./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.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 377580bfb9cdbd23582fc7262bec4529e2c4a4ea4e3be1be7605e4bc96102a75 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 13:12:41,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 13:12:41,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 13:12:41,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 13:12:41,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 13:12:41,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 13:12:41,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 13:12:41,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 13:12:41,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 13:12:41,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 13:12:41,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 13:12:41,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 13:12:41,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 13:12:41,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 13:12:41,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 13:12:41,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 13:12:41,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 13:12:41,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 13:12:41,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 13:12:41,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 13:12:41,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 13:12:41,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 13:12:41,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 13:12:41,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 13:12:41,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 13:12:41,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 13:12:41,996 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 13:12:41,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 13:12:41,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 13:12:41,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 13:12:41,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 13:12:41,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 13:12:42,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 13:12:42,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 13:12:42,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 13:12:42,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 13:12:42,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 13:12:42,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 13:12:42,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 13:12:42,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 13:12:42,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 13:12:42,004 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 13:12:42,027 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 13:12:42,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 13:12:42,028 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 13:12:42,028 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 13:12:42,028 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 13:12:42,029 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 13:12:42,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 13:12:42,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 13:12:42,029 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 13:12:42,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 13:12:42,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 13:12:42,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 13:12:42,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 13:12:42,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 13:12:42,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 13:12:42,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 13:12:42,031 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 13:12:42,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 13:12:42,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 13:12:42,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 13:12:42,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 13:12:42,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 13:12:42,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 13:12:42,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 13:12:42,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 13:12:42,032 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 13:12:42,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 13:12:42,033 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 13:12:42,033 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 13:12:42,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 13:12:42,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 13:12:42,034 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 377580bfb9cdbd23582fc7262bec4529e2c4a4ea4e3be1be7605e4bc96102a75 [2021-11-17 13:12:42,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 13:12:42,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 13:12:42,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 13:12:42,277 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 13:12:42,277 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 13:12:42,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i [2021-11-17 13:12:42,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe373c35f/002c28aa58bd43cbb0eeda3423662f5f/FLAG1f93ce0bf [2021-11-17 13:12:43,069 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 13:12:43,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i [2021-11-17 13:12:43,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe373c35f/002c28aa58bd43cbb0eeda3423662f5f/FLAG1f93ce0bf [2021-11-17 13:12:43,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe373c35f/002c28aa58bd43cbb0eeda3423662f5f [2021-11-17 13:12:43,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 13:12:43,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 13:12:43,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 13:12:43,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 13:12:43,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 13:12:43,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:12:43" (1/1) ... [2021-11-17 13:12:43,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39159c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:12:43, skipping insertion in model container [2021-11-17 13:12:43,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:12:43" (1/1) ... [2021-11-17 13:12:43,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 13:12:43,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 13:12:49,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704164,704177] [2021-11-17 13:12:49,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704309,704322] [2021-11-17 13:12:49,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704455,704468] [2021-11-17 13:12:49,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704620,704633] [2021-11-17 13:12:49,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704778,704791] [2021-11-17 13:12:49,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704936,704949] [2021-11-17 13:12:49,191 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705094,705107] [2021-11-17 13:12:49,191 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705254,705267] [2021-11-17 13:12:49,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705413,705426] [2021-11-17 13:12:49,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705552,705565] [2021-11-17 13:12:49,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705694,705707] [2021-11-17 13:12:49,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705843,705856] [2021-11-17 13:12:49,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705982,705995] [2021-11-17 13:12:49,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706137,706150] [2021-11-17 13:12:49,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706297,706310] [2021-11-17 13:12:49,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706448,706461] [2021-11-17 13:12:49,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706599,706612] [2021-11-17 13:12:49,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706751,706764] [2021-11-17 13:12:49,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706900,706913] [2021-11-17 13:12:49,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707048,707061] [2021-11-17 13:12:49,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707205,707218] [2021-11-17 13:12:49,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707354,707367] [2021-11-17 13:12:49,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707510,707523] [2021-11-17 13:12:49,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707663,707676] [2021-11-17 13:12:49,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707809,707822] [2021-11-17 13:12:49,211 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707952,707965] [2021-11-17 13:12:49,212 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708104,708117] [2021-11-17 13:12:49,212 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708250,708263] [2021-11-17 13:12:49,212 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708395,708408] [2021-11-17 13:12:49,213 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708549,708562] [2021-11-17 13:12:49,213 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708700,708713] [2021-11-17 13:12:49,213 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708855,708868] [2021-11-17 13:12:49,214 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709007,709020] [2021-11-17 13:12:49,214 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709162,709175] [2021-11-17 13:12:49,214 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709326,709339] [2021-11-17 13:12:49,214 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709482,709495] [2021-11-17 13:12:49,215 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709646,709659] [2021-11-17 13:12:49,215 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709788,709801] [2021-11-17 13:12:49,215 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709946,709959] [2021-11-17 13:12:49,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710113,710126] [2021-11-17 13:12:49,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710272,710285] [2021-11-17 13:12:49,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710431,710444] [2021-11-17 13:12:49,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710580,710593] [2021-11-17 13:12:49,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710727,710740] [2021-11-17 13:12:49,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710866,710879] [2021-11-17 13:12:49,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711029,711042] [2021-11-17 13:12:49,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711195,711208] [2021-11-17 13:12:49,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711359,711372] [2021-11-17 13:12:49,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711524,711537] [2021-11-17 13:12:49,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711689,711702] [2021-11-17 13:12:49,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711855,711868] [2021-11-17 13:12:49,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712020,712033] [2021-11-17 13:12:49,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712187,712200] [2021-11-17 13:12:49,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712347,712360] [2021-11-17 13:12:49,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712509,712522] [2021-11-17 13:12:49,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712668,712681] [2021-11-17 13:12:49,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712814,712827] [2021-11-17 13:12:49,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712957,712970] [2021-11-17 13:12:49,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713101,713114] [2021-11-17 13:12:49,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713244,713257] [2021-11-17 13:12:49,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713388,713401] [2021-11-17 13:12:49,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713529,713542] [2021-11-17 13:12:49,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713667,713680] [2021-11-17 13:12:49,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713825,713838] [2021-11-17 13:12:49,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713984,713997] [2021-11-17 13:12:49,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714140,714153] [2021-11-17 13:12:49,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714289,714302] [2021-11-17 13:12:49,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714441,714454] [2021-11-17 13:12:49,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714592,714605] [2021-11-17 13:12:49,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714741,714754] [2021-11-17 13:12:49,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714893,714906] [2021-11-17 13:12:49,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715041,715054] [2021-11-17 13:12:49,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715194,715207] [2021-11-17 13:12:49,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715345,715358] [2021-11-17 13:12:49,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715495,715508] [2021-11-17 13:12:49,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715642,715655] [2021-11-17 13:12:49,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715793,715806] [2021-11-17 13:12:49,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715944,715957] [2021-11-17 13:12:49,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716092,716105] [2021-11-17 13:12:49,227 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716258,716271] [2021-11-17 13:12:49,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716427,716440] [2021-11-17 13:12:49,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716594,716607] [2021-11-17 13:12:49,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716762,716775] [2021-11-17 13:12:49,228 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716912,716925] [2021-11-17 13:12:49,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717059,717072] [2021-11-17 13:12:49,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717220,717233] [2021-11-17 13:12:49,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717390,717403] [2021-11-17 13:12:49,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717552,717565] [2021-11-17 13:12:49,246 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 13:12:49,278 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 13:12:49,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704164,704177] [2021-11-17 13:12:49,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704309,704322] [2021-11-17 13:12:49,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704455,704468] [2021-11-17 13:12:49,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704620,704633] [2021-11-17 13:12:49,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704778,704791] [2021-11-17 13:12:49,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[704936,704949] [2021-11-17 13:12:49,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705094,705107] [2021-11-17 13:12:49,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705254,705267] [2021-11-17 13:12:49,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705413,705426] [2021-11-17 13:12:49,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705552,705565] [2021-11-17 13:12:49,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705694,705707] [2021-11-17 13:12:49,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705843,705856] [2021-11-17 13:12:49,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[705982,705995] [2021-11-17 13:12:49,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706137,706150] [2021-11-17 13:12:49,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706297,706310] [2021-11-17 13:12:49,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706448,706461] [2021-11-17 13:12:49,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706599,706612] [2021-11-17 13:12:49,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706751,706764] [2021-11-17 13:12:49,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[706900,706913] [2021-11-17 13:12:49,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707048,707061] [2021-11-17 13:12:49,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707205,707218] [2021-11-17 13:12:49,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707354,707367] [2021-11-17 13:12:49,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707510,707523] [2021-11-17 13:12:49,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707663,707676] [2021-11-17 13:12:49,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707809,707822] [2021-11-17 13:12:49,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[707952,707965] [2021-11-17 13:12:49,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708104,708117] [2021-11-17 13:12:49,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708250,708263] [2021-11-17 13:12:49,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708395,708408] [2021-11-17 13:12:49,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708549,708562] [2021-11-17 13:12:49,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708700,708713] [2021-11-17 13:12:49,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[708855,708868] [2021-11-17 13:12:49,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709007,709020] [2021-11-17 13:12:49,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709162,709175] [2021-11-17 13:12:49,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709326,709339] [2021-11-17 13:12:49,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709482,709495] [2021-11-17 13:12:49,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709646,709659] [2021-11-17 13:12:49,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709788,709801] [2021-11-17 13:12:49,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[709946,709959] [2021-11-17 13:12:49,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710113,710126] [2021-11-17 13:12:49,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710272,710285] [2021-11-17 13:12:49,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710431,710444] [2021-11-17 13:12:49,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710580,710593] [2021-11-17 13:12:49,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710727,710740] [2021-11-17 13:12:49,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[710866,710879] [2021-11-17 13:12:49,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711029,711042] [2021-11-17 13:12:49,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711195,711208] [2021-11-17 13:12:49,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711359,711372] [2021-11-17 13:12:49,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711524,711537] [2021-11-17 13:12:49,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711689,711702] [2021-11-17 13:12:49,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[711855,711868] [2021-11-17 13:12:49,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712020,712033] [2021-11-17 13:12:49,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712187,712200] [2021-11-17 13:12:49,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712347,712360] [2021-11-17 13:12:49,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712509,712522] [2021-11-17 13:12:49,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712668,712681] [2021-11-17 13:12:49,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712814,712827] [2021-11-17 13:12:49,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[712957,712970] [2021-11-17 13:12:49,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713101,713114] [2021-11-17 13:12:49,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713244,713257] [2021-11-17 13:12:49,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713388,713401] [2021-11-17 13:12:49,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713529,713542] [2021-11-17 13:12:49,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713667,713680] [2021-11-17 13:12:49,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713825,713838] [2021-11-17 13:12:49,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[713984,713997] [2021-11-17 13:12:49,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714140,714153] [2021-11-17 13:12:49,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714289,714302] [2021-11-17 13:12:49,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714441,714454] [2021-11-17 13:12:49,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714592,714605] [2021-11-17 13:12:49,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714741,714754] [2021-11-17 13:12:49,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[714893,714906] [2021-11-17 13:12:49,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715041,715054] [2021-11-17 13:12:49,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715194,715207] [2021-11-17 13:12:49,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715345,715358] [2021-11-17 13:12:49,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715495,715508] [2021-11-17 13:12:49,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715642,715655] [2021-11-17 13:12:49,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715793,715806] [2021-11-17 13:12:49,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[715944,715957] [2021-11-17 13:12:49,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716092,716105] [2021-11-17 13:12:49,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716258,716271] [2021-11-17 13:12:49,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716427,716440] [2021-11-17 13:12:49,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716594,716607] [2021-11-17 13:12:49,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716762,716775] [2021-11-17 13:12:49,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[716912,716925] [2021-11-17 13:12:49,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717059,717072] [2021-11-17 13:12:49,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717220,717233] [2021-11-17 13:12:49,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717390,717403] [2021-11-17 13:12:49,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i[717552,717565] [2021-11-17 13:12:49,877 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 13:12:50,167 INFO L208 MainTranslator]: Completed translation [2021-11-17 13:12:50,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:12:50 WrapperNode [2021-11-17 13:12:50,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 13:12:50,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 13:12:50,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 13:12:50,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 13:12:50,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:12:50" (1/1) ... [2021-11-17 13:12:50,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:12:50" (1/1) ... [2021-11-17 13:12:50,553 INFO L137 Inliner]: procedures = 959, calls = 6658, calls flagged for inlining = 486, calls inlined = 413, statements flattened = 16413 [2021-11-17 13:12:50,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 13:12:50,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 13:12:50,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 13:12:50,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 13:12:50,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:12:50" (1/1) ... [2021-11-17 13:12:50,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:12:50" (1/1) ... [2021-11-17 13:12:50,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:12:50" (1/1) ... [2021-11-17 13:12:50,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:12:50" (1/1) ... [2021-11-17 13:12:50,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:12:50" (1/1) ... [2021-11-17 13:12:50,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:12:50" (1/1) ... [2021-11-17 13:12:50,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:12:50" (1/1) ... [2021-11-17 13:12:51,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 13:12:51,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 13:12:51,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 13:12:51,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 13:12:51,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:12:50" (1/1) ... [2021-11-17 13:12:51,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 13:12:51,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:12:51,126 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) [2021-11-17 13:12:51,156 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 [2021-11-17 13:12:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-11-17 13:12:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-11-17 13:12:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_maxcps_room [2021-11-17 13:12:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_maxcps_room [2021-11-17 13:12:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-17 13:12:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-17 13:12:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-17 13:12:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-17 13:12:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 13:12:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 13:12:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure neo_vpd [2021-11-17 13:12:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_vpd [2021-11-17 13:12:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure neo_parse_modem [2021-11-17 13:12:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_parse_modem [2021-11-17 13:12:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure cls_param [2021-11-17 13:12:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_param [2021-11-17 13:12:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-17 13:12:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-17 13:12:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2021-11-17 13:12:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2021-11-17 13:12:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 13:12:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 13:12:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_mgmt_close [2021-11-17 13:12:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_mgmt_close [2021-11-17 13:12:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-17 13:12:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-17 13:12:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_chars_in_buffer [2021-11-17 13:12:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_chars_in_buffer [2021-11-17 13:12:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_driver_version_show [2021-11-17 13:12:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_driver_version_show [2021-11-17 13:12:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2021-11-17 13:12:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2021-11-17 13:12:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 13:12:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 13:12:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-17 13:12:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-17 13:12:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 13:12:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-17 13:12:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-17 13:12:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dgnc_global_lock [2021-11-17 13:12:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dgnc_global_lock [2021-11-17 13:12:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 13:12:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 13:12:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_stop_character [2021-11-17 13:12:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_stop_character [2021-11-17 13:12:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-17 13:12:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-17 13:12:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_bd_lock_of_dgnc_board [2021-11-17 13:12:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_bd_lock_of_dgnc_board [2021-11-17 13:12:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-17 13:12:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-17 13:12:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-17 13:12:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-17 13:12:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2021-11-17 13:12:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2021-11-17 13:12:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_start [2021-11-17 13:12:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_start [2021-11-17 13:12:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 13:12:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-17 13:12:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-17 13:12:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-17 13:12:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-17 13:12:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 13:12:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 13:12:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 13:12:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 13:12:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 13:12:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 13:12:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2021-11-17 13:12:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2021-11-17 13:12:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 13:12:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-17 13:12:51,188 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-17 13:12:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure neo_parse_isr [2021-11-17 13:12:51,188 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_parse_isr [2021-11-17 13:12:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2021-11-17 13:12:51,188 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2021-11-17 13:12:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2021-11-17 13:12:51,188 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_driver [2021-11-17 13:12:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-11-17 13:12:51,189 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-11-17 13:12:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure cls_assert_modem_signals [2021-11-17 13:12:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_assert_modem_signals [2021-11-17 13:12:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2021-11-17 13:12:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2021-11-17 13:12:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2021-11-17 13:12:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_sysfs_remove_group [2021-11-17 13:12:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-17 13:12:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-17 13:12:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 13:12:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 13:12:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 13:12:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 13:12:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2021-11-17 13:12:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2021-11-17 13:12:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure cls_drain [2021-11-17 13:12:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_drain [2021-11-17 13:12:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 13:12:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2021-11-17 13:12:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2021-11-17 13:12:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-11-17 13:12:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-11-17 13:12:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-17 13:12:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-17 13:12:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_hangup [2021-11-17 13:12:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_hangup [2021-11-17 13:12:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2021-11-17 13:12:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2021-11-17 13:12:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 13:12:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 13:12:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_tiocmget [2021-11-17 13:12:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_tiocmget [2021-11-17 13:12:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_open [2021-11-17 13:12:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_open [2021-11-17 13:12:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_set_termios [2021-11-17 13:12:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_set_termios [2021-11-17 13:12:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_input [2021-11-17 13:12:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_input [2021-11-17 13:12:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_bd_intr_lock_of_dgnc_board [2021-11-17 13:12:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_bd_intr_lock_of_dgnc_board [2021-11-17 13:12:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 13:12:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 13:12:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-17 13:12:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-17 13:12:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure tty_ldisc_deref [2021-11-17 13:12:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_ldisc_deref [2021-11-17 13:12:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-17 13:12:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-17 13:12:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_driver_boards_show [2021-11-17 13:12:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_driver_boards_show [2021-11-17 13:12:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-17 13:12:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-17 13:12:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure neo_copy_data_from_queue_to_uart [2021-11-17 13:12:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_copy_data_from_queue_to_uart [2021-11-17 13:12:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-17 13:12:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-17 13:12:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 13:12:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 13:12:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 13:12:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-17 13:12:51,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-17 13:12:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-11-17 13:12:51,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-11-17 13:12:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure neo_assert_modem_signals [2021-11-17 13:12:51,196 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_assert_modem_signals [2021-11-17 13:12:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_112 [2021-11-17 13:12:51,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_112 [2021-11-17 13:12:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 13:12:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure neo_param [2021-11-17 13:12:51,196 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_param [2021-11-17 13:12:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2021-11-17 13:12:51,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2021-11-17 13:12:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-17 13:12:51,197 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-17 13:12:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure neo_copy_data_from_uart_to_queue [2021-11-17 13:12:51,197 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_copy_data_from_uart_to_queue [2021-11-17 13:12:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-17 13:12:51,197 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-17 13:12:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_102 [2021-11-17 13:12:51,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_102 [2021-11-17 13:12:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_104 [2021-11-17 13:12:51,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_104 [2021-11-17 13:12:51,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-17 13:12:51,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-17 13:12:51,198 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 13:12:51,198 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 13:12:51,198 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-17 13:12:51,198 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-17 13:12:51,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 13:12:51,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 13:12:51,198 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_cleanup_module [2021-11-17 13:12:51,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_cleanup_module [2021-11-17 13:12:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2021-11-17 13:12:51,199 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2021-11-17 13:12:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_flush_chars [2021-11-17 13:12:51,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_flush_chars [2021-11-17 13:12:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-17 13:12:51,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-17 13:12:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure cls_uart_init [2021-11-17 13:12:51,199 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_uart_init [2021-11-17 13:12:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-17 13:12:51,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-17 13:12:51,200 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_start_character [2021-11-17 13:12:51,200 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_start_character [2021-11-17 13:12:51,200 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_close [2021-11-17 13:12:51,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_close [2021-11-17 13:12:51,200 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_immediate_char [2021-11-17 13:12:51,200 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_immediate_char [2021-11-17 13:12:51,200 INFO L130 BoogieDeclarations]: Found specification of procedure neo_set_no_output_flow_control [2021-11-17 13:12:51,200 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_set_no_output_flow_control [2021-11-17 13:12:51,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~uint~0~TO~int [2021-11-17 13:12:51,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~uint~0~TO~int [2021-11-17 13:12:51,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 13:12:51,201 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_wakeup_writes [2021-11-17 13:12:51,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_wakeup_writes [2021-11-17 13:12:51,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 13:12:51,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 13:12:51,201 INFO L130 BoogieDeclarations]: Found specification of procedure cls_get_uart_bytes_left [2021-11-17 13:12:51,201 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_get_uart_bytes_left [2021-11-17 13:12:51,201 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_device [2021-11-17 13:12:51,201 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_device [2021-11-17 13:12:51,201 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2021-11-17 13:12:51,201 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2021-11-17 13:12:51,201 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_wmove [2021-11-17 13:12:51,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_wmove [2021-11-17 13:12:51,202 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-17 13:12:51,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-17 13:12:51,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_ch_lock_of_channel_t [2021-11-17 13:12:51,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_ch_lock_of_channel_t [2021-11-17 13:12:51,202 INFO L130 BoogieDeclarations]: Found specification of procedure cls_parse_modem [2021-11-17 13:12:51,202 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_parse_modem [2021-11-17 13:12:51,202 INFO L130 BoogieDeclarations]: Found specification of procedure neo_flush_uart_write [2021-11-17 13:12:51,202 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_flush_uart_write [2021-11-17 13:12:51,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dgnc_poll_lock [2021-11-17 13:12:51,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dgnc_poll_lock [2021-11-17 13:12:51,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-11-17 13:12:51,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2021-11-17 13:12:51,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-11-17 13:12:51,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-11-17 13:12:51,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2021-11-17 13:12:51,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2021-11-17 13:12:51,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-17 13:12:51,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-17 13:12:51,203 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_wait_until_sent [2021-11-17 13:12:51,203 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_wait_until_sent [2021-11-17 13:12:51,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 13:12:51,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 13:12:51,204 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_stop_character [2021-11-17 13:12:51,204 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_stop_character [2021-11-17 13:12:51,204 INFO L130 BoogieDeclarations]: Found specification of procedure tty_check_change [2021-11-17 13:12:51,204 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_check_change [2021-11-17 13:12:51,204 INFO L130 BoogieDeclarations]: Found specification of procedure cls_copy_data_from_queue_to_uart [2021-11-17 13:12:51,204 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_copy_data_from_queue_to_uart [2021-11-17 13:12:51,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 13:12:51,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 13:12:51,205 INFO L130 BoogieDeclarations]: Found specification of procedure neo_enable_receiver [2021-11-17 13:12:51,205 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_enable_receiver [2021-11-17 13:12:51,205 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2021-11-17 13:12:51,205 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2021-11-17 13:12:51,205 INFO L130 BoogieDeclarations]: Found specification of procedure cls_uart_off [2021-11-17 13:12:51,205 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_uart_off [2021-11-17 13:12:51,205 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-17 13:12:51,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-17 13:12:51,205 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_do_remap [2021-11-17 13:12:51,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_do_remap [2021-11-17 13:12:51,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-17 13:12:51,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-17 13:12:51,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-17 13:12:51,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-17 13:12:51,206 INFO L130 BoogieDeclarations]: Found specification of procedure neo_drain [2021-11-17 13:12:51,206 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_drain [2021-11-17 13:12:51,206 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 13:12:51,206 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 13:12:51,206 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_mgmt_open [2021-11-17 13:12:51,206 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_mgmt_open [2021-11-17 13:12:51,206 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_uninit [2021-11-17 13:12:51,206 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_uninit [2021-11-17 13:12:51,207 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_stop [2021-11-17 13:12:51,207 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_stop [2021-11-17 13:12:51,207 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_flush_buffer [2021-11-17 13:12:51,207 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_flush_buffer [2021-11-17 13:12:51,207 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_driver_pollrate_store [2021-11-17 13:12:51,207 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_driver_pollrate_store [2021-11-17 13:12:51,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 13:12:51,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 13:12:51,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 13:12:51,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 13:12:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-17 13:12:51,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-17 13:12:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 13:12:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure neo_send_break [2021-11-17 13:12:51,208 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_send_break [2021-11-17 13:12:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_check_queue_flow_control [2021-11-17 13:12:51,208 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_check_queue_flow_control [2021-11-17 13:12:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-17 13:12:51,208 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-17 13:12:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 13:12:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-17 13:12:51,209 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-17 13:12:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 13:12:51,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 13:12:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 13:12:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-17 13:12:51,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-17 13:12:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure cls_enable_receiver [2021-11-17 13:12:51,209 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_enable_receiver [2021-11-17 13:12:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-17 13:12:51,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-17 13:12:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 13:12:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 13:12:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure cls_disable_receiver [2021-11-17 13:12:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_disable_receiver [2021-11-17 13:12:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-17 13:12:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-17 13:12:51,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 13:12:51,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 13:12:51,327 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_tiocmset [2021-11-17 13:12:51,327 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_tiocmset [2021-11-17 13:12:51,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 13:12:51,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 13:12:51,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-11-17 13:12:51,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2021-11-17 13:12:51,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-17 13:12:51,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-17 13:12:51,327 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_unthrottle [2021-11-17 13:12:51,327 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_unthrottle [2021-11-17 13:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure neo_pci_posting_flush [2021-11-17 13:12:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_pci_posting_flush [2021-11-17 13:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_unregister_device [2021-11-17 13:12:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_unregister_device [2021-11-17 13:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 13:12:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 13:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 13:12:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 13:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-17 13:12:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-17 13:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_break [2021-11-17 13:12:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_break [2021-11-17 13:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_remove_tty_sysfs [2021-11-17 13:12:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_remove_tty_sysfs [2021-11-17 13:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-17 13:12:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-17 13:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure neo_disable_receiver [2021-11-17 13:12:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_disable_receiver [2021-11-17 13:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2021-11-17 13:12:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2021-11-17 13:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-17 13:12:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-17 13:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-17 13:12:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-17 13:12:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure neo_get_uart_bytes_left [2021-11-17 13:12:51,328 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_get_uart_bytes_left [2021-11-17 13:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure cls_set_no_input_flow_control [2021-11-17 13:12:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_set_no_input_flow_control [2021-11-17 13:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_write [2021-11-17 13:12:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_write [2021-11-17 13:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 13:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 13:12:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 13:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_init_one [2021-11-17 13:12:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_init_one [2021-11-17 13:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 13:12:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 13:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2021-11-17 13:12:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2021-11-17 13:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_carrier [2021-11-17 13:12:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_carrier [2021-11-17 13:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_ioctl [2021-11-17 13:12:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_ioctl [2021-11-17 13:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_throttle [2021-11-17 13:12:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_throttle [2021-11-17 13:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure neo_uart_off [2021-11-17 13:12:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_uart_off [2021-11-17 13:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-17 13:12:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-17 13:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~uint~0 [2021-11-17 13:12:51,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~uint~0 [2021-11-17 13:12:51,329 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-17 13:12:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-17 13:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_put_char [2021-11-17 13:12:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_put_char [2021-11-17 13:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_immediate_char [2021-11-17 13:12:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_immediate_char [2021-11-17 13:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_driver_maxboards_show [2021-11-17 13:12:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_driver_maxboards_show [2021-11-17 13:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure up [2021-11-17 13:12:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2021-11-17 13:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-17 13:12:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-17 13:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_create_tty_sysfs [2021-11-17 13:12:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_create_tty_sysfs [2021-11-17 13:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-17 13:12:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-17 13:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 13:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-17 13:12:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-17 13:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97___0 [2021-11-17 13:12:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97___0 [2021-11-17 13:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 13:12:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 13:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-17 13:12:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-17 13:12:51,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-17 13:12:51,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-17 13:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 13:12:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 13:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure cls_set_no_output_flow_control [2021-11-17 13:12:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_set_no_output_flow_control [2021-11-17 13:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure neo_tasklet [2021-11-17 13:12:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_tasklet [2021-11-17 13:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_send_break [2021-11-17 13:12:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_send_break [2021-11-17 13:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure tty_ldisc_flush [2021-11-17 13:12:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_ldisc_flush [2021-11-17 13:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-17 13:12:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-17 13:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_write_room [2021-11-17 13:12:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_write_room [2021-11-17 13:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-17 13:12:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-17 13:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 13:12:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 13:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure cls_flush_uart_write [2021-11-17 13:12:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_flush_uart_write [2021-11-17 13:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-17 13:12:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-17 13:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_tty_send_xchar [2021-11-17 13:12:51,331 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_tty_send_xchar [2021-11-17 13:12:51,331 INFO L130 BoogieDeclarations]: Found specification of procedure dgnc_driver_pollrate_show [2021-11-17 13:12:51,332 INFO L138 BoogieDeclarations]: Found implementation of procedure dgnc_driver_pollrate_show [2021-11-17 13:12:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 13:12:51,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 13:12:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_100 [2021-11-17 13:12:51,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_100 [2021-11-17 13:12:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-17 13:12:51,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-17 13:12:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure cls_tasklet [2021-11-17 13:12:51,332 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_tasklet [2021-11-17 13:12:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-17 13:12:51,332 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-17 13:12:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure cls_vpd [2021-11-17 13:12:51,332 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_vpd [2021-11-17 13:12:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure neo_set_no_input_flow_control [2021-11-17 13:12:51,332 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_set_no_input_flow_control [2021-11-17 13:12:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-11-17 13:12:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2021-11-17 13:12:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure neo_flush_uart_read [2021-11-17 13:12:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_flush_uart_read [2021-11-17 13:12:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure cls_send_start_character [2021-11-17 13:12:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_send_start_character [2021-11-17 13:12:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-17 13:12:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-17 13:12:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure neo_uart_init [2021-11-17 13:12:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure neo_uart_init [2021-11-17 13:12:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 13:12:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 13:12:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-17 13:12:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-17 13:12:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-17 13:12:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-17 13:12:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2021-11-17 13:12:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2021-11-17 13:12:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 13:12:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 13:12:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure cls_flush_uart_read [2021-11-17 13:12:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure cls_flush_uart_read [2021-11-17 13:12:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 13:12:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 13:12:51,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 13:12:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-11-17 13:12:51,335 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-11-17 13:12:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-17 13:12:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-17 13:12:51,335 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-17 13:12:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2021-11-17 13:12:51,335 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2021-11-17 13:12:52,332 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 13:12:52,337 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 13:12:52,743 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 13:13:08,517 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call ULTIMATE.dealloc(~#buf~0#1.base, ~#buf~0#1.offset);havoc ~#buf~0#1.base, ~#buf~0#1.offset;call ULTIMATE.dealloc(~#buf___0~0#1.base, ~#buf___0~0#1.offset);havoc ~#buf___0~0#1.base, ~#buf___0~0#1.offset; [2021-11-17 13:14:11,352 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 13:14:11,377 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 13:14:11,377 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-17 13:14:11,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:14:11 BoogieIcfgContainer [2021-11-17 13:14:11,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 13:14:11,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 13:14:11,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 13:14:11,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 13:14:11,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 01:12:43" (1/3) ... [2021-11-17 13:14:11,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da97421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:14:11, skipping insertion in model container [2021-11-17 13:14:11,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:12:50" (2/3) ... [2021-11-17 13:14:11,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da97421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:14:11, skipping insertion in model container [2021-11-17 13:14:11,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:14:11" (3/3) ... [2021-11-17 13:14:11,391 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--staging--dgnc--dgnc.ko.cil.i [2021-11-17 13:14:11,395 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 13:14:11,396 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2021-11-17 13:14:11,448 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 13:14:11,465 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 [2021-11-17 13:14:11,465 INFO L340 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2021-11-17 13:14:11,547 INFO L276 IsEmpty]: Start isEmpty. Operand has 4934 states, 3280 states have (on average 1.3810975609756098) internal successors, (4530), 3490 states have internal predecessors, (4530), 1398 states have call successors, (1398), 219 states have call predecessors, (1398), 218 states have return successors, (1390), 1317 states have call predecessors, (1390), 1390 states have call successors, (1390) [2021-11-17 13:14:11,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-17 13:14:11,552 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:14:11,553 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:14:11,553 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-11-17 13:14:11,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:14:11,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1984448998, now seen corresponding path program 1 times [2021-11-17 13:14:11,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:14:11,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97251982] [2021-11-17 13:14:11,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:14:11,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:14:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:12,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:14:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:12,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 13:14:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:12,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 13:14:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:12,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:12,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:12,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-17 13:14:12,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:14:12,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97251982] [2021-11-17 13:14:12,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97251982] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:14:12,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:14:12,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-17 13:14:12,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369986645] [2021-11-17 13:14:12,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:14:12,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 13:14:12,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:14:12,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 13:14:12,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 13:14:12,263 INFO L87 Difference]: Start difference. First operand has 4934 states, 3280 states have (on average 1.3810975609756098) internal successors, (4530), 3490 states have internal predecessors, (4530), 1398 states have call successors, (1398), 219 states have call predecessors, (1398), 218 states have return successors, (1390), 1317 states have call predecessors, (1390), 1390 states have call successors, (1390) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-17 13:14:12,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:14:12,585 INFO L93 Difference]: Finished difference Result 9845 states and 15097 transitions. [2021-11-17 13:14:12,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 13:14:12,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2021-11-17 13:14:12,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:14:12,633 INFO L225 Difference]: With dead ends: 9845 [2021-11-17 13:14:12,633 INFO L226 Difference]: Without dead ends: 4910 [2021-11-17 13:14:12,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 13:14:12,668 INFO L933 BasicCegarLoop]: 7249 mSDtfsCounter, 1 mSDsluCounter, 7247 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 14496 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:14:12,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 14496 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 13:14:12,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4910 states. [2021-11-17 13:14:12,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4910 to 4909. [2021-11-17 13:14:12,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4909 states, 3265 states have (on average 1.3629402756508422) internal successors, (4450), 3471 states have internal predecessors, (4450), 1390 states have call successors, (1390), 218 states have call predecessors, (1390), 217 states have return successors, (1388), 1315 states have call predecessors, (1388), 1388 states have call successors, (1388) [2021-11-17 13:14:12,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4909 states to 4909 states and 7228 transitions. [2021-11-17 13:14:12,995 INFO L78 Accepts]: Start accepts. Automaton has 4909 states and 7228 transitions. Word has length 39 [2021-11-17 13:14:12,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:14:12,996 INFO L470 AbstractCegarLoop]: Abstraction has 4909 states and 7228 transitions. [2021-11-17 13:14:12,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-17 13:14:12,996 INFO L276 IsEmpty]: Start isEmpty. Operand 4909 states and 7228 transitions. [2021-11-17 13:14:12,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-17 13:14:12,998 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:14:12,998 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:14:12,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 13:14:12,999 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-11-17 13:14:13,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:14:13,000 INFO L85 PathProgramCache]: Analyzing trace with hash -724701054, now seen corresponding path program 1 times [2021-11-17 13:14:13,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:14:13,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775255098] [2021-11-17 13:14:13,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:14:13,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:14:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:14:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 13:14:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 13:14:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:13,269 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-17 13:14:13,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:14:13,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775255098] [2021-11-17 13:14:13,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775255098] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:14:13,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1129957797] [2021-11-17 13:14:13,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:14:13,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:14:13,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:14:13,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:14:13,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 13:14:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:14,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 4453 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 13:14:14,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:14:14,844 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:14:14,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 13:14:14,987 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-17 13:14:14,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1129957797] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 13:14:14,988 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 13:14:14,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-17 13:14:14,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806437132] [2021-11-17 13:14:14,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 13:14:14,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 13:14:14,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:14:14,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 13:14:14,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:14:14,990 INFO L87 Difference]: Start difference. First operand 4909 states and 7228 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 13:14:15,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:14:15,183 INFO L93 Difference]: Finished difference Result 9816 states and 14455 transitions. [2021-11-17 13:14:15,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 13:14:15,184 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 41 [2021-11-17 13:14:15,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:14:15,206 INFO L225 Difference]: With dead ends: 9816 [2021-11-17 13:14:15,207 INFO L226 Difference]: Without dead ends: 4915 [2021-11-17 13:14:15,224 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:14:15,225 INFO L933 BasicCegarLoop]: 7225 mSDtfsCounter, 4 mSDsluCounter, 14446 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 21671 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:14:15,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 21671 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 13:14:15,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4915 states. [2021-11-17 13:14:15,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4915 to 4915. [2021-11-17 13:14:15,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4915 states, 3271 states have (on average 1.3622745337817181) internal successors, (4456), 3477 states have internal predecessors, (4456), 1390 states have call successors, (1390), 218 states have call predecessors, (1390), 217 states have return successors, (1388), 1315 states have call predecessors, (1388), 1388 states have call successors, (1388) [2021-11-17 13:14:15,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4915 states to 4915 states and 7234 transitions. [2021-11-17 13:14:15,370 INFO L78 Accepts]: Start accepts. Automaton has 4915 states and 7234 transitions. Word has length 41 [2021-11-17 13:14:15,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:14:15,370 INFO L470 AbstractCegarLoop]: Abstraction has 4915 states and 7234 transitions. [2021-11-17 13:14:15,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 13:14:15,371 INFO L276 IsEmpty]: Start isEmpty. Operand 4915 states and 7234 transitions. [2021-11-17 13:14:15,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-17 13:14:15,371 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:14:15,372 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:14:15,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-17 13:14:15,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:14:15,588 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-11-17 13:14:15,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:14:15,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1780835754, now seen corresponding path program 2 times [2021-11-17 13:14:15,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:14:15,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198918904] [2021-11-17 13:14:15,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:14:15,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:14:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:15,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:14:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:15,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 13:14:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:15,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:14:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:15,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:15,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:15,914 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-17 13:14:15,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:14:15,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198918904] [2021-11-17 13:14:15,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198918904] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:14:15,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:14:15,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 13:14:15,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971760949] [2021-11-17 13:14:15,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:14:15,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 13:14:15,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:14:15,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 13:14:15,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 13:14:15,916 INFO L87 Difference]: Start difference. First operand 4915 states and 7234 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-17 13:14:16,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:14:16,215 INFO L93 Difference]: Finished difference Result 9676 states and 14249 transitions. [2021-11-17 13:14:16,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 13:14:16,215 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2021-11-17 13:14:16,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:14:16,265 INFO L225 Difference]: With dead ends: 9676 [2021-11-17 13:14:16,265 INFO L226 Difference]: Without dead ends: 9674 [2021-11-17 13:14:16,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:14:16,278 INFO L933 BasicCegarLoop]: 8756 mSDtfsCounter, 7208 mSDsluCounter, 24524 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7209 SdHoareTripleChecker+Valid, 33280 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:14:16,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7209 Valid, 33280 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 13:14:16,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9674 states. [2021-11-17 13:14:16,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9674 to 9591. [2021-11-17 13:14:16,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9591 states, 6402 states have (on average 1.3670727897532022) internal successors, (8752), 6777 states have internal predecessors, (8752), 2723 states have call successors, (2723), 432 states have call predecessors, (2723), 430 states have return successors, (2721), 2569 states have call predecessors, (2721), 2721 states have call successors, (2721) [2021-11-17 13:14:16,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9591 states to 9591 states and 14196 transitions. [2021-11-17 13:14:16,603 INFO L78 Accepts]: Start accepts. Automaton has 9591 states and 14196 transitions. Word has length 47 [2021-11-17 13:14:16,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:14:16,603 INFO L470 AbstractCegarLoop]: Abstraction has 9591 states and 14196 transitions. [2021-11-17 13:14:16,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-17 13:14:16,604 INFO L276 IsEmpty]: Start isEmpty. Operand 9591 states and 14196 transitions. [2021-11-17 13:14:16,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-17 13:14:16,605 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:14:16,606 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:14:16,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 13:14:16,606 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-11-17 13:14:16,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:14:16,606 INFO L85 PathProgramCache]: Analyzing trace with hash -309007750, now seen corresponding path program 1 times [2021-11-17 13:14:16,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:14:16,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374540004] [2021-11-17 13:14:16,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:14:16,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:14:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:16,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:14:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:16,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 13:14:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:16,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:14:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:16,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:16,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:16,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 13:14:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:16,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:16,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:16,945 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-11-17 13:14:16,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:14:16,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374540004] [2021-11-17 13:14:16,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374540004] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:14:16,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:14:16,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 13:14:16,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623274663] [2021-11-17 13:14:16,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:14:16,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 13:14:16,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:14:16,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 13:14:16,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 13:14:16,948 INFO L87 Difference]: Start difference. First operand 9591 states and 14196 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-17 13:14:17,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:14:17,231 INFO L93 Difference]: Finished difference Result 9591 states and 14196 transitions. [2021-11-17 13:14:17,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 13:14:17,232 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 66 [2021-11-17 13:14:17,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:14:17,296 INFO L225 Difference]: With dead ends: 9591 [2021-11-17 13:14:17,297 INFO L226 Difference]: Without dead ends: 9589 [2021-11-17 13:14:17,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:14:17,308 INFO L933 BasicCegarLoop]: 7217 mSDtfsCounter, 7206 mSDsluCounter, 14431 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7207 SdHoareTripleChecker+Valid, 21648 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:14:17,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7207 Valid, 21648 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 13:14:17,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9589 states. [2021-11-17 13:14:17,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9589 to 9589. [2021-11-17 13:14:17,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9589 states, 6401 states have (on average 1.36681768473676) internal successors, (8749), 6775 states have internal predecessors, (8749), 2723 states have call successors, (2723), 432 states have call predecessors, (2723), 430 states have return successors, (2721), 2569 states have call predecessors, (2721), 2721 states have call successors, (2721) [2021-11-17 13:14:17,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9589 states to 9589 states and 14193 transitions. [2021-11-17 13:14:17,655 INFO L78 Accepts]: Start accepts. Automaton has 9589 states and 14193 transitions. Word has length 66 [2021-11-17 13:14:17,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:14:17,656 INFO L470 AbstractCegarLoop]: Abstraction has 9589 states and 14193 transitions. [2021-11-17 13:14:17,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-17 13:14:17,656 INFO L276 IsEmpty]: Start isEmpty. Operand 9589 states and 14193 transitions. [2021-11-17 13:14:17,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-17 13:14:17,663 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:14:17,663 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:14:17,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 13:14:17,663 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-11-17 13:14:17,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:14:17,664 INFO L85 PathProgramCache]: Analyzing trace with hash 424959658, now seen corresponding path program 1 times [2021-11-17 13:14:17,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:14:17,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265301148] [2021-11-17 13:14:17,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:14:17,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:14:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:17,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:14:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:17,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 13:14:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:17,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:14:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:17,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:17,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:17,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 13:14:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:17,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:17,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:17,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:14:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:17,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:14:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:17,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 13:14:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:18,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 13:14:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:18,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-17 13:14:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:18,024 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-11-17 13:14:18,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:14:18,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265301148] [2021-11-17 13:14:18,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265301148] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:14:18,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:14:18,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 13:14:18,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668536766] [2021-11-17 13:14:18,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:14:18,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 13:14:18,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:14:18,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 13:14:18,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 13:14:18,026 INFO L87 Difference]: Start difference. First operand 9589 states and 14193 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-17 13:14:19,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:14:19,141 INFO L93 Difference]: Finished difference Result 20548 states and 30548 transitions. [2021-11-17 13:14:19,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 13:14:19,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 112 [2021-11-17 13:14:19,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:14:19,193 INFO L225 Difference]: With dead ends: 20548 [2021-11-17 13:14:19,194 INFO L226 Difference]: Without dead ends: 11427 [2021-11-17 13:14:19,237 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 13:14:19,238 INFO L933 BasicCegarLoop]: 7546 mSDtfsCounter, 1581 mSDsluCounter, 14433 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 650 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 21979 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 650 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-17 13:14:19,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1581 Valid, 21979 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [650 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-17 13:14:19,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11427 states. [2021-11-17 13:14:19,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11427 to 9593. [2021-11-17 13:14:19,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9593 states, 6405 states have (on average 1.3665886026541765) internal successors, (8753), 6779 states have internal predecessors, (8753), 2723 states have call successors, (2723), 432 states have call predecessors, (2723), 430 states have return successors, (2721), 2569 states have call predecessors, (2721), 2721 states have call successors, (2721) [2021-11-17 13:14:19,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9593 states to 9593 states and 14197 transitions. [2021-11-17 13:14:19,616 INFO L78 Accepts]: Start accepts. Automaton has 9593 states and 14197 transitions. Word has length 112 [2021-11-17 13:14:19,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:14:19,618 INFO L470 AbstractCegarLoop]: Abstraction has 9593 states and 14197 transitions. [2021-11-17 13:14:19,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-17 13:14:19,618 INFO L276 IsEmpty]: Start isEmpty. Operand 9593 states and 14197 transitions. [2021-11-17 13:14:19,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-17 13:14:19,621 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:14:19,622 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:14:19,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 13:14:19,622 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-11-17 13:14:19,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:14:19,622 INFO L85 PathProgramCache]: Analyzing trace with hash -285887965, now seen corresponding path program 1 times [2021-11-17 13:14:19,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:14:19,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253524876] [2021-11-17 13:14:19,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:14:19,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:14:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:19,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:14:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:19,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 13:14:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:19,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:14:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:19,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:19,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:19,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 13:14:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:19,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:19,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:14:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:19,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:14:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:19,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:14:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:20,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 13:14:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:20,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:14:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:20,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:14:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:20,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 13:14:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:20,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:14:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:14:20,091 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-11-17 13:14:20,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:14:20,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253524876] [2021-11-17 13:14:20,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253524876] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:14:20,092 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:14:20,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:14:20,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157094331] [2021-11-17 13:14:20,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:14:20,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:14:20,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:14:20,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:14:20,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:14:20,094 INFO L87 Difference]: Start difference. First operand 9593 states and 14197 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-17 13:14:22,162 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:14:38,677 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:14:46,557 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:15:01,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:15:01,893 INFO L93 Difference]: Finished difference Result 20066 states and 30185 transitions. [2021-11-17 13:15:01,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:15:01,894 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 3 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 112 [2021-11-17 13:15:01,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:15:01,974 INFO L225 Difference]: With dead ends: 20066 [2021-11-17 13:15:01,975 INFO L226 Difference]: Without dead ends: 20064 [2021-11-17 13:15:01,984 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 13:15:01,985 INFO L933 BasicCegarLoop]: 9270 mSDtfsCounter, 9151 mSDsluCounter, 23496 mSDsCounter, 0 mSdLazyCounter, 10480 mSolverCounterSat, 4081 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10446 SdHoareTripleChecker+Valid, 32766 SdHoareTripleChecker+Invalid, 14564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4081 IncrementalHoareTripleChecker+Valid, 10480 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.3s IncrementalHoareTripleChecker+Time [2021-11-17 13:15:01,985 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10446 Valid, 32766 Invalid, 14564 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4081 Valid, 10480 Invalid, 3 Unknown, 0 Unchecked, 40.3s Time] [2021-11-17 13:15:02,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20064 states. [2021-11-17 13:15:02,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20064 to 18512. [2021-11-17 13:15:02,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18512 states, 12376 states have (on average 1.369667097608274) internal successors, (16951), 13079 states have internal predecessors, (16951), 5285 states have call successors, (5285), 820 states have call predecessors, (5285), 817 states have return successors, (5291), 4979 states have call predecessors, (5291), 5283 states have call successors, (5291) [2021-11-17 13:15:02,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18512 states to 18512 states and 27527 transitions. [2021-11-17 13:15:02,707 INFO L78 Accepts]: Start accepts. Automaton has 18512 states and 27527 transitions. Word has length 112 [2021-11-17 13:15:02,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:15:02,708 INFO L470 AbstractCegarLoop]: Abstraction has 18512 states and 27527 transitions. [2021-11-17 13:15:02,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-17 13:15:02,708 INFO L276 IsEmpty]: Start isEmpty. Operand 18512 states and 27527 transitions. [2021-11-17 13:15:02,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-17 13:15:02,711 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:15:02,711 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:15:02,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 13:15:02,712 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-11-17 13:15:02,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:15:02,712 INFO L85 PathProgramCache]: Analyzing trace with hash -596425514, now seen corresponding path program 1 times [2021-11-17 13:15:02,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:15:02,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571863361] [2021-11-17 13:15:02,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:15:02,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:15:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:03,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:15:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:03,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 13:15:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:03,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:15:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:03,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:15:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:03,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:15:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:03,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 13:15:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:03,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:15:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:03,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:15:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:03,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:15:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:03,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:15:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:03,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 13:15:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:03,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:15:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:03,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:15:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:03,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 13:15:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:03,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:15:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:03,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:15:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:03,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 13:15:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:03,253 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-11-17 13:15:03,253 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:15:03,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571863361] [2021-11-17 13:15:03,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571863361] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:15:03,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:15:03,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:15:03,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178725214] [2021-11-17 13:15:03,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:15:03,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:15:03,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:15:03,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:15:03,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:15:03,255 INFO L87 Difference]: Start difference. First operand 18512 states and 27527 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-17 13:15:05,319 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:15:17,208 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:15:26,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:15:26,706 INFO L93 Difference]: Finished difference Result 19734 states and 29825 transitions. [2021-11-17 13:15:26,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 13:15:26,707 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 125 [2021-11-17 13:15:26,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:15:27,026 INFO L225 Difference]: With dead ends: 19734 [2021-11-17 13:15:27,027 INFO L226 Difference]: Without dead ends: 19732 [2021-11-17 13:15:27,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 13:15:27,034 INFO L933 BasicCegarLoop]: 6826 mSDtfsCounter, 7841 mSDsluCounter, 13726 mSDsCounter, 0 mSdLazyCounter, 5301 mSolverCounterSat, 2960 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8694 SdHoareTripleChecker+Valid, 20552 SdHoareTripleChecker+Invalid, 8263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2960 IncrementalHoareTripleChecker+Valid, 5301 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2021-11-17 13:15:27,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8694 Valid, 20552 Invalid, 8263 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2960 Valid, 5301 Invalid, 2 Unknown, 0 Unchecked, 22.5s Time] [2021-11-17 13:15:27,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19732 states. [2021-11-17 13:15:27,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19732 to 18510. [2021-11-17 13:15:27,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18510 states, 12375 states have (on average 1.3693737373737374) internal successors, (16946), 13077 states have internal predecessors, (16946), 5285 states have call successors, (5285), 820 states have call predecessors, (5285), 817 states have return successors, (5291), 4979 states have call predecessors, (5291), 5283 states have call successors, (5291) [2021-11-17 13:15:27,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18510 states to 18510 states and 27522 transitions. [2021-11-17 13:15:27,680 INFO L78 Accepts]: Start accepts. Automaton has 18510 states and 27522 transitions. Word has length 125 [2021-11-17 13:15:27,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:15:27,681 INFO L470 AbstractCegarLoop]: Abstraction has 18510 states and 27522 transitions. [2021-11-17 13:15:27,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-17 13:15:27,681 INFO L276 IsEmpty]: Start isEmpty. Operand 18510 states and 27522 transitions. [2021-11-17 13:15:27,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-17 13:15:27,684 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:15:27,684 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:15:27,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 13:15:27,684 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-11-17 13:15:27,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:15:27,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1929560061, now seen corresponding path program 1 times [2021-11-17 13:15:27,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:15:27,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332395742] [2021-11-17 13:15:27,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:15:27,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:15:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:27,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:15:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:27,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 13:15:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:27,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:15:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:27,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:15:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:27,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:15:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:27,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 13:15:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:27,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:15:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:27,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:15:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:27,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:15:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:27,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:15:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:27,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 13:15:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:28,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:15:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:28,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 13:15:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:28,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 13:15:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:28,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:15:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:28,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-17 13:15:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:28,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 13:15:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:15:28,082 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-11-17 13:15:28,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:15:28,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332395742] [2021-11-17 13:15:28,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332395742] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:15:28,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:15:28,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:15:28,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080363284] [2021-11-17 13:15:28,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:15:28,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:15:28,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:15:28,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:15:28,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:15:28,084 INFO L87 Difference]: Start difference. First operand 18510 states and 27522 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-17 13:15:30,146 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:15:32,218 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:15:38,803 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:15:41,207 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:15:47,119 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:15:49,643 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:15:57,679 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:15:59,717 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:02,553 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:23,370 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:25,402 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:27,950 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:31,188 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:33,201 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:35,731 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:45,363 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:52,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:16:52,258 INFO L93 Difference]: Finished difference Result 36344 states and 54508 transitions. [2021-11-17 13:16:52,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 13:16:52,260 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 128 [2021-11-17 13:16:52,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:16:52,440 INFO L225 Difference]: With dead ends: 36344 [2021-11-17 13:16:52,440 INFO L226 Difference]: Without dead ends: 36342 [2021-11-17 13:16:52,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 13:16:52,467 INFO L933 BasicCegarLoop]: 7250 mSDtfsCounter, 17403 mSDsluCounter, 8077 mSDsCounter, 0 mSdLazyCounter, 13636 mSolverCounterSat, 10925 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17770 SdHoareTripleChecker+Valid, 15327 SdHoareTripleChecker+Invalid, 24576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10925 IncrementalHoareTripleChecker+Valid, 13636 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.2s IncrementalHoareTripleChecker+Time [2021-11-17 13:16:52,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17770 Valid, 15327 Invalid, 24576 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10925 Valid, 13636 Invalid, 15 Unknown, 0 Unchecked, 82.2s Time] [2021-11-17 13:16:52,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36342 states. [2021-11-17 13:16:53,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36342 to 36018. [2021-11-17 13:16:53,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36018 states, 24120 states have (on average 1.3727611940298508) internal successors, (33111), 25466 states have internal predecessors, (33111), 10296 states have call successors, (10296), 1574 states have call predecessors, (10296), 1569 states have return successors, (10740), 9690 states have call predecessors, (10740), 10294 states have call successors, (10740) [2021-11-17 13:16:53,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36018 states to 36018 states and 54147 transitions. [2021-11-17 13:16:53,959 INFO L78 Accepts]: Start accepts. Automaton has 36018 states and 54147 transitions. Word has length 128 [2021-11-17 13:16:53,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:16:53,960 INFO L470 AbstractCegarLoop]: Abstraction has 36018 states and 54147 transitions. [2021-11-17 13:16:53,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-17 13:16:53,960 INFO L276 IsEmpty]: Start isEmpty. Operand 36018 states and 54147 transitions. [2021-11-17 13:16:53,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-17 13:16:53,967 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:16:53,967 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:16:53,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 13:16:53,967 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-11-17 13:16:53,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:16:53,968 INFO L85 PathProgramCache]: Analyzing trace with hash -897372326, now seen corresponding path program 1 times [2021-11-17 13:16:53,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:16:53,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458334877] [2021-11-17 13:16:53,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:16:53,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:16:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:54,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:16:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:54,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 13:16:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:54,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:16:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:54,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:16:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:54,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:16:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:54,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 13:16:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:54,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:16:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:54,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:16:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:54,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:16:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:54,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:16:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:54,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 13:16:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:54,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:16:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:54,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 13:16:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:54,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 13:16:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:54,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:16:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:54,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-17 13:16:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:54,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 13:16:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:54,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 13:16:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:16:54,412 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-11-17 13:16:54,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:16:54,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458334877] [2021-11-17 13:16:54,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458334877] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:16:54,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:16:54,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:16:54,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122684445] [2021-11-17 13:16:54,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:16:54,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:16:54,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:16:54,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:16:54,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:16:54,415 INFO L87 Difference]: Start difference. First operand 36018 states and 54147 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 13:16:56,485 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:16:58,546 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:06,740 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:09,204 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:16,174 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:27,261 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:30,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:35,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:17:35,488 INFO L93 Difference]: Finished difference Result 36018 states and 54147 transitions. [2021-11-17 13:17:35,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:17:35,495 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 134 [2021-11-17 13:17:35,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:17:35,704 INFO L225 Difference]: With dead ends: 36018 [2021-11-17 13:17:35,704 INFO L226 Difference]: Without dead ends: 36016 [2021-11-17 13:17:35,734 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:17:35,736 INFO L933 BasicCegarLoop]: 6258 mSDtfsCounter, 11620 mSDsluCounter, 4971 mSDsCounter, 0 mSdLazyCounter, 6164 mSolverCounterSat, 6588 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12042 SdHoareTripleChecker+Valid, 11229 SdHoareTripleChecker+Invalid, 12759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6588 IncrementalHoareTripleChecker+Valid, 6164 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.5s IncrementalHoareTripleChecker+Time [2021-11-17 13:17:35,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12042 Valid, 11229 Invalid, 12759 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6588 Valid, 6164 Invalid, 7 Unknown, 0 Unchecked, 39.5s Time] [2021-11-17 13:17:35,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36016 states. [2021-11-17 13:17:37,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36016 to 36016. [2021-11-17 13:17:37,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36016 states, 24119 states have (on average 1.3726937269372694) internal successors, (33108), 25464 states have internal predecessors, (33108), 10296 states have call successors, (10296), 1574 states have call predecessors, (10296), 1569 states have return successors, (10740), 9690 states have call predecessors, (10740), 10294 states have call successors, (10740) [2021-11-17 13:17:37,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36016 states to 36016 states and 54144 transitions. [2021-11-17 13:17:37,306 INFO L78 Accepts]: Start accepts. Automaton has 36016 states and 54144 transitions. Word has length 134 [2021-11-17 13:17:37,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:17:37,307 INFO L470 AbstractCegarLoop]: Abstraction has 36016 states and 54144 transitions. [2021-11-17 13:17:37,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 13:17:37,307 INFO L276 IsEmpty]: Start isEmpty. Operand 36016 states and 54144 transitions. [2021-11-17 13:17:37,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-17 13:17:37,309 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:17:37,309 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:17:37,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 13:17:37,310 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-11-17 13:17:37,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:17:37,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1602919888, now seen corresponding path program 1 times [2021-11-17 13:17:37,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:17:37,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868126345] [2021-11-17 13:17:37,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:17:37,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:17:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:37,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:17:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:37,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 13:17:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:37,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:17:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:37,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:17:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:37,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:17:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:37,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 13:17:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:37,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:17:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:37,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:17:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:37,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:17:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:37,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:17:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:37,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 13:17:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:37,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:17:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:37,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 13:17:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:37,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 13:17:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:37,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:17:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:37,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-17 13:17:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:37,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 13:17:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:37,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-17 13:17:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:17:37,842 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-17 13:17:37,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:17:37,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868126345] [2021-11-17 13:17:37,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868126345] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:17:37,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:17:37,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 13:17:37,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069677860] [2021-11-17 13:17:37,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:17:37,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 13:17:37,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:17:37,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 13:17:37,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 13:17:37,844 INFO L87 Difference]: Start difference. First operand 36016 states and 54144 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 13:17:39,905 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:42,004 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:52,611 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:54,632 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:57,490 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:17:59,518 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:18:07,263 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:18:09,327 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:18:16,708 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:18:18,711 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:18:26,454 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:18:28,497 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:18:43,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:18:43,132 INFO L93 Difference]: Finished difference Result 36143 states and 54252 transitions. [2021-11-17 13:18:43,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 13:18:43,133 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 137 [2021-11-17 13:18:43,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:18:43,292 INFO L225 Difference]: With dead ends: 36143 [2021-11-17 13:18:43,293 INFO L226 Difference]: Without dead ends: 36141 [2021-11-17 13:18:43,318 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-11-17 13:18:43,318 INFO L933 BasicCegarLoop]: 6265 mSDtfsCounter, 11629 mSDsluCounter, 7849 mSDsCounter, 0 mSdLazyCounter, 10545 mSolverCounterSat, 6584 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12045 SdHoareTripleChecker+Valid, 14114 SdHoareTripleChecker+Invalid, 17141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6584 IncrementalHoareTripleChecker+Valid, 10545 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.5s IncrementalHoareTripleChecker+Time [2021-11-17 13:18:43,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12045 Valid, 14114 Invalid, 17141 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6584 Valid, 10545 Invalid, 12 Unknown, 0 Unchecked, 63.5s Time] [2021-11-17 13:18:43,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36141 states. [2021-11-17 13:18:44,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36141 to 36139. [2021-11-17 13:18:44,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36139 states, 24209 states have (on average 1.3716386467842538) internal successors, (33206), 25554 states have internal predecessors, (33206), 10296 states have call successors, (10296), 1607 states have call predecessors, (10296), 1602 states have return successors, (10740), 9690 states have call predecessors, (10740), 10294 states have call successors, (10740) [2021-11-17 13:18:44,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36139 states to 36139 states and 54242 transitions. [2021-11-17 13:18:44,891 INFO L78 Accepts]: Start accepts. Automaton has 36139 states and 54242 transitions. Word has length 137 [2021-11-17 13:18:44,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:18:44,892 INFO L470 AbstractCegarLoop]: Abstraction has 36139 states and 54242 transitions. [2021-11-17 13:18:44,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-17 13:18:44,892 INFO L276 IsEmpty]: Start isEmpty. Operand 36139 states and 54242 transitions. [2021-11-17 13:18:44,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-17 13:18:44,894 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:18:44,894 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:18:44,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 13:18:44,895 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-11-17 13:18:44,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:18:44,895 INFO L85 PathProgramCache]: Analyzing trace with hash -78054593, now seen corresponding path program 1 times [2021-11-17 13:18:44,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:18:44,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243199767] [2021-11-17 13:18:44,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:18:44,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:18:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:45,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:18:45,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:45,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 13:18:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:45,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:18:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:45,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:18:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:45,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:18:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:45,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 13:18:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:45,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:18:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:45,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:18:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:45,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:18:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:45,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:18:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:45,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 13:18:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:45,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:18:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:45,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 13:18:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:45,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 13:18:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:45,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:18:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:45,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-17 13:18:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:45,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 13:18:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:45,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 13:18:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:45,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 13:18:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:18:45,475 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-11-17 13:18:45,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:18:45,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243199767] [2021-11-17 13:18:45,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243199767] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:18:45,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:18:45,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:18:45,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433132736] [2021-11-17 13:18:45,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:18:45,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:18:45,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:18:45,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:18:45,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:18:45,477 INFO L87 Difference]: Start difference. First operand 36139 states and 54242 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 13:18:47,545 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:18:49,640 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:18:57,553 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:19:00,057 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:19:05,684 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:19:11,425 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:19:17,261 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:19:27,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:19:27,230 INFO L93 Difference]: Finished difference Result 36139 states and 54242 transitions. [2021-11-17 13:19:27,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:19:27,231 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 140 [2021-11-17 13:19:27,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:19:27,376 INFO L225 Difference]: With dead ends: 36139 [2021-11-17 13:19:27,376 INFO L226 Difference]: Without dead ends: 36137 [2021-11-17 13:19:27,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:19:27,405 INFO L933 BasicCegarLoop]: 6256 mSDtfsCounter, 11614 mSDsluCounter, 4971 mSDsCounter, 0 mSdLazyCounter, 6162 mSolverCounterSat, 6588 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12035 SdHoareTripleChecker+Valid, 11227 SdHoareTripleChecker+Invalid, 12757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6588 IncrementalHoareTripleChecker+Valid, 6162 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:19:27,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12035 Valid, 11227 Invalid, 12757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6588 Valid, 6162 Invalid, 7 Unknown, 0 Unchecked, 40.1s Time] [2021-11-17 13:19:27,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36137 states. [2021-11-17 13:19:28,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36137 to 36137. [2021-11-17 13:19:28,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36137 states, 24208 states have (on average 1.3715713813615333) internal successors, (33203), 25552 states have internal predecessors, (33203), 10296 states have call successors, (10296), 1607 states have call predecessors, (10296), 1602 states have return successors, (10740), 9690 states have call predecessors, (10740), 10294 states have call successors, (10740) [2021-11-17 13:19:28,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36137 states to 36137 states and 54239 transitions. [2021-11-17 13:19:28,840 INFO L78 Accepts]: Start accepts. Automaton has 36137 states and 54239 transitions. Word has length 140 [2021-11-17 13:19:28,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:19:28,841 INFO L470 AbstractCegarLoop]: Abstraction has 36137 states and 54239 transitions. [2021-11-17 13:19:28,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-17 13:19:28,841 INFO L276 IsEmpty]: Start isEmpty. Operand 36137 states and 54239 transitions. [2021-11-17 13:19:28,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-17 13:19:28,843 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:19:28,843 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:19:28,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 13:19:28,844 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-11-17 13:19:28,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:19:28,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1428302310, now seen corresponding path program 1 times [2021-11-17 13:19:28,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:19:28,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78509173] [2021-11-17 13:19:28,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:19:28,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:19:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:19:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 13:19:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:19:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:19:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 13:19:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:19:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:19:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:19:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 13:19:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-17 13:19:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:19:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:19:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 13:19:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:19:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:19:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 13:19:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:19:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 13:19:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 13:19:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 13:19:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 13:19:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:29,467 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2021-11-17 13:19:29,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:19:29,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78509173] [2021-11-17 13:19:29,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78509173] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:19:29,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:19:29,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:19:29,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182153416] [2021-11-17 13:19:29,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:19:29,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:19:29,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:19:29,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:19:29,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:19:29,469 INFO L87 Difference]: Start difference. First operand 36137 states and 54239 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 13:19:31,537 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:19:42,843 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:19:55,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:19:55,473 INFO L93 Difference]: Finished difference Result 38721 states and 59347 transitions. [2021-11-17 13:19:55,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 13:19:55,474 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 170 [2021-11-17 13:19:55,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:19:55,644 INFO L225 Difference]: With dead ends: 38721 [2021-11-17 13:19:55,644 INFO L226 Difference]: Without dead ends: 38719 [2021-11-17 13:19:55,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:19:55,672 INFO L933 BasicCegarLoop]: 6832 mSDtfsCounter, 7810 mSDsluCounter, 13760 mSDsCounter, 0 mSdLazyCounter, 5331 mSolverCounterSat, 2944 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8654 SdHoareTripleChecker+Valid, 20592 SdHoareTripleChecker+Invalid, 8277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2944 IncrementalHoareTripleChecker+Valid, 5331 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2021-11-17 13:19:55,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8654 Valid, 20592 Invalid, 8277 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2944 Valid, 5331 Invalid, 2 Unknown, 0 Unchecked, 24.2s Time] [2021-11-17 13:19:55,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38719 states. [2021-11-17 13:19:57,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38719 to 36525. [2021-11-17 13:19:57,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36525 states, 24436 states have (on average 1.3703961368472746) internal successors, (33487), 25816 states have internal predecessors, (33487), 10404 states have call successors, (10404), 1647 states have call predecessors, (10404), 1654 states have return successors, (10896), 9786 states have call predecessors, (10896), 10402 states have call successors, (10896) [2021-11-17 13:19:57,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36525 states to 36525 states and 54787 transitions. [2021-11-17 13:19:57,456 INFO L78 Accepts]: Start accepts. Automaton has 36525 states and 54787 transitions. Word has length 170 [2021-11-17 13:19:57,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:19:57,456 INFO L470 AbstractCegarLoop]: Abstraction has 36525 states and 54787 transitions. [2021-11-17 13:19:57,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 13:19:57,457 INFO L276 IsEmpty]: Start isEmpty. Operand 36525 states and 54787 transitions. [2021-11-17 13:19:57,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-17 13:19:57,459 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:19:57,459 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:19:57,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 13:19:57,459 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-11-17 13:19:57,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:19:57,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1955464114, now seen corresponding path program 1 times [2021-11-17 13:19:57,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:19:57,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222777724] [2021-11-17 13:19:57,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:19:57,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:19:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:19:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 13:19:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:19:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:19:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 13:19:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:19:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:19:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:19:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 13:19:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:19:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 13:19:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 13:19:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:19:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-17 13:19:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 13:19:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 13:19:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 13:19:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-17 13:19:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:19:57,916 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-11-17 13:19:57,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:19:57,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222777724] [2021-11-17 13:19:57,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222777724] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:19:57,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:19:57,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:19:57,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568313164] [2021-11-17 13:19:57,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:19:57,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:19:57,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:19:57,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:19:57,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:19:57,919 INFO L87 Difference]: Start difference. First operand 36525 states and 54787 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 13:20:00,152 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:20:02,280 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:20:11,120 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:20:13,695 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:20:18,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:20:25,572 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:20:31,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:20:42,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:20:42,092 INFO L93 Difference]: Finished difference Result 36525 states and 54787 transitions. [2021-11-17 13:20:42,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 13:20:42,094 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 146 [2021-11-17 13:20:42,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:20:42,234 INFO L225 Difference]: With dead ends: 36525 [2021-11-17 13:20:42,234 INFO L226 Difference]: Without dead ends: 36523 [2021-11-17 13:20:42,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-17 13:20:42,254 INFO L933 BasicCegarLoop]: 6254 mSDtfsCounter, 11608 mSDsluCounter, 4971 mSDsCounter, 0 mSdLazyCounter, 6160 mSolverCounterSat, 6588 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12028 SdHoareTripleChecker+Valid, 11225 SdHoareTripleChecker+Invalid, 12755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6588 IncrementalHoareTripleChecker+Valid, 6160 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.4s IncrementalHoareTripleChecker+Time [2021-11-17 13:20:42,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12028 Valid, 11225 Invalid, 12755 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6588 Valid, 6160 Invalid, 7 Unknown, 0 Unchecked, 42.4s Time] [2021-11-17 13:20:42,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36523 states. [2021-11-17 13:20:43,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36523 to 36523. [2021-11-17 13:20:43,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36523 states, 24435 states have (on average 1.370329445467567) internal successors, (33484), 25814 states have internal predecessors, (33484), 10404 states have call successors, (10404), 1647 states have call predecessors, (10404), 1654 states have return successors, (10896), 9786 states have call predecessors, (10896), 10402 states have call successors, (10896) [2021-11-17 13:20:43,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36523 states to 36523 states and 54784 transitions. [2021-11-17 13:20:43,938 INFO L78 Accepts]: Start accepts. Automaton has 36523 states and 54784 transitions. Word has length 146 [2021-11-17 13:20:43,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:20:43,938 INFO L470 AbstractCegarLoop]: Abstraction has 36523 states and 54784 transitions. [2021-11-17 13:20:43,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-17 13:20:43,939 INFO L276 IsEmpty]: Start isEmpty. Operand 36523 states and 54784 transitions. [2021-11-17 13:20:43,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-17 13:20:43,941 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:20:43,941 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:20:43,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 13:20:43,941 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-11-17 13:20:43,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:20:43,942 INFO L85 PathProgramCache]: Analyzing trace with hash -400923467, now seen corresponding path program 1 times [2021-11-17 13:20:43,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:20:43,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360362174] [2021-11-17 13:20:43,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:20:43,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:20:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:20:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 13:20:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:20:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:20:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 13:20:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:20:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:20:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:20:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 13:20:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 13:20:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 13:20:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 13:20:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:20:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-17 13:20:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 13:20:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 13:20:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 13:20:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-17 13:20:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 13:20:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:20:44,380 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-11-17 13:20:44,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:20:44,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360362174] [2021-11-17 13:20:44,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360362174] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:20:44,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:20:44,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:20:44,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506702764] [2021-11-17 13:20:44,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:20:44,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:20:44,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:20:44,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:20:44,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:20:44,383 INFO L87 Difference]: Start difference. First operand 36523 states and 54784 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 13:20:46,455 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:20:48,575 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:21:02,998 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:21:05,009 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:21:07,966 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:21:09,990 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:21:15,137 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:21:20,408 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:21:22,637 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:21:24,397 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:21:34,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:21:43,779 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:21:46,533 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:22:07,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:22:11,106 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:22:20,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:22:20,369 INFO L93 Difference]: Finished difference Result 36865 states and 55154 transitions. [2021-11-17 13:22:20,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 13:22:20,369 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 152 [2021-11-17 13:22:20,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:22:20,494 INFO L225 Difference]: With dead ends: 36865 [2021-11-17 13:22:20,494 INFO L226 Difference]: Without dead ends: 36863 [2021-11-17 13:22:20,515 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-17 13:22:20,516 INFO L933 BasicCegarLoop]: 8171 mSDtfsCounter, 16238 mSDsluCounter, 8666 mSDsCounter, 0 mSdLazyCounter, 14218 mSolverCounterSat, 10421 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16654 SdHoareTripleChecker+Valid, 16837 SdHoareTripleChecker+Invalid, 24653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 10421 IncrementalHoareTripleChecker+Valid, 14218 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 93.4s IncrementalHoareTripleChecker+Time [2021-11-17 13:22:20,516 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16654 Valid, 16837 Invalid, 24653 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [10421 Valid, 14218 Invalid, 14 Unknown, 0 Unchecked, 93.4s Time] [2021-11-17 13:22:20,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36863 states. [2021-11-17 13:22:21,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36863 to 36607. [2021-11-17 13:22:21,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36607 states, 24489 states have (on average 1.3695945118216342) internal successors, (33540), 25868 states have internal predecessors, (33540), 10422 states have call successors, (10422), 1659 states have call predecessors, (10422), 1666 states have return successors, (10914), 9804 states have call predecessors, (10914), 10420 states have call successors, (10914) [2021-11-17 13:22:22,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36607 states to 36607 states and 54876 transitions. [2021-11-17 13:22:22,092 INFO L78 Accepts]: Start accepts. Automaton has 36607 states and 54876 transitions. Word has length 152 [2021-11-17 13:22:22,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:22:22,093 INFO L470 AbstractCegarLoop]: Abstraction has 36607 states and 54876 transitions. [2021-11-17 13:22:22,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 13:22:22,093 INFO L276 IsEmpty]: Start isEmpty. Operand 36607 states and 54876 transitions. [2021-11-17 13:22:22,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-17 13:22:22,095 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:22:22,095 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:22:22,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-17 13:22:22,096 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_unregister_chrdev_100Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-11-17 13:22:22,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:22:22,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1109791902, now seen corresponding path program 1 times [2021-11-17 13:22:22,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:22:22,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154814419] [2021-11-17 13:22:22,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:22:22,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:22:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:22:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 13:22:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 13:22:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:22:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 13:22:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:22:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-17 13:22:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 13:22:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 13:22:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 13:22:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 13:22:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 13:22:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 13:22:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 13:22:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-11-17 13:22:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 13:22:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-17 13:22:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:22,570 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-11-17 13:22:22,570 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:22:22,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154814419] [2021-11-17 13:22:22,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154814419] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:22:22,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558670183] [2021-11-17 13:22:22,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:22:22,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:22:22,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:22:22,598 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:22:22,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 13:22:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:24,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 4895 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-17 13:22:24,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:22:24,667 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-17 13:22:24,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 13:22:25,331 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-11-17 13:22:25,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558670183] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 13:22:25,332 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 13:22:25,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2021-11-17 13:22:25,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959002420] [2021-11-17 13:22:25,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 13:22:25,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-17 13:22:25,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:22:25,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-17 13:22:25,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-11-17 13:22:25,333 INFO L87 Difference]: Start difference. First operand 36607 states and 54876 transitions. Second operand has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 13 states have internal predecessors, (116), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-17 13:22:27,408 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:22:36,183 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:22:47,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:22:47,738 INFO L93 Difference]: Finished difference Result 75404 states and 114304 transitions. [2021-11-17 13:22:47,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 13:22:47,739 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 13 states have internal predecessors, (116), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 153 [2021-11-17 13:22:47,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:22:47,925 INFO L225 Difference]: With dead ends: 75404 [2021-11-17 13:22:47,925 INFO L226 Difference]: Without dead ends: 38811 [2021-11-17 13:22:48,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-11-17 13:22:48,053 INFO L933 BasicCegarLoop]: 6845 mSDtfsCounter, 1941 mSDsluCounter, 8201 mSDsCounter, 0 mSdLazyCounter, 3481 mSolverCounterSat, 1533 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2386 SdHoareTripleChecker+Valid, 15046 SdHoareTripleChecker+Invalid, 5016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1533 IncrementalHoareTripleChecker+Valid, 3481 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2021-11-17 13:22:48,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2386 Valid, 15046 Invalid, 5016 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1533 Valid, 3481 Invalid, 2 Unknown, 0 Unchecked, 20.3s Time] [2021-11-17 13:22:48,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38811 states. [2021-11-17 13:22:49,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38811 to 36619. [2021-11-17 13:22:49,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36619 states, 24501 states have (on average 1.369413493326803) internal successors, (33552), 25880 states have internal predecessors, (33552), 10422 states have call successors, (10422), 1659 states have call predecessors, (10422), 1666 states have return successors, (10914), 9804 states have call predecessors, (10914), 10420 states have call successors, (10914) [2021-11-17 13:22:50,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36619 states to 36619 states and 54888 transitions. [2021-11-17 13:22:50,135 INFO L78 Accepts]: Start accepts. Automaton has 36619 states and 54888 transitions. Word has length 153 [2021-11-17 13:22:50,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:22:50,136 INFO L470 AbstractCegarLoop]: Abstraction has 36619 states and 54888 transitions. [2021-11-17 13:22:50,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 13 states have internal predecessors, (116), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-17 13:22:50,136 INFO L276 IsEmpty]: Start isEmpty. Operand 36619 states and 54888 transitions. [2021-11-17 13:22:50,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-17 13:22:50,138 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:22:50,139 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 13:22:50,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-17 13:22:50,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-17 13:22:50,366 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_unregister_chrdev_100Err0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 35 more)] === [2021-11-17 13:22:50,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:22:50,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1677620922, now seen corresponding path program 2 times [2021-11-17 13:22:50,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:22:50,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096205626] [2021-11-17 13:22:50,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:22:50,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:22:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:22:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-17 13:22:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 13:22:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:22:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-17 13:22:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 13:22:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 13:22:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-17 13:22:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 13:22:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 13:22:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 13:22:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 13:22:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 13:22:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 13:22:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 13:22:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 13:22:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 13:22:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-11-17 13:22:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:22:51,328 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-11-17 13:22:51,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:22:51,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096205626] [2021-11-17 13:22:51,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096205626] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:22:51,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993411601] [2021-11-17 13:22:51,329 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-17 13:22:51,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:22:51,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:22:51,330 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:22:51,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process Killed by 15