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358699,358712] [2021-12-28 05:25:50,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358858,358871] [2021-12-28 05:25:50,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358997,359010] [2021-12-28 05:25:50,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359139,359152] [2021-12-28 05:25:50,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359288,359301] [2021-12-28 05:25:50,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359427,359440] [2021-12-28 05:25:50,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359582,359595] [2021-12-28 05:25:50,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359742,359755] [2021-12-28 05:25:50,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359893,359906] [2021-12-28 05:25:50,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360044,360057] [2021-12-28 05:25:50,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360196,360209] [2021-12-28 05:25:50,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360345,360358] [2021-12-28 05:25:50,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360493,360506] [2021-12-28 05:25:50,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360650,360663] [2021-12-28 05:25:50,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360799,360812] [2021-12-28 05:25:50,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360955,360968] [2021-12-28 05:25:50,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361108,361121] [2021-12-28 05:25:50,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361254,361267] [2021-12-28 05:25:50,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361397,361410] [2021-12-28 05:25:50,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361549,361562] [2021-12-28 05:25:50,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361695,361708] [2021-12-28 05:25:50,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361840,361853] [2021-12-28 05:25:50,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361994,362007] [2021-12-28 05:25:50,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362145,362158] [2021-12-28 05:25:50,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362300,362313] [2021-12-28 05:25:50,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362452,362465] [2021-12-28 05:25:50,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362607,362620] [2021-12-28 05:25:50,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362771,362784] [2021-12-28 05:25:50,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362927,362940] [2021-12-28 05:25:50,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363091,363104] [2021-12-28 05:25:50,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363233,363246] [2021-12-28 05:25:50,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363391,363404] [2021-12-28 05:25:50,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363558,363571] [2021-12-28 05:25:50,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363717,363730] [2021-12-28 05:25:50,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363876,363889] [2021-12-28 05:25:50,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364025,364038] [2021-12-28 05:25:50,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364172,364185] [2021-12-28 05:25:50,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364311,364324] [2021-12-28 05:25:50,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364474,364487] [2021-12-28 05:25:50,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364640,364653] [2021-12-28 05:25:50,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364804,364817] [2021-12-28 05:25:50,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364969,364982] [2021-12-28 05:25:50,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365134,365147] [2021-12-28 05:25:50,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365300,365313] [2021-12-28 05:25:50,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365465,365478] [2021-12-28 05:25:50,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365632,365645] [2021-12-28 05:25:50,997 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365792,365805] [2021-12-28 05:25:50,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365954,365967] [2021-12-28 05:25:50,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366113,366126] [2021-12-28 05:25:50,998 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366259,366272] [2021-12-28 05:25:50,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366402,366415] [2021-12-28 05:25:50,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366546,366559] [2021-12-28 05:25:51,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366689,366702] [2021-12-28 05:25:51,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366833,366846] [2021-12-28 05:25:51,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366974,366987] [2021-12-28 05:25:51,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367112,367125] [2021-12-28 05:25:51,001 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367270,367283] [2021-12-28 05:25:51,001 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367429,367442] [2021-12-28 05:25:51,001 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367585,367598] [2021-12-28 05:25:51,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367734,367747] [2021-12-28 05:25:51,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367886,367899] [2021-12-28 05:25:51,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368037,368050] [2021-12-28 05:25:51,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368186,368199] [2021-12-28 05:25:51,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368338,368351] [2021-12-28 05:25:51,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368486,368499] [2021-12-28 05:25:51,003 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368639,368652] [2021-12-28 05:25:51,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368790,368803] [2021-12-28 05:25:51,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368940,368953] [2021-12-28 05:25:51,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369087,369100] [2021-12-28 05:25:51,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369238,369251] [2021-12-28 05:25:51,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369389,369402] [2021-12-28 05:25:51,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369537,369550] [2021-12-28 05:25:51,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369703,369716] [2021-12-28 05:25:51,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369872,369885] [2021-12-28 05:25:51,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370039,370052] [2021-12-28 05:25:51,006 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370207,370220] [2021-12-28 05:25:51,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370357,370370] [2021-12-28 05:25:51,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370504,370517] [2021-12-28 05:25:51,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370665,370678] [2021-12-28 05:25:51,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370835,370848] [2021-12-28 05:25:51,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370997,371010] [2021-12-28 05:25:51,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:25:51,055 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 05:25:51,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[357609,357622] [2021-12-28 05:25:51,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[357754,357767] [2021-12-28 05:25:51,443 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[357900,357913] [2021-12-28 05:25:51,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358065,358078] [2021-12-28 05:25:51,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358223,358236] [2021-12-28 05:25:51,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358381,358394] [2021-12-28 05:25:51,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358539,358552] [2021-12-28 05:25:51,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358699,358712] [2021-12-28 05:25:51,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358858,358871] [2021-12-28 05:25:51,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358997,359010] [2021-12-28 05:25:51,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359139,359152] [2021-12-28 05:25:51,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359288,359301] [2021-12-28 05:25:51,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359427,359440] [2021-12-28 05:25:51,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359582,359595] [2021-12-28 05:25:51,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359742,359755] [2021-12-28 05:25:51,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359893,359906] [2021-12-28 05:25:51,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360044,360057] [2021-12-28 05:25:51,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360196,360209] [2021-12-28 05:25:51,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360345,360358] [2021-12-28 05:25:51,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360493,360506] [2021-12-28 05:25:51,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360650,360663] [2021-12-28 05:25:51,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360799,360812] [2021-12-28 05:25:51,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360955,360968] [2021-12-28 05:25:51,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361108,361121] [2021-12-28 05:25:51,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361254,361267] [2021-12-28 05:25:51,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361397,361410] [2021-12-28 05:25:51,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361549,361562] [2021-12-28 05:25:51,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361695,361708] [2021-12-28 05:25:51,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361840,361853] [2021-12-28 05:25:51,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361994,362007] [2021-12-28 05:25:51,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362145,362158] [2021-12-28 05:25:51,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362300,362313] [2021-12-28 05:25:51,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362452,362465] [2021-12-28 05:25:51,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362607,362620] [2021-12-28 05:25:51,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362771,362784] [2021-12-28 05:25:51,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362927,362940] [2021-12-28 05:25:51,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363091,363104] [2021-12-28 05:25:51,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363233,363246] [2021-12-28 05:25:51,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363391,363404] [2021-12-28 05:25:51,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363558,363571] [2021-12-28 05:25:51,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363717,363730] [2021-12-28 05:25:51,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363876,363889] [2021-12-28 05:25:51,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364025,364038] [2021-12-28 05:25:51,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364172,364185] [2021-12-28 05:25:51,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364311,364324] [2021-12-28 05:25:51,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364474,364487] [2021-12-28 05:25:51,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364640,364653] [2021-12-28 05:25:51,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364804,364817] [2021-12-28 05:25:51,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364969,364982] [2021-12-28 05:25:51,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365134,365147] [2021-12-28 05:25:51,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365300,365313] [2021-12-28 05:25:51,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365465,365478] [2021-12-28 05:25:51,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365632,365645] [2021-12-28 05:25:51,495 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365792,365805] [2021-12-28 05:25:51,496 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365954,365967] [2021-12-28 05:25:51,496 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366113,366126] [2021-12-28 05:25:51,496 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366259,366272] [2021-12-28 05:25:51,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366402,366415] [2021-12-28 05:25:51,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366546,366559] [2021-12-28 05:25:51,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366689,366702] [2021-12-28 05:25:51,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366833,366846] [2021-12-28 05:25:51,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366974,366987] [2021-12-28 05:25:51,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367112,367125] [2021-12-28 05:25:51,499 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367270,367283] [2021-12-28 05:25:51,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367429,367442] [2021-12-28 05:25:51,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367585,367598] [2021-12-28 05:25:51,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367734,367747] [2021-12-28 05:25:51,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367886,367899] [2021-12-28 05:25:51,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368037,368050] [2021-12-28 05:25:51,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368186,368199] [2021-12-28 05:25:51,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368338,368351] [2021-12-28 05:25:51,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368486,368499] [2021-12-28 05:25:51,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368639,368652] [2021-12-28 05:25:51,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368790,368803] [2021-12-28 05:25:51,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368940,368953] [2021-12-28 05:25:51,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369087,369100] [2021-12-28 05:25:51,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369238,369251] [2021-12-28 05:25:51,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369389,369402] [2021-12-28 05:25:51,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369537,369550] [2021-12-28 05:25:51,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369703,369716] [2021-12-28 05:25:51,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369872,369885] [2021-12-28 05:25:51,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370039,370052] [2021-12-28 05:25:51,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370207,370220] [2021-12-28 05:25:51,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370357,370370] [2021-12-28 05:25:51,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370504,370517] [2021-12-28 05:25:51,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370665,370678] [2021-12-28 05:25:51,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370835,370848] [2021-12-28 05:25:51,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370997,371010] [2021-12-28 05:25:51,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:25:51,680 INFO L208 MainTranslator]: Completed translation [2021-12-28 05:25:51,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:25:51 WrapperNode [2021-12-28 05:25:51,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:25:51,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 05:25:51,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 05:25:51,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 05:25:51,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:25:51" (1/1) ... [2021-12-28 05:25:51,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:25:51" (1/1) ... [2021-12-28 05:25:51,855 INFO L137 Inliner]: procedures = 637, calls = 3767, calls flagged for inlining = 247, calls inlined = 94, statements flattened = 2733 [2021-12-28 05:25:51,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 05:25:51,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 05:25:51,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 05:25:51,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 05:25:51,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:25:51" (1/1) ... [2021-12-28 05:25:51,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:25:51" (1/1) ... [2021-12-28 05:25:51,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:25:51" (1/1) ... [2021-12-28 05:25:51,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:25:51" (1/1) ... [2021-12-28 05:25:51,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:25:51" (1/1) ... [2021-12-28 05:25:52,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:25:51" (1/1) ... [2021-12-28 05:25:52,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:25:51" (1/1) ... [2021-12-28 05:25:52,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 05:25:52,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 05:25:52,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 05:25:52,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 05:25:52,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:25:51" (1/1) ... [2021-12-28 05:25:52,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:25:52,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 05:25:52,073 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) [2021-12-28 05:25:52,089 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 [2021-12-28 05:25:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-28 05:25:52,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-28 05:25:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 05:25:52,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 05:25:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 05:25:52,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 05:25:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-28 05:25:52,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-28 05:25:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-28 05:25:52,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-28 05:25:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pcm_capture_close [2021-12-28 05:25:52,103 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pcm_capture_close [2021-12-28 05:25:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-28 05:25:52,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-28 05:25:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-28 05:25:52,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-28 05:25:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure vx_alloc_pipe [2021-12-28 05:25:52,103 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_alloc_pipe [2021-12-28 05:25:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-28 05:25:52,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-28 05:25:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure snd_vx_outl [2021-12-28 05:25:52,105 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_vx_outl [2021-12-28 05:25:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 05:25:52,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 05:25:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure vx_set_differed_time [2021-12-28 05:25:52,105 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_set_differed_time [2021-12-28 05:25:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 05:25:52,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 05:25:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-28 05:25:52,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-28 05:25:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure snd_vx_outb [2021-12-28 05:25:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_vx_outb [2021-12-28 05:25:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure vx_send_msg [2021-12-28 05:25:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_send_msg [2021-12-28 05:25:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 05:25:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_get_vmalloc_page [2021-12-28 05:25:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_get_vmalloc_page [2021-12-28 05:25:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-28 05:25:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-28 05:25:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure vx_send_irq_dsp [2021-12-28 05:25:52,106 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_send_irq_dsp [2021-12-28 05:25:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure vx_set_pipe_cmd_params [2021-12-28 05:25:52,107 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_set_pipe_cmd_params [2021-12-28 05:25:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_vx_core [2021-12-28 05:25:52,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_vx_core [2021-12-28 05:25:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure vx_adjust_audio_level [2021-12-28 05:25:52,107 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_adjust_audio_level [2021-12-28 05:25:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure vx_change_clock_source [2021-12-28 05:25:52,107 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_change_clock_source [2021-12-28 05:25:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-28 05:25:52,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-28 05:25:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-28 05:25:52,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-28 05:25:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 05:25:52,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 05:25:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-28 05:25:52,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-28 05:25:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 05:25:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-28 05:25:52,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-28 05:25:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure vx_transfer_end [2021-12-28 05:25:52,109 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_transfer_end [2021-12-28 05:25:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-28 05:25:52,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-28 05:25:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-28 05:25:52,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-28 05:25:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 05:25:52,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 05:25:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure vx_read_status [2021-12-28 05:25:52,110 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_read_status [2021-12-28 05:25:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 05:25:52,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 05:25:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure vx_sync_audio_source [2021-12-28 05:25:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_sync_audio_source [2021-12-28 05:25:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-28 05:25:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-28 05:25:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-28 05:25:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-28 05:25:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure vx_stop_stream [2021-12-28 05:25:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_stop_stream [2021-12-28 05:25:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 05:25:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure vx_conf_pipe [2021-12-28 05:25:52,114 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_conf_pipe [2021-12-28 05:25:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-28 05:25:52,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-12-28 05:25:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 05:25:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 05:25:52,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 05:25:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure vx_query_hbuffer_size [2021-12-28 05:25:52,115 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_query_hbuffer_size [2021-12-28 05:25:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 05:25:52,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 05:25:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 05:25:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pipe_can_start [2021-12-28 05:25:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pipe_can_start [2021-12-28 05:25:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pcm_capture_open [2021-12-28 05:25:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pcm_capture_open [2021-12-28 05:25:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure vx_set_codec_reg [2021-12-28 05:25:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_set_codec_reg [2021-12-28 05:25:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure vx_set_clock [2021-12-28 05:25:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_set_clock [2021-12-28 05:25:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure vx_notify_end_of_buffer [2021-12-28 05:25:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_notify_end_of_buffer [2021-12-28 05:25:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure vx_set_monitor_level [2021-12-28 05:25:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_set_monitor_level [2021-12-28 05:25:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 05:25:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 05:25:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-28 05:25:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-28 05:25:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure vx_stop_pipe [2021-12-28 05:25:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_stop_pipe [2021-12-28 05:25:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 05:25:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 05:25:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure vx_send_irqa [2021-12-28 05:25:52,118 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_send_irqa [2021-12-28 05:25:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 05:25:52,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 05:25:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure vx_free_pipe [2021-12-28 05:25:52,118 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_free_pipe [2021-12-28 05:25:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure vx_set_stream_cmd_params [2021-12-28 05:25:52,118 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_set_stream_cmd_params [2021-12-28 05:25:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_hw_constraint_step [2021-12-28 05:25:52,119 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_hw_constraint_step [2021-12-28 05:25:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pcm_hw_params [2021-12-28 05:25:52,119 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pcm_hw_params [2021-12-28 05:25:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_vx_core [2021-12-28 05:25:52,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_vx_core [2021-12-28 05:25:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pcm_playback_open [2021-12-28 05:25:52,119 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pcm_playback_open [2021-12-28 05:25:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 05:25:52,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 05:25:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure vx_toggle_dac_mute [2021-12-28 05:25:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_toggle_dac_mute [2021-12-28 05:25:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-28 05:25:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-28 05:25:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure vx_reset_chk [2021-12-28 05:25:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_reset_chk [2021-12-28 05:25:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-28 05:25:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-28 05:25:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 05:25:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-28 05:25:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-28 05:25:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure vx_start_stream [2021-12-28 05:25:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_start_stream [2021-12-28 05:25:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure vx_send_rih_nolock [2021-12-28 05:25:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_send_rih_nolock [2021-12-28 05:25:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 05:25:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 05:25:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 05:25:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 05:25:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-28 05:25:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-28 05:25:52,121 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pcm_trigger [2021-12-28 05:25:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pcm_trigger [2021-12-28 05:25:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 05:25:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 05:25:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure vx_get_pipe_state [2021-12-28 05:25:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_get_pipe_state [2021-12-28 05:25:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 05:25:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 05:25:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pcm_playback_close [2021-12-28 05:25:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pcm_playback_close [2021-12-28 05:25:52,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-28 05:25:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-28 05:25:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-28 05:25:52,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-28 05:25:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-28 05:25:52,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-28 05:25:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure vx_send_rih [2021-12-28 05:25:52,123 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_send_rih [2021-12-28 05:25:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure vx_send_msg_nolock [2021-12-28 05:25:52,123 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_send_msg_nolock [2021-12-28 05:25:52,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-28 05:25:52,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-28 05:25:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 05:25:52,124 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 05:25:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-28 05:25:52,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-28 05:25:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 05:25:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure vx_update_pipe_position [2021-12-28 05:25:52,124 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_update_pipe_position [2021-12-28 05:25:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-28 05:25:52,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-28 05:25:52,124 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pcm_playback_transfer [2021-12-28 05:25:52,124 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pcm_playback_transfer [2021-12-28 05:25:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 05:25:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 05:25:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pcm_prepare [2021-12-28 05:25:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pcm_prepare [2021-12-28 05:25:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pcm_playback_transfer_chunk [2021-12-28 05:25:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pcm_playback_transfer_chunk [2021-12-28 05:25:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-28 05:25:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-28 05:25:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pcm_hw_free [2021-12-28 05:25:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pcm_hw_free [2021-12-28 05:25:52,125 INFO L130 BoogieDeclarations]: Found specification of procedure frames_to_bytes [2021-12-28 05:25:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure frames_to_bytes [2021-12-28 05:25:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure snd_vx_inb [2021-12-28 05:25:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_vx_inb [2021-12-28 05:25:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_ioctl [2021-12-28 05:25:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_ioctl [2021-12-28 05:25:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure snd_vx_check_reg_bit [2021-12-28 05:25:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_vx_check_reg_bit [2021-12-28 05:25:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure vx_toggle_pipe [2021-12-28 05:25:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_toggle_pipe [2021-12-28 05:25:52,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 05:25:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 05:25:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-28 05:25:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-28 05:25:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure vx_set_internal_clock [2021-12-28 05:25:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_set_internal_clock [2021-12-28 05:25:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 05:25:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure vx_init_rmh [2021-12-28 05:25:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_init_rmh [2021-12-28 05:25:52,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-12-28 05:25:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-12-28 05:25:52,635 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 05:25:52,640 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 05:25:52,726 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 05:25:59,430 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 05:25:59,450 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 05:25:59,450 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-28 05:25:59,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:25:59 BoogieIcfgContainer [2021-12-28 05:25:59,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 05:25:59,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 05:25:59,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 05:25:59,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 05:25:59,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:25:48" (1/3) ... [2021-12-28 05:25:59,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293dc601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:25:59, skipping insertion in model container [2021-12-28 05:25:59,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:25:51" (2/3) ... [2021-12-28 05:25:59,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293dc601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:25:59, skipping insertion in model container [2021-12-28 05:25:59,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:25:59" (3/3) ... [2021-12-28 05:25:59,462 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i [2021-12-28 05:25:59,465 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 05:25:59,466 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2021-12-28 05:25:59,515 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 05:25:59,521 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 [2021-12-28 05:25:59,521 INFO L340 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2021-12-28 05:25:59,564 INFO L276 IsEmpty]: Start isEmpty. Operand has 1298 states, 848 states have (on average 1.294811320754717) internal successors, (1098), 892 states have internal predecessors, (1098), 325 states have call successors, (325), 102 states have call predecessors, (325), 101 states have return successors, (321), 320 states have call predecessors, (321), 321 states have call successors, (321) [2021-12-28 05:25:59,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-12-28 05:25:59,570 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:25:59,571 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] [2021-12-28 05:25:59,571 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-12-28 05:25:59,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:25:59,578 INFO L85 PathProgramCache]: Analyzing trace with hash -162993067, now seen corresponding path program 1 times [2021-12-28 05:25:59,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:25:59,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938151989] [2021-12-28 05:25:59,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:25:59,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:25:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:00,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:26:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:00,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:26:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:00,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-28 05:26:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:00,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:26:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:00,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:26:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:26:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:00,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 05:26:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:00,086 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-28 05:26:00,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:26:00,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938151989] [2021-12-28 05:26:00,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938151989] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:26:00,087 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:26:00,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:26:00,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486666364] [2021-12-28 05:26:00,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:26:00,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:26:00,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:26:00,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:26:00,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:26:00,112 INFO L87 Difference]: Start difference. First operand has 1298 states, 848 states have (on average 1.294811320754717) internal successors, (1098), 892 states have internal predecessors, (1098), 325 states have call successors, (325), 102 states have call predecessors, (325), 101 states have return successors, (321), 320 states have call predecessors, (321), 321 states have call successors, (321) 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) [2021-12-28 05:26:02,610 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:26:05,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:26:06,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:26:06,724 INFO L93 Difference]: Finished difference Result 2544 states and 3596 transitions. [2021-12-28 05:26:06,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:26:06,738 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 [2021-12-28 05:26:06,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:26:06,757 INFO L225 Difference]: With dead ends: 2544 [2021-12-28 05:26:06,757 INFO L226 Difference]: Without dead ends: 1275 [2021-12-28 05:26:06,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-28 05:26:06,772 INFO L933 BasicCegarLoop]: 1467 mSDtfsCounter, 2989 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 1887 mSolverCounterSat, 1576 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3069 SdHoareTripleChecker+Valid, 1954 SdHoareTripleChecker+Invalid, 3464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1576 IncrementalHoareTripleChecker+Valid, 1887 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-12-28 05:26:06,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3069 Valid, 1954 Invalid, 3464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1576 Valid, 1887 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2021-12-28 05:26:06,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2021-12-28 05:26:06,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 1275. [2021-12-28 05:26:06,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1275 states, 832 states have (on average 1.2620192307692308) internal successors, (1050), 870 states have internal predecessors, (1050), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2021-12-28 05:26:06,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1686 transitions. [2021-12-28 05:26:06,957 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1686 transitions. Word has length 49 [2021-12-28 05:26:06,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:26:06,958 INFO L470 AbstractCegarLoop]: Abstraction has 1275 states and 1686 transitions. [2021-12-28 05:26:06,958 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) [2021-12-28 05:26:06,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1686 transitions. [2021-12-28 05:26:06,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-28 05:26:06,961 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:26:06,961 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] [2021-12-28 05:26:06,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 05:26:06,961 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-12-28 05:26:06,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:26:06,963 INFO L85 PathProgramCache]: Analyzing trace with hash 469508616, now seen corresponding path program 1 times [2021-12-28 05:26:06,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:26:06,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244876930] [2021-12-28 05:26:06,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:26:06,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:26:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:07,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:26:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:07,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:26:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:07,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-28 05:26:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:07,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:26:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:07,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:26:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:07,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:26:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:07,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 05:26:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:07,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 05:26:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:07,247 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-28 05:26:07,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:26:07,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244876930] [2021-12-28 05:26:07,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244876930] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:26:07,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:26:07,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:26:07,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262102064] [2021-12-28 05:26:07,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:26:07,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:26:07,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:26:07,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:26:07,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:26:07,250 INFO L87 Difference]: Start difference. First operand 1275 states and 1686 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) [2021-12-28 05:26:11,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:26:11,703 INFO L93 Difference]: Finished difference Result 1275 states and 1686 transitions. [2021-12-28 05:26:11,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:26:11,703 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 [2021-12-28 05:26:11,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:26:11,710 INFO L225 Difference]: With dead ends: 1275 [2021-12-28 05:26:11,711 INFO L226 Difference]: Without dead ends: 1273 [2021-12-28 05:26:11,712 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 [2021-12-28 05:26:11,712 INFO L933 BasicCegarLoop]: 1449 mSDtfsCounter, 2957 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1874 mSolverCounterSat, 1568 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3034 SdHoareTripleChecker+Valid, 1920 SdHoareTripleChecker+Invalid, 3442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-28 05:26:11,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3034 Valid, 1920 Invalid, 3442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1874 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-28 05:26:11,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1273 states. [2021-12-28 05:26:11,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1273 to 1273. [2021-12-28 05:26:11,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1273 states, 831 states have (on average 1.2611311672683514) internal successors, (1048), 868 states have internal predecessors, (1048), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2021-12-28 05:26:11,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1273 states and 1684 transitions. [2021-12-28 05:26:11,751 INFO L78 Accepts]: Start accepts. Automaton has 1273 states and 1684 transitions. Word has length 55 [2021-12-28 05:26:11,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:26:11,752 INFO L470 AbstractCegarLoop]: Abstraction has 1273 states and 1684 transitions. [2021-12-28 05:26:11,752 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) [2021-12-28 05:26:11,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1684 transitions. [2021-12-28 05:26:11,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-28 05:26:11,753 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:26:11,754 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] [2021-12-28 05:26:11,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 05:26:11,754 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-12-28 05:26:11,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:26:11,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1474442499, now seen corresponding path program 1 times [2021-12-28 05:26:11,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:26:11,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717887620] [2021-12-28 05:26:11,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:26:11,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:26:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:11,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:26:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:11,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:26:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:11,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-28 05:26:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:11,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:26:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:11,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:26:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:11,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:26:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:11,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 05:26:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:11,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 05:26:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:11,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 05:26:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:12,000 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-28 05:26:12,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:26:12,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717887620] [2021-12-28 05:26:12,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717887620] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:26:12,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:26:12,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:26:12,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085601261] [2021-12-28 05:26:12,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:26:12,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:26:12,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:26:12,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:26:12,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:26:12,003 INFO L87 Difference]: Start difference. First operand 1273 states and 1684 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) [2021-12-28 05:26:16,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:26:17,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:26:17,428 INFO L93 Difference]: Finished difference Result 1273 states and 1684 transitions. [2021-12-28 05:26:17,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:26:17,428 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 [2021-12-28 05:26:17,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:26:17,434 INFO L225 Difference]: With dead ends: 1273 [2021-12-28 05:26:17,434 INFO L226 Difference]: Without dead ends: 1271 [2021-12-28 05:26:17,435 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 [2021-12-28 05:26:17,435 INFO L933 BasicCegarLoop]: 1447 mSDtfsCounter, 2951 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1871 mSolverCounterSat, 1568 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3027 SdHoareTripleChecker+Valid, 1918 SdHoareTripleChecker+Invalid, 3440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1871 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-12-28 05:26:17,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3027 Valid, 1918 Invalid, 3440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1871 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2021-12-28 05:26:17,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2021-12-28 05:26:17,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 1271. [2021-12-28 05:26:17,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1271 states, 830 states have (on average 1.2602409638554217) internal successors, (1046), 866 states have internal predecessors, (1046), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2021-12-28 05:26:17,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 1682 transitions. [2021-12-28 05:26:17,465 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 1682 transitions. Word has length 61 [2021-12-28 05:26:17,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:26:17,466 INFO L470 AbstractCegarLoop]: Abstraction has 1271 states and 1682 transitions. [2021-12-28 05:26:17,466 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) [2021-12-28 05:26:17,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1682 transitions. [2021-12-28 05:26:17,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-12-28 05:26:17,467 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:26:17,467 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] [2021-12-28 05:26:17,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 05:26:17,467 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-12-28 05:26:17,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:26:17,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1246115291, now seen corresponding path program 1 times [2021-12-28 05:26:17,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:26:17,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113824703] [2021-12-28 05:26:17,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:26:17,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:26:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:17,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:26:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:17,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:26:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:17,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-28 05:26:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:17,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:26:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:17,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:26:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:17,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:26:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:17,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 05:26:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:17,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 05:26:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:17,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 05:26:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:17,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 05:26:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:17,707 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-28 05:26:17,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:26:17,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113824703] [2021-12-28 05:26:17,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113824703] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:26:17,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:26:17,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:26:17,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237445146] [2021-12-28 05:26:17,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:26:17,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:26:17,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:26:17,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:26:17,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:26:17,709 INFO L87 Difference]: Start difference. First operand 1271 states and 1682 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) [2021-12-28 05:26:22,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:26:23,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:26:23,448 INFO L93 Difference]: Finished difference Result 1271 states and 1682 transitions. [2021-12-28 05:26:23,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:26:23,448 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 [2021-12-28 05:26:23,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:26:23,453 INFO L225 Difference]: With dead ends: 1271 [2021-12-28 05:26:23,454 INFO L226 Difference]: Without dead ends: 1269 [2021-12-28 05:26:23,454 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 [2021-12-28 05:26:23,455 INFO L933 BasicCegarLoop]: 1445 mSDtfsCounter, 2945 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1869 mSolverCounterSat, 1568 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3020 SdHoareTripleChecker+Valid, 1916 SdHoareTripleChecker+Invalid, 3438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1869 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-12-28 05:26:23,455 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3020 Valid, 1916 Invalid, 3438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1869 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2021-12-28 05:26:23,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2021-12-28 05:26:23,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1269. [2021-12-28 05:26:23,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1269 states, 829 states have (on average 1.2593486127864897) internal successors, (1044), 864 states have internal predecessors, (1044), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2021-12-28 05:26:23,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 1680 transitions. [2021-12-28 05:26:23,490 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 1680 transitions. Word has length 67 [2021-12-28 05:26:23,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:26:23,490 INFO L470 AbstractCegarLoop]: Abstraction has 1269 states and 1680 transitions. [2021-12-28 05:26:23,490 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) [2021-12-28 05:26:23,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1680 transitions. [2021-12-28 05:26:23,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-12-28 05:26:23,491 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:26:23,491 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] [2021-12-28 05:26:23,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 05:26:23,492 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-12-28 05:26:23,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:26:23,492 INFO L85 PathProgramCache]: Analyzing trace with hash -636126453, now seen corresponding path program 1 times [2021-12-28 05:26:23,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:26:23,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134067221] [2021-12-28 05:26:23,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:26:23,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:26:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:23,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:26:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:23,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:26:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:23,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-28 05:26:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:23,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:26:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:23,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:26:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:23,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:26:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:23,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 05:26:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:23,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 05:26:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:23,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 05:26:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:23,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 05:26:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:23,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-28 05:26:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:23,735 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-28 05:26:23,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:26:23,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134067221] [2021-12-28 05:26:23,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134067221] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:26:23,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:26:23,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:26:23,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440163110] [2021-12-28 05:26:23,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:26:23,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:26:23,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:26:23,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:26:23,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:26:23,738 INFO L87 Difference]: Start difference. First operand 1269 states and 1680 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) [2021-12-28 05:26:26,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:26:29,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:26:30,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:26:30,009 INFO L93 Difference]: Finished difference Result 1269 states and 1680 transitions. [2021-12-28 05:26:30,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:26:30,010 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 [2021-12-28 05:26:30,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:26:30,015 INFO L225 Difference]: With dead ends: 1269 [2021-12-28 05:26:30,015 INFO L226 Difference]: Without dead ends: 1267 [2021-12-28 05:26:30,016 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 [2021-12-28 05:26:30,016 INFO L933 BasicCegarLoop]: 1443 mSDtfsCounter, 2939 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1867 mSolverCounterSat, 1568 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3013 SdHoareTripleChecker+Valid, 1914 SdHoareTripleChecker+Invalid, 3436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1867 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-12-28 05:26:30,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3013 Valid, 1914 Invalid, 3436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1867 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2021-12-28 05:26:30,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states. [2021-12-28 05:26:30,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 1267. [2021-12-28 05:26:30,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1267 states, 828 states have (on average 1.2584541062801933) internal successors, (1042), 862 states have internal predecessors, (1042), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2021-12-28 05:26:30,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1678 transitions. [2021-12-28 05:26:30,053 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1678 transitions. Word has length 73 [2021-12-28 05:26:30,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:26:30,053 INFO L470 AbstractCegarLoop]: Abstraction has 1267 states and 1678 transitions. [2021-12-28 05:26:30,053 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) [2021-12-28 05:26:30,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1678 transitions. [2021-12-28 05:26:30,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-12-28 05:26:30,054 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:26:30,055 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] [2021-12-28 05:26:30,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 05:26:30,055 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-12-28 05:26:30,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:26:30,055 INFO L85 PathProgramCache]: Analyzing trace with hash -513502878, now seen corresponding path program 1 times [2021-12-28 05:26:30,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:26:30,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386491282] [2021-12-28 05:26:30,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:26:30,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:26:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:30,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:26:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:30,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:26:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:30,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-28 05:26:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:30,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:26:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:30,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:26:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:30,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:26:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:30,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 05:26:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:30,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 05:26:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:30,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 05:26:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:30,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 05:26:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:30,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-28 05:26:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:30,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:26:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:30,273 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-28 05:26:30,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:26:30,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386491282] [2021-12-28 05:26:30,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386491282] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:26:30,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:26:30,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:26:30,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021393444] [2021-12-28 05:26:30,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:26:30,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:26:30,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:26:30,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:26:30,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:26:30,275 INFO L87 Difference]: Start difference. First operand 1267 states and 1678 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) [2021-12-28 05:26:34,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:26:35,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:26:35,523 INFO L93 Difference]: Finished difference Result 1267 states and 1678 transitions. [2021-12-28 05:26:35,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:26:35,523 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 [2021-12-28 05:26:35,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:26:35,529 INFO L225 Difference]: With dead ends: 1267 [2021-12-28 05:26:35,529 INFO L226 Difference]: Without dead ends: 1265 [2021-12-28 05:26:35,530 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 [2021-12-28 05:26:35,530 INFO L933 BasicCegarLoop]: 1441 mSDtfsCounter, 2933 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1866 mSolverCounterSat, 1568 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3006 SdHoareTripleChecker+Valid, 1912 SdHoareTripleChecker+Invalid, 3434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-28 05:26:35,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3006 Valid, 1912 Invalid, 3434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1866 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-28 05:26:35,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states. [2021-12-28 05:26:35,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 1265. [2021-12-28 05:26:35,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1265 states, 827 states have (on average 1.2575574365175333) internal successors, (1040), 860 states have internal predecessors, (1040), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2021-12-28 05:26:35,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1676 transitions. [2021-12-28 05:26:35,598 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1676 transitions. Word has length 79 [2021-12-28 05:26:35,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:26:35,599 INFO L470 AbstractCegarLoop]: Abstraction has 1265 states and 1676 transitions. [2021-12-28 05:26:35,599 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) [2021-12-28 05:26:35,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1676 transitions. [2021-12-28 05:26:35,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-12-28 05:26:35,601 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:26:35,601 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] [2021-12-28 05:26:35,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 05:26:35,601 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-12-28 05:26:35,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:26:35,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1830884100, now seen corresponding path program 1 times [2021-12-28 05:26:35,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:26:35,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470382793] [2021-12-28 05:26:35,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:26:35,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:26:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:35,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:26:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:35,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:26:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:35,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-28 05:26:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:35,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:26:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:35,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:26:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:35,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:26:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:35,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 05:26:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:35,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 05:26:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:35,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 05:26:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:35,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 05:26:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:35,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-28 05:26:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:35,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:26:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:35,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 05:26:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:35,785 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-28 05:26:35,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:26:35,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470382793] [2021-12-28 05:26:35,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470382793] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:26:35,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:26:35,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:26:35,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90101095] [2021-12-28 05:26:35,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:26:35,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:26:35,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:26:35,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:26:35,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:26:35,788 INFO L87 Difference]: Start difference. First operand 1265 states and 1676 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) [2021-12-28 05:26:38,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:26:41,733 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:26:42,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:26:42,466 INFO L93 Difference]: Finished difference Result 1265 states and 1676 transitions. [2021-12-28 05:26:42,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:26:42,466 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 [2021-12-28 05:26:42,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:26:42,471 INFO L225 Difference]: With dead ends: 1265 [2021-12-28 05:26:42,471 INFO L226 Difference]: Without dead ends: 1263 [2021-12-28 05:26:42,471 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 [2021-12-28 05:26:42,472 INFO L933 BasicCegarLoop]: 1439 mSDtfsCounter, 2927 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1862 mSolverCounterSat, 1568 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2999 SdHoareTripleChecker+Valid, 1910 SdHoareTripleChecker+Invalid, 3432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1862 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2021-12-28 05:26:42,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2999 Valid, 1910 Invalid, 3432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1862 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2021-12-28 05:26:42,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1263 states. [2021-12-28 05:26:42,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1263 to 1263. [2021-12-28 05:26:42,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1263 states, 826 states have (on average 1.2566585956416465) internal successors, (1038), 858 states have internal predecessors, (1038), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2021-12-28 05:26:42,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 1674 transitions. [2021-12-28 05:26:42,506 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 1674 transitions. Word has length 85 [2021-12-28 05:26:42,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:26:42,506 INFO L470 AbstractCegarLoop]: Abstraction has 1263 states and 1674 transitions. [2021-12-28 05:26:42,506 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) [2021-12-28 05:26:42,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1674 transitions. [2021-12-28 05:26:42,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-28 05:26:42,507 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:26:42,507 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] [2021-12-28 05:26:42,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-28 05:26:42,507 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-12-28 05:26:42,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:26:42,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1565474190, now seen corresponding path program 1 times [2021-12-28 05:26:42,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:26:42,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922142725] [2021-12-28 05:26:42,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:26:42,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:26:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:42,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:26:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:42,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:26:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:42,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-28 05:26:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:42,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:26:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:42,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:26:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:42,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:26:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:42,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 05:26:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:42,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 05:26:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:42,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 05:26:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:42,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 05:26:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:42,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-28 05:26:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:42,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:26:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:42,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 05:26:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:42,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-28 05:26:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:42,701 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-28 05:26:42,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:26:42,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922142725] [2021-12-28 05:26:42,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922142725] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:26:42,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:26:42,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:26:42,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653227678] [2021-12-28 05:26:42,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:26:42,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:26:42,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:26:42,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:26:42,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:26:42,703 INFO L87 Difference]: Start difference. First operand 1263 states and 1674 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) [2021-12-28 05:26:47,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:26:48,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:26:48,291 INFO L93 Difference]: Finished difference Result 1263 states and 1674 transitions. [2021-12-28 05:26:48,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:26:48,291 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 [2021-12-28 05:26:48,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:26:48,296 INFO L225 Difference]: With dead ends: 1263 [2021-12-28 05:26:48,296 INFO L226 Difference]: Without dead ends: 1261 [2021-12-28 05:26:48,297 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 [2021-12-28 05:26:48,298 INFO L933 BasicCegarLoop]: 1437 mSDtfsCounter, 2925 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1857 mSolverCounterSat, 1568 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2996 SdHoareTripleChecker+Valid, 1908 SdHoareTripleChecker+Invalid, 3426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1857 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-12-28 05:26:48,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2996 Valid, 1908 Invalid, 3426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1857 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2021-12-28 05:26:48,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1261 states. [2021-12-28 05:26:48,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1261 to 1261. [2021-12-28 05:26:48,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 825 states have (on average 1.2557575757575759) internal successors, (1036), 856 states have internal predecessors, (1036), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2021-12-28 05:26:48,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1672 transitions. [2021-12-28 05:26:48,339 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1672 transitions. Word has length 91 [2021-12-28 05:26:48,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:26:48,340 INFO L470 AbstractCegarLoop]: Abstraction has 1261 states and 1672 transitions. [2021-12-28 05:26:48,340 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) [2021-12-28 05:26:48,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1672 transitions. [2021-12-28 05:26:48,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-28 05:26:48,342 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:26:48,342 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] [2021-12-28 05:26:48,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-28 05:26:48,342 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-12-28 05:26:48,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:26:48,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1182003051, now seen corresponding path program 1 times [2021-12-28 05:26:48,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:26:48,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290332043] [2021-12-28 05:26:48,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:26:48,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:26:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:48,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:26:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:48,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:26:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:48,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-28 05:26:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:48,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:26:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:48,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:26:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:48,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:26:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:48,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 05:26:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:48,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 05:26:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:48,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 05:26:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:48,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 05:26:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:48,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-28 05:26:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:48,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:26:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:48,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 05:26:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:48,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-28 05:26:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-28 05:26:48,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:26:48,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290332043] [2021-12-28 05:26:48,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290332043] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:26:48,559 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:26:48,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:26:48,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905810774] [2021-12-28 05:26:48,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:26:48,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:26:48,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:26:48,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:26:48,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:26:48,561 INFO L87 Difference]: Start difference. First operand 1261 states and 1672 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) [2021-12-28 05:26:53,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 05:26:54,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:26:54,125 INFO L93 Difference]: Finished difference Result 1261 states and 1672 transitions. [2021-12-28 05:26:54,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 05:26:54,126 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 [2021-12-28 05:26:54,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:26:54,130 INFO L225 Difference]: With dead ends: 1261 [2021-12-28 05:26:54,130 INFO L226 Difference]: Without dead ends: 1259 [2021-12-28 05:26:54,131 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 [2021-12-28 05:26:54,133 INFO L933 BasicCegarLoop]: 1435 mSDtfsCounter, 2913 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1859 mSolverCounterSat, 1568 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2984 SdHoareTripleChecker+Valid, 1906 SdHoareTripleChecker+Invalid, 3428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1859 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-28 05:26:54,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2984 Valid, 1906 Invalid, 3428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1859 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2021-12-28 05:26:54,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2021-12-28 05:26:54,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 1259. [2021-12-28 05:26:54,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1259 states, 824 states have (on average 1.2548543689320388) internal successors, (1034), 854 states have internal predecessors, (1034), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2021-12-28 05:26:54,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 1670 transitions. [2021-12-28 05:26:54,172 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 1670 transitions. Word has length 93 [2021-12-28 05:26:54,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:26:54,172 INFO L470 AbstractCegarLoop]: Abstraction has 1259 states and 1670 transitions. [2021-12-28 05:26:54,172 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) [2021-12-28 05:26:54,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1670 transitions. [2021-12-28 05:26:54,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-28 05:26:54,174 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:26:54,174 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] [2021-12-28 05:26:54,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-28 05:26:54,175 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2021-12-28 05:26:54,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:26:54,175 INFO L85 PathProgramCache]: Analyzing trace with hash 917690904, now seen corresponding path program 1 times [2021-12-28 05:26:54,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:26:54,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450073000] [2021-12-28 05:26:54,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:26:54,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:26:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:54,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 05:26:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:54,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:26:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:54,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-28 05:26:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:54,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 05:26:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:54,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:26:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:54,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 05:26:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:54,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 05:26:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:54,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 05:26:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:54,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 05:26:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:54,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 05:26:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:54,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-28 05:26:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:54,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:26:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:54,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 05:26:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:54,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-28 05:26:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:54,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-28 05:26:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:26:54,433 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-28 05:26:54,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:26:54,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450073000] [2021-12-28 05:26:54,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450073000] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:26:54,434 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:26:54,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 05:26:54,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41394510] [2021-12-28 05:26:54,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:26:54,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 05:26:54,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:26:54,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 05:26:54,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 05:26:54,436 INFO L87 Difference]: Start difference. First operand 1259 states and 1670 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)