./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--block--nvme.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa --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 b25ac84d4a20a437c31c3bd685865b0db6f54088dab7ab415bb47113c804a34a --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:12:07,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:12:07,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:12:07,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:12:07,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:12:07,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:12:07,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:12:07,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:12:07,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:12:07,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:12:07,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:12:07,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:12:07,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:12:07,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:12:07,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:12:07,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:12:07,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:12:07,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:12:07,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:12:07,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:12:07,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:12:07,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:12:07,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:12:07,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:12:07,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:12:07,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:12:07,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:12:07,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:12:07,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:12:07,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:12:07,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:12:07,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:12:07,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:12:07,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:12:07,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:12:07,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:12:07,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:12:07,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:12:07,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:12:07,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:12:07,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:12:07,367 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-07 01:12:07,384 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:12:07,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:12:07,384 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:12:07,385 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:12:07,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:12:07,385 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:12:07,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:12:07,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:12:07,386 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:12:07,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:12:07,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:12:07,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:12:07,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:12:07,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:12:07,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:12:07,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:12:07,387 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:12:07,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:12:07,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:12:07,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:12:07,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:12:07,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:12:07,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:12:07,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:12:07,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:12:07,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:12:07,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:12:07,388 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:12:07,388 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:12:07,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:12:07,388 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:12:07,388 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b25ac84d4a20a437c31c3bd685865b0db6f54088dab7ab415bb47113c804a34a [2021-12-07 01:12:07,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:12:07,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:12:07,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:12:07,566 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:12:07,567 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:12:07,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2021-12-07 01:12:07,616 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa/data/ba825ea4f/13f70536a38e4d3e9a9319ee05425253/FLAG2764e11b5 [2021-12-07 01:12:08,289 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:12:08,290 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2021-12-07 01:12:08,330 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa/data/ba825ea4f/13f70536a38e4d3e9a9319ee05425253/FLAG2764e11b5 [2021-12-07 01:12:08,596 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa/data/ba825ea4f/13f70536a38e4d3e9a9319ee05425253 [2021-12-07 01:12:08,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:12:08,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:12:08,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:12:08,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:12:08,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:12:08,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:12:08" (1/1) ... [2021-12-07 01:12:08,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5569f504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:12:08, skipping insertion in model container [2021-12-07 01:12:08,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:12:08" (1/1) ... [2021-12-07 01:12:08,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:12:08,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:12:14,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571462,571475] [2021-12-07 01:12:14,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571607,571620] [2021-12-07 01:12:14,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571753,571766] [2021-12-07 01:12:14,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571918,571931] [2021-12-07 01:12:14,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572076,572089] [2021-12-07 01:12:14,293 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572234,572247] [2021-12-07 01:12:14,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572392,572405] [2021-12-07 01:12:14,294 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572552,572565] [2021-12-07 01:12:14,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572711,572724] [2021-12-07 01:12:14,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572850,572863] [2021-12-07 01:12:14,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572992,573005] [2021-12-07 01:12:14,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573141,573154] [2021-12-07 01:12:14,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573280,573293] [2021-12-07 01:12:14,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573435,573448] [2021-12-07 01:12:14,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573595,573608] [2021-12-07 01:12:14,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573746,573759] [2021-12-07 01:12:14,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573897,573910] [2021-12-07 01:12:14,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574049,574062] [2021-12-07 01:12:14,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574198,574211] [2021-12-07 01:12:14,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574346,574359] [2021-12-07 01:12:14,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574503,574516] [2021-12-07 01:12:14,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574652,574665] [2021-12-07 01:12:14,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574808,574821] [2021-12-07 01:12:14,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574961,574974] [2021-12-07 01:12:14,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575107,575120] [2021-12-07 01:12:14,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575250,575263] [2021-12-07 01:12:14,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575402,575415] [2021-12-07 01:12:14,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575548,575561] [2021-12-07 01:12:14,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575693,575706] [2021-12-07 01:12:14,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575847,575860] [2021-12-07 01:12:14,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575998,576011] [2021-12-07 01:12:14,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576153,576166] [2021-12-07 01:12:14,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576305,576318] [2021-12-07 01:12:14,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576460,576473] [2021-12-07 01:12:14,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576624,576637] [2021-12-07 01:12:14,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576780,576793] [2021-12-07 01:12:14,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576944,576957] [2021-12-07 01:12:14,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577086,577099] [2021-12-07 01:12:14,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577244,577257] [2021-12-07 01:12:14,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577411,577424] [2021-12-07 01:12:14,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577570,577583] [2021-12-07 01:12:14,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577729,577742] [2021-12-07 01:12:14,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577878,577891] [2021-12-07 01:12:14,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578025,578038] [2021-12-07 01:12:14,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578164,578177] [2021-12-07 01:12:14,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578327,578340] [2021-12-07 01:12:14,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578493,578506] [2021-12-07 01:12:14,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578657,578670] [2021-12-07 01:12:14,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578822,578835] [2021-12-07 01:12:14,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578987,579000] [2021-12-07 01:12:14,309 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579153,579166] [2021-12-07 01:12:14,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579318,579331] [2021-12-07 01:12:14,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579485,579498] [2021-12-07 01:12:14,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579645,579658] [2021-12-07 01:12:14,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579807,579820] [2021-12-07 01:12:14,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579966,579979] [2021-12-07 01:12:14,311 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580112,580125] [2021-12-07 01:12:14,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580255,580268] [2021-12-07 01:12:14,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580399,580412] [2021-12-07 01:12:14,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580542,580555] [2021-12-07 01:12:14,312 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580686,580699] [2021-12-07 01:12:14,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580827,580840] [2021-12-07 01:12:14,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580965,580978] [2021-12-07 01:12:14,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581123,581136] [2021-12-07 01:12:14,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581282,581295] [2021-12-07 01:12:14,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581438,581451] [2021-12-07 01:12:14,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581587,581600] [2021-12-07 01:12:14,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581739,581752] [2021-12-07 01:12:14,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581890,581903] [2021-12-07 01:12:14,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582039,582052] [2021-12-07 01:12:14,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582191,582204] [2021-12-07 01:12:14,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582339,582352] [2021-12-07 01:12:14,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582492,582505] [2021-12-07 01:12:14,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582643,582656] [2021-12-07 01:12:14,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582793,582806] [2021-12-07 01:12:14,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582940,582953] [2021-12-07 01:12:14,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583091,583104] [2021-12-07 01:12:14,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583242,583255] [2021-12-07 01:12:14,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583390,583403] [2021-12-07 01:12:14,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583556,583569] [2021-12-07 01:12:14,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583725,583738] [2021-12-07 01:12:14,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583892,583905] [2021-12-07 01:12:14,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584060,584073] [2021-12-07 01:12:14,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584210,584223] [2021-12-07 01:12:14,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584357,584370] [2021-12-07 01:12:14,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584518,584531] [2021-12-07 01:12:14,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584688,584701] [2021-12-07 01:12:14,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584850,584863] [2021-12-07 01:12:14,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:12:14,368 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:12:14,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571462,571475] [2021-12-07 01:12:14,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571607,571620] [2021-12-07 01:12:14,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571753,571766] [2021-12-07 01:12:14,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571918,571931] [2021-12-07 01:12:14,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572076,572089] [2021-12-07 01:12:14,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572234,572247] [2021-12-07 01:12:14,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572392,572405] [2021-12-07 01:12:14,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572552,572565] [2021-12-07 01:12:14,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572711,572724] [2021-12-07 01:12:14,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572850,572863] [2021-12-07 01:12:14,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572992,573005] [2021-12-07 01:12:14,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573141,573154] [2021-12-07 01:12:14,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573280,573293] [2021-12-07 01:12:14,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573435,573448] [2021-12-07 01:12:14,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573595,573608] [2021-12-07 01:12:14,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573746,573759] [2021-12-07 01:12:14,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573897,573910] [2021-12-07 01:12:14,901 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574049,574062] [2021-12-07 01:12:14,901 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574198,574211] [2021-12-07 01:12:14,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574346,574359] [2021-12-07 01:12:14,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574503,574516] [2021-12-07 01:12:14,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574652,574665] [2021-12-07 01:12:14,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574808,574821] [2021-12-07 01:12:14,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574961,574974] [2021-12-07 01:12:14,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575107,575120] [2021-12-07 01:12:14,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575250,575263] [2021-12-07 01:12:14,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575402,575415] [2021-12-07 01:12:14,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575548,575561] [2021-12-07 01:12:14,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575693,575706] [2021-12-07 01:12:14,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575847,575860] [2021-12-07 01:12:14,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575998,576011] [2021-12-07 01:12:14,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576153,576166] [2021-12-07 01:12:14,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576305,576318] [2021-12-07 01:12:14,905 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576460,576473] [2021-12-07 01:12:14,905 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576624,576637] [2021-12-07 01:12:14,905 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576780,576793] [2021-12-07 01:12:14,905 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576944,576957] [2021-12-07 01:12:14,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577086,577099] [2021-12-07 01:12:14,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577244,577257] [2021-12-07 01:12:14,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577411,577424] [2021-12-07 01:12:14,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577570,577583] [2021-12-07 01:12:14,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577729,577742] [2021-12-07 01:12:14,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577878,577891] [2021-12-07 01:12:14,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578025,578038] [2021-12-07 01:12:14,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578164,578177] [2021-12-07 01:12:14,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578327,578340] [2021-12-07 01:12:14,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578493,578506] [2021-12-07 01:12:14,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578657,578670] [2021-12-07 01:12:14,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578822,578835] [2021-12-07 01:12:14,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578987,579000] [2021-12-07 01:12:14,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579153,579166] [2021-12-07 01:12:14,908 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579318,579331] [2021-12-07 01:12:14,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579485,579498] [2021-12-07 01:12:14,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579645,579658] [2021-12-07 01:12:14,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579807,579820] [2021-12-07 01:12:14,909 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579966,579979] [2021-12-07 01:12:14,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580112,580125] [2021-12-07 01:12:14,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580255,580268] [2021-12-07 01:12:14,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580399,580412] [2021-12-07 01:12:14,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580542,580555] [2021-12-07 01:12:14,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580686,580699] [2021-12-07 01:12:14,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580827,580840] [2021-12-07 01:12:14,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580965,580978] [2021-12-07 01:12:14,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581123,581136] [2021-12-07 01:12:14,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581282,581295] [2021-12-07 01:12:14,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581438,581451] [2021-12-07 01:12:14,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581587,581600] [2021-12-07 01:12:14,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581739,581752] [2021-12-07 01:12:14,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581890,581903] [2021-12-07 01:12:14,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582039,582052] [2021-12-07 01:12:14,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582191,582204] [2021-12-07 01:12:14,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582339,582352] [2021-12-07 01:12:14,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582492,582505] [2021-12-07 01:12:14,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582643,582656] [2021-12-07 01:12:14,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582793,582806] [2021-12-07 01:12:14,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582940,582953] [2021-12-07 01:12:14,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583091,583104] [2021-12-07 01:12:14,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583242,583255] [2021-12-07 01:12:14,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583390,583403] [2021-12-07 01:12:14,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583556,583569] [2021-12-07 01:12:14,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583725,583738] [2021-12-07 01:12:14,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583892,583905] [2021-12-07 01:12:14,915 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584060,584073] [2021-12-07 01:12:14,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584210,584223] [2021-12-07 01:12:14,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584357,584370] [2021-12-07 01:12:14,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584518,584531] [2021-12-07 01:12:14,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584688,584701] [2021-12-07 01:12:14,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584850,584863] [2021-12-07 01:12:14,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:12:15,262 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:12:15,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:12:15 WrapperNode [2021-12-07 01:12:15,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:12:15,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:12:15,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:12:15,264 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:12:15,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:12:15" (1/1) ... [2021-12-07 01:12:15,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:12:15" (1/1) ... [2021-12-07 01:12:15,696 INFO L137 Inliner]: procedures = 984, calls = 4896, calls flagged for inlining = 497, calls inlined = 414, statements flattened = 12961 [2021-12-07 01:12:15,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:12:15,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:12:15,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:12:15,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:12:15,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:12:15" (1/1) ... [2021-12-07 01:12:15,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:12:15" (1/1) ... [2021-12-07 01:12:15,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:12:15" (1/1) ... [2021-12-07 01:12:15,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:12:15" (1/1) ... [2021-12-07 01:12:15,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:12:15" (1/1) ... [2021-12-07 01:12:16,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:12:15" (1/1) ... [2021-12-07 01:12:16,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:12:15" (1/1) ... [2021-12-07 01:12:16,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:12:16,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:12:16,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:12:16,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:12:16,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:12:15" (1/1) ... [2021-12-07 01:12:16,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:12:16,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:12:16,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:12:16,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:12:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_127 [2021-12-07 01:12:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_127 [2021-12-07 01:12:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-07 01:12:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_unmap [2021-12-07 01:12:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_unmap [2021-12-07 01:12:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure queue_kthread_work [2021-12-07 01:12:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_kthread_work [2021-12-07 01:12:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_request_queue [2021-12-07 01:12:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_request_queue [2021-12-07 01:12:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_inf_exc_page [2021-12-07 01:12:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_inf_exc_page [2021-12-07 01:12:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_cq [2021-12-07 01:12:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_cq [2021-12-07 01:12:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-07 01:12:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-07 01:12:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2021-12-07 01:12:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2021-12-07 01:12:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_setup_prps [2021-12-07 01:12:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_setup_prps [2021-12-07 01:12:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-07 01:12:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-07 01:12:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-07 01:12:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-07 01:12:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2021-12-07 01:12:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2021-12-07 01:12:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_suspend [2021-12-07 01:12:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_suspend [2021-12-07 01:12:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_copy_to_user [2021-12-07 01:12:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_copy_to_user [2021-12-07 01:12:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_release_instance [2021-12-07 01:12:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_release_instance [2021-12-07 01:12:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-07 01:12:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-07 01:12:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-12-07 01:12:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-12-07 01:12:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_cmd [2021-12-07 01:12:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_cmd [2021-12-07 01:12:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_resume [2021-12-07 01:12:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_resume [2021-12-07 01:12:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_start [2021-12-07 01:12:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_start [2021-12-07 01:12:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-07 01:12:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-07 01:12:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2021-12-07 01:12:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2021-12-07 01:12:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure blk_integrity_unregister [2021-12-07 01:12:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_integrity_unregister [2021-12-07 01:12:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-07 01:12:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-07 01:12:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dif_remap [2021-12-07 01:12:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dif_remap [2021-12-07 01:12:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-07 01:12:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-07 01:12:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_identify [2021-12-07 01:12:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_identify [2021-12-07 01:12:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-07 01:12:16,166 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-07 01:12:16,166 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_ioctl [2021-12-07 01:12:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_ioctl [2021-12-07 01:12:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-07 01:12:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-07 01:12:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-12-07 01:12:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-12-07 01:12:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2021-12-07 01:12:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2021-12-07 01:12:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2021-12-07 01:12:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2021-12-07 01:12:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure db_bar_size [2021-12-07 01:12:16,167 INFO L138 BoogieDeclarations]: Found implementation of procedure db_bar_size [2021-12-07 01:12:16,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-07 01:12:16,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-07 01:12:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_process_cq [2021-12-07 01:12:16,168 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_process_cq [2021-12-07 01:12:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-07 01:12:16,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-07 01:12:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 01:12:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-07 01:12:16,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-07 01:12:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-07 01:12:16,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-07 01:12:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_free_queues [2021-12-07 01:12:16,168 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_free_queues [2021-12-07 01:12:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-12-07 01:12:16,169 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-12-07 01:12:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure queue_request_irq [2021-12-07 01:12:16,169 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_request_irq [2021-12-07 01:12:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_tag_set [2021-12-07 01:12:16,169 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_alloc_tag_set [2021-12-07 01:12:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-07 01:12:16,169 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-07 01:12:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-07 01:12:16,169 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-07 01:12:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-12-07 01:12:16,169 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-12-07 01:12:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2021-12-07 01:12:16,169 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2021-12-07 01:12:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-07 01:12:16,170 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-07 01:12:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_init_queue [2021-12-07 01:12:16,170 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_init_queue [2021-12-07 01:12:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-12-07 01:12:16,170 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-12-07 01:12:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-07 01:12:16,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-07 01:12:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get_unless_zero [2021-12-07 01:12:16,170 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get_unless_zero [2021-12-07 01:12:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2021-12-07 01:12:16,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2021-12-07 01:12:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-07 01:12:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-07 01:12:16,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-12-07 01:12:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2021-12-07 01:12:16,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2021-12-07 01:12:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-07 01:12:16,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-07 01:12:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:12:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-07 01:12:16,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-07 01:12:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-07 01:12:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2021-12-07 01:12:16,171 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2021-12-07 01:12:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-07 01:12:16,171 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_del_queue_end [2021-12-07 01:12:16,172 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_del_queue_end [2021-12-07 01:12:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-07 01:12:16,172 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-07 01:12:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_control_page [2021-12-07 01:12:16,172 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_control_page [2021-12-07 01:12:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2021-12-07 01:12:16,172 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2021-12-07 01:12:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_threaded_irq [2021-12-07 01:12:16,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_threaded_irq [2021-12-07 01:12:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2021-12-07 01:12:16,172 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2021-12-07 01:12:16,172 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_list_remove [2021-12-07 01:12:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_list_remove [2021-12-07 01:12:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-07 01:12:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-07 01:12:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_unmap_user_pages [2021-12-07 01:12:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_unmap_user_pages [2021-12-07 01:12:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_clear_queue [2021-12-07 01:12:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_clear_queue [2021-12-07 01:12:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:12:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:12:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_cmd_size [2021-12-07 01:12:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_cmd_size [2021-12-07 01:12:16,173 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-07 01:12:16,173 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-07 01:12:16,174 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_wait_ready [2021-12-07 01:12:16,174 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_wait_ready [2021-12-07 01:12:16,188 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_revalidate_disk [2021-12-07 01:12:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_revalidate_disk [2021-12-07 01:12:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-07 01:12:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-07 01:12:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-07 01:12:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_info [2021-12-07 01:12:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_info [2021-12-07 01:12:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-07 01:12:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-07 01:12:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_irq_hints [2021-12-07 01:12:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_irq_hints [2021-12-07 01:12:16,189 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-07 01:12:16,189 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-07 01:12:16,190 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_sg_attrs [2021-12-07 01:12:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_sg_attrs [2021-12-07 01:12:16,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-07 01:12:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-07 01:12:16,190 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-07 01:12:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-07 01:12:16,190 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_freeze_queue_start [2021-12-07 01:12:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_freeze_queue_start [2021-12-07 01:12:16,190 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_init_queue [2021-12-07 01:12:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_init_queue [2021-12-07 01:12:16,190 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_io [2021-12-07 01:12:16,190 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_io [2021-12-07 01:12:16,190 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-12-07 01:12:16,191 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-12-07 01:12:16,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-07 01:12:16,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-07 01:12:16,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-12-07 01:12:16,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-12-07 01:12:16,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-07 01:12:16,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-07 01:12:16,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_list_lock [2021-12-07 01:12:16,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_list_lock [2021-12-07 01:12:16,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-07 01:12:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-07 01:12:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-07 01:12:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-07 01:12:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-07 01:12:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-07 01:12:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_node [2021-12-07 01:12:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_node [2021-12-07 01:12:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 01:12:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-07 01:12:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-07 01:12:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_remove [2021-12-07 01:12:16,192 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_remove [2021-12-07 01:12:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-07 01:12:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-07 01:12:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-12-07 01:12:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-12-07 01:12:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2021-12-07 01:12:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2021-12-07 01:12:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-07 01:12:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-07 01:12:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-07 01:12:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-12-07 01:12:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-12-07 01:12:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2021-12-07 01:12:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2021-12-07 01:12:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_dev_list_lock [2021-12-07 01:12:16,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_dev_list_lock [2021-12-07 01:12:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_nvme_queue [2021-12-07 01:12:16,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_nvme_queue [2021-12-07 01:12:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-07 01:12:16,194 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-07 01:12:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_request [2021-12-07 01:12:16,194 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_request [2021-12-07 01:12:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_admin_cmd [2021-12-07 01:12:16,194 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_admin_cmd [2021-12-07 01:12:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-07 01:12:16,194 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-07 01:12:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-07 01:12:16,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-07 01:12:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-07 01:12:16,195 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-07 01:12:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_copy_from_user [2021-12-07 01:12:16,195 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_copy_from_user [2021-12-07 01:12:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-07 01:12:16,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-07 01:12:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-07 01:12:16,195 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-07 01:12:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-07 01:12:16,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-07 01:12:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-07 01:12:16,196 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-07 01:12:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 01:12:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_kick_requeue_list [2021-12-07 01:12:16,196 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_kick_requeue_list [2021-12-07 01:12:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-07 01:12:16,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-07 01:12:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2021-12-07 01:12:16,196 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2021-12-07 01:12:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_worker_fn [2021-12-07 01:12:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2021-12-07 01:12:16,196 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2021-12-07 01:12:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_disable_queue [2021-12-07 01:12:16,196 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_disable_queue [2021-12-07 01:12:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure iod_list [2021-12-07 01:12:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_list [2021-12-07 01:12:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_shutdown [2021-12-07 01:12:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_shutdown [2021-12-07 01:12:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_126 [2021-12-07 01:12:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_126 [2021-12-07 01:12:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_alloc_iod [2021-12-07 01:12:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_alloc_iod [2021-12-07 01:12:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_q_lock_of_nvme_queue [2021-12-07 01:12:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_q_lock_of_nvme_queue [2021-12-07 01:12:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-07 01:12:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-07 01:12:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_hctx_request [2021-12-07 01:12:16,198 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_hctx_request [2021-12-07 01:12:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_status_code [2021-12-07 01:12:16,198 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_status_code [2021-12-07 01:12:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2021-12-07 01:12:16,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2021-12-07 01:12:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_free_iod [2021-12-07 01:12:16,198 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_free_iod [2021-12-07 01:12:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-07 01:12:16,198 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-07 01:12:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-12-07 01:12:16,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-12-07 01:12:16,198 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-07 01:12:16,199 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-07 01:12:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-12-07 01:12:16,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-12-07 01:12:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-07 01:12:16,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-07 01:12:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-07 01:12:16,199 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-07 01:12:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-07 01:12:16,199 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-07 01:12:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-07 01:12:16,199 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-07 01:12:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_complete_request [2021-12-07 01:12:16,199 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_complete_request [2021-12-07 01:12:16,199 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-07 01:12:16,199 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-07 01:12:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-07 01:12:16,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-07 01:12:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-07 01:12:16,200 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-07 01:12:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_caching_page [2021-12-07 01:12:16,200 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_caching_page [2021-12-07 01:12:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_submit_cmd [2021-12-07 01:12:16,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_submit_cmd [2021-12-07 01:12:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2021-12-07 01:12:16,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2021-12-07 01:12:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_get_features [2021-12-07 01:12:16,200 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_get_features [2021-12-07 01:12:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_unfreeze_queue [2021-12-07 01:12:16,200 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_unfreeze_queue [2021-12-07 01:12:16,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-07 01:12:16,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-07 01:12:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-07 01:12:16,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-07 01:12:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_read_capacity [2021-12-07 01:12:16,201 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_read_capacity [2021-12-07 01:12:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-07 01:12:16,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-07 01:12:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2021-12-07 01:12:16,201 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2021-12-07 01:12:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-07 01:12:16,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-07 01:12:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-07 01:12:16,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-07 01:12:16,201 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-12-07 01:12:16,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-12-07 01:12:16,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 01:12:16,202 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-07 01:12:16,202 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-07 01:12:16,202 INFO L130 BoogieDeclarations]: Found specification of procedure iod_get_private [2021-12-07 01:12:16,202 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_get_private [2021-12-07 01:12:16,202 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_remove_admin [2021-12-07 01:12:16,202 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_remove_admin [2021-12-07 01:12:16,202 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_queue [2021-12-07 01:12:16,202 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_queue [2021-12-07 01:12:16,202 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-07 01:12:16,202 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-07 01:12:16,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-07 01:12:16,203 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2021-12-07 01:12:16,203 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2021-12-07 01:12:16,203 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-07 01:12:16,203 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-07 01:12:16,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-07 01:12:16,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2021-12-07 01:12:16,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2021-12-07 01:12:16,203 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_submit_admin_cmd [2021-12-07 01:12:16,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_submit_admin_cmd [2021-12-07 01:12:16,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-07 01:12:16,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-07 01:12:16,203 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_pow_cnd_page [2021-12-07 01:12:16,204 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_pow_cnd_page [2021-12-07 01:12:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_disable_ctrl [2021-12-07 01:12:16,204 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_disable_ctrl [2021-12-07 01:12:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_empty [2021-12-07 01:12:16,204 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_empty [2021-12-07 01:12:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-07 01:12:16,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-07 01:12:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-07 01:12:16,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-07 01:12:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-07 01:12:16,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-07 01:12:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-07 01:12:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-07 01:12:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_resume [2021-12-07 01:12:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_resume [2021-12-07 01:12:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-07 01:12:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-07 01:12:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-12-07 01:12:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-12-07 01:12:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-12-07 01:12:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-12-07 01:12:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-07 01:12:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-07 01:12:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_reset_failed_dev [2021-12-07 01:12:16,205 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_reset_failed_dev [2021-12-07 01:12:16,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_request_queue [2021-12-07 01:12:16,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_request_queue [2021-12-07 01:12:16,206 INFO L130 BoogieDeclarations]: Found specification of procedure blk_integrity_rq [2021-12-07 01:12:16,206 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_integrity_rq [2021-12-07 01:12:16,206 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-12-07 01:12:16,206 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-12-07 01:12:16,206 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 01:12:16,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-07 01:12:16,206 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-07 01:12:16,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-07 01:12:16,206 INFO L130 BoogieDeclarations]: Found specification of procedure fatal_signal_pending [2021-12-07 01:12:16,206 INFO L138 BoogieDeclarations]: Found implementation of procedure fatal_signal_pending [2021-12-07 01:12:16,206 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_alloc_queue [2021-12-07 01:12:16,207 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_alloc_queue [2021-12-07 01:12:16,207 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-07 01:12:16,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-07 01:12:16,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-07 01:12:16,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-07 01:12:16,207 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_io_cmd [2021-12-07 01:12:16,207 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_io_cmd [2021-12-07 01:12:16,207 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-07 01:12:16,207 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-07 01:12:16,207 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-07 01:12:16,207 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-07 01:12:16,207 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-12-07 01:12:16,207 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-12-07 01:12:16,207 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-07 01:12:16,207 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-07 01:12:16,208 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-12-07 01:12:16,208 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-07 01:12:16,208 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-07 01:12:16,208 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_request [2021-12-07 01:12:16,208 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_alloc_request [2021-12-07 01:12:16,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-07 01:12:16,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-07 01:12:16,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-07 01:12:16,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-07 01:12:16,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-07 01:12:16,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2021-12-07 01:12:16,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2021-12-07 01:12:16,208 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_sq [2021-12-07 01:12:16,209 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_sq [2021-12-07 01:12:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-07 01:12:16,209 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-07 01:12:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-12-07 01:12:16,209 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-12-07 01:12:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-12-07 01:12:16,209 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-12-07 01:12:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2021-12-07 01:12:16,209 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2021-12-07 01:12:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure __le64_to_cpup [2021-12-07 01:12:16,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __le64_to_cpup [2021-12-07 01:12:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure work_busy [2021-12-07 01:12:16,209 INFO L138 BoogieDeclarations]: Found implementation of procedure work_busy [2021-12-07 01:12:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_async_del_queue [2021-12-07 01:12:16,209 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_async_del_queue [2021-12-07 01:12:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-07 01:12:16,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-07 01:12:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-07 01:12:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2021-12-07 01:12:16,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2021-12-07 01:12:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-07 01:12:16,210 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-07 01:12:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-07 01:12:16,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-07 01:12:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-07 01:12:16,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-07 01:12:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_user_cmd [2021-12-07 01:12:16,210 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_user_cmd [2021-12-07 01:12:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-07 01:12:16,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-07 01:12:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_block_nr [2021-12-07 01:12:16,211 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_block_nr [2021-12-07 01:12:16,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-07 01:12:16,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-07 01:12:16,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-07 01:12:16,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-07 01:12:16,211 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_reset_workfn [2021-12-07 01:12:16,211 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_reset_workfn [2021-12-07 01:12:16,211 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-12-07 01:12:16,211 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-12-07 01:12:16,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2021-12-07 01:12:16,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2021-12-07 01:12:16,211 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-07 01:12:16,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-12-07 01:12:16,211 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_sync_cmd [2021-12-07 01:12:16,211 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_sync_cmd [2021-12-07 01:12:16,212 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_shutdown [2021-12-07 01:12:16,212 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_shutdown [2021-12-07 01:12:16,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-07 01:12:16,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-07 01:12:16,212 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_npages [2021-12-07 01:12:16,212 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_npages [2021-12-07 01:12:16,212 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-07 01:12:16,212 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-07 01:12:16,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-07 01:12:16,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-07 01:12:16,212 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_map_user_pages [2021-12-07 01:12:16,212 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_map_user_pages [2021-12-07 01:12:16,212 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_remove [2021-12-07 01:12:16,212 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_remove [2021-12-07 01:12:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-07 01:12:16,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-07 01:12:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_ioctl [2021-12-07 01:12:16,213 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_ioctl [2021-12-07 01:12:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-07 01:12:16,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-07 01:12:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_release_prp_pools [2021-12-07 01:12:16,213 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_release_prp_pools [2021-12-07 01:12:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_mode_page_create [2021-12-07 01:12:16,213 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_mode_page_create [2021-12-07 01:12:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-07 01:12:16,213 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-07 01:12:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-07 01:12:16,213 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-07 01:12:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_send_fw_cmd [2021-12-07 01:12:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_send_fw_cmd [2021-12-07 01:12:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2021-12-07 01:12:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2021-12-07 01:12:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure iod_init [2021-12-07 01:12:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_init [2021-12-07 01:12:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_reset [2021-12-07 01:12:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_reset [2021-12-07 01:12:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-12-07 01:12:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-12-07 01:12:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-07 01:12:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-07 01:12:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-07 01:12:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-07 01:12:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2021-12-07 01:12:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2021-12-07 01:12:16,215 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_suspend_queue [2021-12-07 01:12:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_suspend_queue [2021-12-07 01:12:16,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-07 01:12:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-07 01:12:16,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-07 01:12:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-07 01:12:16,215 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_completion [2021-12-07 01:12:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_completion [2021-12-07 01:12:16,215 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-07 01:12:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-07 01:12:16,215 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_features [2021-12-07 01:12:16,215 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_features [2021-12-07 01:12:16,215 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-07 01:12:16,216 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-07 01:12:16,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:12:16,216 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-12-07 01:12:16,216 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-12-07 01:12:16,216 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2021-12-07 01:12:16,216 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2021-12-07 01:12:16,216 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-07 01:12:17,091 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:12:17,095 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:12:30,515 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-07 01:12:45,114 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:12:45,139 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:12:45,139 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-12-07 01:12:45,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:12:45 BoogieIcfgContainer [2021-12-07 01:12:45,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:12:45,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:12:45,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:12:45,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:12:45,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:12:08" (1/3) ... [2021-12-07 01:12:45,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393a1748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:12:45, skipping insertion in model container [2021-12-07 01:12:45,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:12:15" (2/3) ... [2021-12-07 01:12:45,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393a1748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:12:45, skipping insertion in model container [2021-12-07 01:12:45,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:12:45" (3/3) ... [2021-12-07 01:12:45,152 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2021-12-07 01:12:45,156 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:12:45,156 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-12-07 01:12:45,200 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:12:45,205 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 01:12:45,205 INFO L340 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2021-12-07 01:12:45,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 4408 states, 3054 states have (on average 1.3071381794368042) internal successors, (3992), 3161 states have internal predecessors, (3992), 1074 states have call successors, (1074), 249 states have call predecessors, (1074), 248 states have return successors, (1066), 1057 states have call predecessors, (1066), 1066 states have call successors, (1066) [2021-12-07 01:12:45,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-07 01:12:45,279 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:12:45,279 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:12:45,280 INFO L402 AbstractCegarLoop]: === Iteration 1 === 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 34 more)] === [2021-12-07 01:12:45,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:12:45,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1101588570, now seen corresponding path program 1 times [2021-12-07 01:12:45,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:12:45,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252827969] [2021-12-07 01:12:45,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:12:45,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:12:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:12:45,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:12:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:12:45,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:12:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:12:45,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:12:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:12:45,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:12:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:12:45,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:12:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:12:45,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:12:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:12:45,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 01:12:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:12:45,810 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-07 01:12:45,810 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:12:45,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252827969] [2021-12-07 01:12:45,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252827969] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:12:45,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:12:45,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:12:45,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007122838] [2021-12-07 01:12:45,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:12:45,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:12:45,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:12:45,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:12:45,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:12:45,844 INFO L87 Difference]: Start difference. First operand has 4408 states, 3054 states have (on average 1.3071381794368042) internal successors, (3992), 3161 states have internal predecessors, (3992), 1074 states have call successors, (1074), 249 states have call predecessors, (1074), 248 states have return successors, (1066), 1057 states have call predecessors, (1066), 1066 states have call successors, (1066) Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-07 01:12:50,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:12:54,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:12:56,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:12:58,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:13:02,150 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:13:08,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:13:10,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:13:13,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:13:15,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:13:17,664 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:13:19,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:13:27,913 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 01:13:40,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:13:40,740 INFO L93 Difference]: Finished difference Result 13014 states and 18875 transitions. [2021-12-07 01:13:40,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 01:13:40,742 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2021-12-07 01:13:40,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:13:40,807 INFO L225 Difference]: With dead ends: 13014 [2021-12-07 01:13:40,807 INFO L226 Difference]: Without dead ends: 8612 [2021-12-07 01:13:40,848 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:13:40,850 INFO L933 BasicCegarLoop]: 5538 mSDtfsCounter, 17264 mSDsluCounter, 5009 mSDsCounter, 0 mSdLazyCounter, 11863 mSolverCounterSat, 9168 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17438 SdHoareTripleChecker+Valid, 10547 SdHoareTripleChecker+Invalid, 21043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9168 IncrementalHoareTripleChecker+Valid, 11863 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.7s IncrementalHoareTripleChecker+Time [2021-12-07 01:13:40,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17438 Valid, 10547 Invalid, 21043 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9168 Valid, 11863 Invalid, 12 Unknown, 0 Unchecked, 53.7s Time] [2021-12-07 01:13:40,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8612 states. [2021-12-07 01:13:41,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8612 to 8403. [2021-12-07 01:13:41,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8403 states, 5844 states have (on average 1.2813141683778233) internal successors, (7488), 6020 states have internal predecessors, (7488), 2048 states have call successors, (2048), 476 states have call predecessors, (2048), 475 states have return successors, (2102), 2026 states have call predecessors, (2102), 2046 states have call successors, (2102) [2021-12-07 01:13:41,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8403 states to 8403 states and 11638 transitions. [2021-12-07 01:13:41,320 INFO L78 Accepts]: Start accepts. Automaton has 8403 states and 11638 transitions. Word has length 51 [2021-12-07 01:13:41,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:13:41,321 INFO L470 AbstractCegarLoop]: Abstraction has 8403 states and 11638 transitions. [2021-12-07 01:13:41,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-07 01:13:41,322 INFO L276 IsEmpty]: Start isEmpty. Operand 8403 states and 11638 transitions. [2021-12-07 01:13:41,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-07 01:13:41,325 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:13:41,325 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:13:41,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:13:41,326 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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 34 more)] === [2021-12-07 01:13:41,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:13:41,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1359046, now seen corresponding path program 1 times [2021-12-07 01:13:41,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:13:41,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429569436] [2021-12-07 01:13:41,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:13:41,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:13:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:41,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:13:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:41,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:13:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:41,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:13:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:41,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:13:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:41,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:13:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:41,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:13:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:41,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 01:13:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:41,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:13:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:41,625 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-07 01:13:41,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:13:41,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429569436] [2021-12-07 01:13:41,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429569436] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:13:41,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:13:41,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:13:41,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592210556] [2021-12-07 01:13:41,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:13:41,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:13:41,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:13:41,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:13:41,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:13:41,628 INFO L87 Difference]: Start difference. First operand 8403 states and 11638 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-07 01:13:46,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:13:49,313 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:13:51,373 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:13:53,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:13:58,350 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 01:14:01,257 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:14:03,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:14:07,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:14:09,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:14:11,491 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:14:13,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:14:15,599 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:14:17,692 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:14:21,001 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:14:40,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:14:40,119 INFO L93 Difference]: Finished difference Result 16759 states and 23414 transitions. [2021-12-07 01:14:40,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 01:14:40,120 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 57 [2021-12-07 01:14:40,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:14:40,216 INFO L225 Difference]: With dead ends: 16759 [2021-12-07 01:14:40,216 INFO L226 Difference]: Without dead ends: 16757 [2021-12-07 01:14:40,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:14:40,224 INFO L933 BasicCegarLoop]: 5335 mSDtfsCounter, 17385 mSDsluCounter, 4714 mSDsCounter, 0 mSdLazyCounter, 11792 mSolverCounterSat, 9265 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17565 SdHoareTripleChecker+Valid, 10049 SdHoareTripleChecker+Invalid, 21071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9265 IncrementalHoareTripleChecker+Valid, 11792 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:14:40,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17565 Valid, 10049 Invalid, 21071 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9265 Valid, 11792 Invalid, 14 Unknown, 0 Unchecked, 57.5s Time] [2021-12-07 01:14:40,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16757 states. [2021-12-07 01:14:40,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16757 to 16544. [2021-12-07 01:14:40,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16544 states, 11525 states have (on average 1.2825162689804772) internal successors, (14781), 11845 states have internal predecessors, (14781), 4050 states have call successors, (4050), 934 states have call predecessors, (4050), 933 states have return successors, (4362), 4002 states have call predecessors, (4362), 4048 states have call successors, (4362) [2021-12-07 01:14:40,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16544 states to 16544 states and 23193 transitions. [2021-12-07 01:14:40,810 INFO L78 Accepts]: Start accepts. Automaton has 16544 states and 23193 transitions. Word has length 57 [2021-12-07 01:14:40,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:14:40,810 INFO L470 AbstractCegarLoop]: Abstraction has 16544 states and 23193 transitions. [2021-12-07 01:14:40,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-07 01:14:40,810 INFO L276 IsEmpty]: Start isEmpty. Operand 16544 states and 23193 transitions. [2021-12-07 01:14:40,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-12-07 01:14:40,813 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:14:40,813 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:14:40,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:14:40,813 INFO L402 AbstractCegarLoop]: === Iteration 3 === 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 34 more)] === [2021-12-07 01:14:40,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:14:40,813 INFO L85 PathProgramCache]: Analyzing trace with hash 649822148, now seen corresponding path program 1 times [2021-12-07 01:14:40,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:14:40,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411810668] [2021-12-07 01:14:40,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:14:40,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:14:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:14:40,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:14:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:14:40,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 01:14:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:14:40,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:14:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:14:41,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 01:14:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:14:41,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:14:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:14:41,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-07 01:14:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:14:41,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 01:14:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:14:41,059 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-07 01:14:41,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:14:41,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411810668] [2021-12-07 01:14:41,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411810668] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:14:41,060 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:14:41,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:14:41,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341523769] [2021-12-07 01:14:41,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:14:41,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:14:41,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:14:41,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:14:41,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:14:41,061 INFO L87 Difference]: Start difference. First operand 16544 states and 23193 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-07 01:14:51,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:14:53,338 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:14:58,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:15:00,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:15:04,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:04,127 INFO L93 Difference]: Finished difference Result 28783 states and 40916 transitions. [2021-12-07 01:15:04,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:15:04,127 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 59 [2021-12-07 01:15:04,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:04,234 INFO L225 Difference]: With dead ends: 28783 [2021-12-07 01:15:04,234 INFO L226 Difference]: Without dead ends: 28781 [2021-12-07 01:15:04,245 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:15:04,246 INFO L933 BasicCegarLoop]: 6490 mSDtfsCounter, 7786 mSDsluCounter, 16270 mSDsCounter, 0 mSdLazyCounter, 6293 mSolverCounterSat, 2712 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8584 SdHoareTripleChecker+Valid, 22760 SdHoareTripleChecker+Invalid, 9009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2712 IncrementalHoareTripleChecker+Valid, 6293 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:04,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8584 Valid, 22760 Invalid, 9009 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2712 Valid, 6293 Invalid, 4 Unknown, 0 Unchecked, 22.1s Time] [2021-12-07 01:15:04,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28781 states. [2021-12-07 01:15:05,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28781 to 26692. [2021-12-07 01:15:05,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26692 states, 18316 states have (on average 1.2606464293513868) internal successors, (23090), 18831 states have internal predecessors, (23090), 6614 states have call successors, (6614), 1688 states have call predecessors, (6614), 1727 states have return successors, (7537), 6566 states have call predecessors, (7537), 6612 states have call successors, (7537) [2021-12-07 01:15:05,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26692 states to 26692 states and 37241 transitions. [2021-12-07 01:15:05,265 INFO L78 Accepts]: Start accepts. Automaton has 26692 states and 37241 transitions. Word has length 59 [2021-12-07 01:15:05,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:05,266 INFO L470 AbstractCegarLoop]: Abstraction has 26692 states and 37241 transitions. [2021-12-07 01:15:05,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-07 01:15:05,266 INFO L276 IsEmpty]: Start isEmpty. Operand 26692 states and 37241 transitions. [2021-12-07 01:15:05,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-07 01:15:05,268 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:05,268 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:05,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:15:05,269 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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 34 more)] === [2021-12-07 01:15:05,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:05,269 INFO L85 PathProgramCache]: Analyzing trace with hash 654427044, now seen corresponding path program 1 times [2021-12-07 01:15:05,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:05,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800579302] [2021-12-07 01:15:05,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:05,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:05,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:15:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:05,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:15:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:05,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:15:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:05,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:15:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:05,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:15:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:05,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:15:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:05,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 01:15:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:05,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:15:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:05,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-07 01:15:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:05,514 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-07 01:15:05,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:05,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800579302] [2021-12-07 01:15:05,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800579302] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:05,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:05,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:15:05,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423418044] [2021-12-07 01:15:05,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:05,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:15:05,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:05,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:15:05,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:15:05,516 INFO L87 Difference]: Start difference. First operand 26692 states and 37241 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-07 01:15:09,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:15:12,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:15:14,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:15:16,443 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:15:28,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:28,380 INFO L93 Difference]: Finished difference Result 26692 states and 37241 transitions. [2021-12-07 01:15:28,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:15:28,381 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2021-12-07 01:15:28,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:28,464 INFO L225 Difference]: With dead ends: 26692 [2021-12-07 01:15:28,464 INFO L226 Difference]: Without dead ends: 26690 [2021-12-07 01:15:28,475 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:15:28,476 INFO L933 BasicCegarLoop]: 5082 mSDtfsCounter, 10714 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5444 mSolverCounterSat, 5482 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10889 SdHoareTripleChecker+Valid, 7794 SdHoareTripleChecker+Invalid, 10930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5482 IncrementalHoareTripleChecker+Valid, 5444 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:28,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10889 Valid, 7794 Invalid, 10930 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5482 Valid, 5444 Invalid, 4 Unknown, 0 Unchecked, 21.9s Time] [2021-12-07 01:15:28,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26690 states. [2021-12-07 01:15:29,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26690 to 26690. [2021-12-07 01:15:29,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26690 states, 18315 states have (on average 1.2606060606060605) internal successors, (23088), 18829 states have internal predecessors, (23088), 6614 states have call successors, (6614), 1688 states have call predecessors, (6614), 1727 states have return successors, (7537), 6566 states have call predecessors, (7537), 6612 states have call successors, (7537) [2021-12-07 01:15:29,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26690 states to 26690 states and 37239 transitions. [2021-12-07 01:15:29,410 INFO L78 Accepts]: Start accepts. Automaton has 26690 states and 37239 transitions. Word has length 63 [2021-12-07 01:15:29,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:29,410 INFO L470 AbstractCegarLoop]: Abstraction has 26690 states and 37239 transitions. [2021-12-07 01:15:29,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-07 01:15:29,410 INFO L276 IsEmpty]: Start isEmpty. Operand 26690 states and 37239 transitions. [2021-12-07 01:15:29,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-12-07 01:15:29,412 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:29,412 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:15:29,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 01:15:29,413 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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 34 more)] === [2021-12-07 01:15:29,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:29,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1723350941, now seen corresponding path program 1 times [2021-12-07 01:15:29,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:29,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309751587] [2021-12-07 01:15:29,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:29,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:29,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:15:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:29,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:15:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:29,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:15:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:29,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:15:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:29,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:15:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:29,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:15:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:29,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 01:15:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:29,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:15:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:29,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-07 01:15:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:29,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-07 01:15:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:29,656 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-07 01:15:29,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:29,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309751587] [2021-12-07 01:15:29,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309751587] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:29,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:29,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:15:29,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400871757] [2021-12-07 01:15:29,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:29,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:15:29,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:29,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:15:29,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:15:29,658 INFO L87 Difference]: Start difference. First operand 26690 states and 37239 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-07 01:15:34,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:15:36,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:15:38,855 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:15:40,924 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:15:52,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:15:52,619 INFO L93 Difference]: Finished difference Result 26690 states and 37239 transitions. [2021-12-07 01:15:52,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:15:52,619 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 69 [2021-12-07 01:15:52,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:15:52,699 INFO L225 Difference]: With dead ends: 26690 [2021-12-07 01:15:52,700 INFO L226 Difference]: Without dead ends: 26688 [2021-12-07 01:15:52,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:15:52,714 INFO L933 BasicCegarLoop]: 5081 mSDtfsCounter, 10709 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5441 mSolverCounterSat, 5454 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10910 SdHoareTripleChecker+Valid, 7793 SdHoareTripleChecker+Invalid, 10899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5454 IncrementalHoareTripleChecker+Valid, 5441 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:15:52,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10910 Valid, 7793 Invalid, 10899 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 5441 Invalid, 4 Unknown, 0 Unchecked, 22.0s Time] [2021-12-07 01:15:52,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26688 states. [2021-12-07 01:15:53,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26688 to 26688. [2021-12-07 01:15:53,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26688 states, 18314 states have (on average 1.2605656874522224) internal successors, (23086), 18827 states have internal predecessors, (23086), 6614 states have call successors, (6614), 1688 states have call predecessors, (6614), 1727 states have return successors, (7537), 6566 states have call predecessors, (7537), 6612 states have call successors, (7537) [2021-12-07 01:15:53,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26688 states to 26688 states and 37237 transitions. [2021-12-07 01:15:53,641 INFO L78 Accepts]: Start accepts. Automaton has 26688 states and 37237 transitions. Word has length 69 [2021-12-07 01:15:53,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:15:53,642 INFO L470 AbstractCegarLoop]: Abstraction has 26688 states and 37237 transitions. [2021-12-07 01:15:53,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-07 01:15:53,642 INFO L276 IsEmpty]: Start isEmpty. Operand 26688 states and 37237 transitions. [2021-12-07 01:15:53,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-12-07 01:15:53,643 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:15:53,643 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-12-07 01:15:53,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 01:15:53,643 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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 34 more)] === [2021-12-07 01:15:53,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:15:53,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1803048832, now seen corresponding path program 1 times [2021-12-07 01:15:53,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:15:53,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598017933] [2021-12-07 01:15:53,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:15:53,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:15:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:53,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:15:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:53,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 01:15:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:53,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:15:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:53,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 01:15:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:53,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:15:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:53,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-07 01:15:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:53,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 01:15:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:53,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-07 01:15:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:53,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-07 01:15:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:15:53,945 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-07 01:15:53,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:15:53,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598017933] [2021-12-07 01:15:53,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598017933] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:15:53,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:15:53,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:15:53,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440542654] [2021-12-07 01:15:53,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:15:53,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:15:53,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:15:53,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:15:53,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:15:53,947 INFO L87 Difference]: Start difference. First operand 26688 states and 37237 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-07 01:16:01,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:16:03,612 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:16:07,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:16:07,439 INFO L93 Difference]: Finished difference Result 28362 states and 40432 transitions. [2021-12-07 01:16:07,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:16:07,439 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 72 [2021-12-07 01:16:07,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:16:07,536 INFO L225 Difference]: With dead ends: 28362 [2021-12-07 01:16:07,536 INFO L226 Difference]: Without dead ends: 28360 [2021-12-07 01:16:07,549 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:16:07,550 INFO L933 BasicCegarLoop]: 5747 mSDtfsCounter, 6631 mSDsluCounter, 12139 mSDsCounter, 0 mSdLazyCounter, 3929 mSolverCounterSat, 2045 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7221 SdHoareTripleChecker+Valid, 17886 SdHoareTripleChecker+Invalid, 5976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2045 IncrementalHoareTripleChecker+Valid, 3929 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2021-12-07 01:16:07,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7221 Valid, 17886 Invalid, 5976 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2045 Valid, 3929 Invalid, 2 Unknown, 0 Unchecked, 12.4s Time] [2021-12-07 01:16:07,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28360 states. [2021-12-07 01:16:08,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28360 to 26686. [2021-12-07 01:16:08,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26686 states, 18313 states have (on average 1.2601430677660679) internal successors, (23077), 18825 states have internal predecessors, (23077), 6614 states have call successors, (6614), 1688 states have call predecessors, (6614), 1727 states have return successors, (7537), 6566 states have call predecessors, (7537), 6612 states have call successors, (7537) [2021-12-07 01:16:08,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26686 states to 26686 states and 37228 transitions. [2021-12-07 01:16:08,567 INFO L78 Accepts]: Start accepts. Automaton has 26686 states and 37228 transitions. Word has length 72 [2021-12-07 01:16:08,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:16:08,568 INFO L470 AbstractCegarLoop]: Abstraction has 26686 states and 37228 transitions. [2021-12-07 01:16:08,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-07 01:16:08,568 INFO L276 IsEmpty]: Start isEmpty. Operand 26686 states and 37228 transitions. [2021-12-07 01:16:08,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-12-07 01:16:08,569 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:16:08,569 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:16:08,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 01:16:08,569 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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 34 more)] === [2021-12-07 01:16:08,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:16:08,570 INFO L85 PathProgramCache]: Analyzing trace with hash -248227078, now seen corresponding path program 1 times [2021-12-07 01:16:08,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:16:08,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605905293] [2021-12-07 01:16:08,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:16:08,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:16:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:08,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:16:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:08,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:16:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:08,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:16:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:08,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:16:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:08,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:16:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:08,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:16:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:08,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 01:16:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:08,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:16:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:08,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-07 01:16:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:08,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-07 01:16:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:08,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 01:16:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:16:08,805 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-07 01:16:08,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:16:08,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605905293] [2021-12-07 01:16:08,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605905293] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:16:08,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:16:08,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:16:08,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089599545] [2021-12-07 01:16:08,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:16:08,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:16:08,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:16:08,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:16:08,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:16:08,808 INFO L87 Difference]: Start difference. First operand 26686 states and 37228 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-07 01:16:13,549 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:16:16,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:16:18,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:16:20,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:16:24,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:16:28,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:16:30,599 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:16:35,068 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:16:37,074 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:16:39,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:16:41,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:16:43,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:16:45,260 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:16:50,683 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:16:52,842 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:17:03,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:17:03,548 INFO L93 Difference]: Finished difference Result 27093 states and 37697 transitions. [2021-12-07 01:17:03,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-07 01:17:03,549 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 75 [2021-12-07 01:17:03,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:17:03,628 INFO L225 Difference]: With dead ends: 27093 [2021-12-07 01:17:03,628 INFO L226 Difference]: Without dead ends: 27091 [2021-12-07 01:17:03,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:17:03,641 INFO L933 BasicCegarLoop]: 5485 mSDtfsCounter, 14323 mSDsluCounter, 4593 mSDsCounter, 0 mSdLazyCounter, 9113 mSolverCounterSat, 7629 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14521 SdHoareTripleChecker+Valid, 10078 SdHoareTripleChecker+Invalid, 16757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7629 IncrementalHoareTripleChecker+Valid, 9113 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:17:03,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14521 Valid, 10078 Invalid, 16757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7629 Valid, 9113 Invalid, 15 Unknown, 0 Unchecked, 53.5s Time] [2021-12-07 01:17:03,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27091 states. [2021-12-07 01:17:04,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27091 to 26917. [2021-12-07 01:17:04,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26917 states, 18517 states have (on average 1.2600313225684505) internal successors, (23332), 19029 states have internal predecessors, (23332), 6632 states have call successors, (6632), 1697 states have call predecessors, (6632), 1736 states have return successors, (7555), 6584 states have call predecessors, (7555), 6630 states have call successors, (7555) [2021-12-07 01:17:04,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26917 states to 26917 states and 37519 transitions. [2021-12-07 01:17:04,568 INFO L78 Accepts]: Start accepts. Automaton has 26917 states and 37519 transitions. Word has length 75 [2021-12-07 01:17:04,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:17:04,568 INFO L470 AbstractCegarLoop]: Abstraction has 26917 states and 37519 transitions. [2021-12-07 01:17:04,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-07 01:17:04,569 INFO L276 IsEmpty]: Start isEmpty. Operand 26917 states and 37519 transitions. [2021-12-07 01:17:04,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-07 01:17:04,570 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:17:04,570 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:17:04,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 01:17:04,570 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:17:04,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:17:04,570 INFO L85 PathProgramCache]: Analyzing trace with hash -285808940, now seen corresponding path program 1 times [2021-12-07 01:17:04,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:17:04,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747207727] [2021-12-07 01:17:04,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:17:04,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:17:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:04,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:17:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:04,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:17:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:04,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:17:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:04,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:17:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:04,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:17:04,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:04,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:17:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:04,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 01:17:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:04,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-07 01:17:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:04,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-07 01:17:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:04,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-07 01:17:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:04,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-07 01:17:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:17:04,946 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-07 01:17:04,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:17:04,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747207727] [2021-12-07 01:17:05,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747207727] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:17:05,008 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:17:05,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 01:17:05,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430114960] [2021-12-07 01:17:05,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:17:05,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-07 01:17:05,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:17:05,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 01:17:05,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:17:05,009 INFO L87 Difference]: Start difference. First operand 26917 states and 37519 transitions. Second operand has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 4 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-07 01:17:12,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:14,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:16,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:19,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:21,935 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:23,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:26,061 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:28,068 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:30,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:32,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:34,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:36,301 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:42,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:44,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:46,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:48,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:52,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:54,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:56,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:17:58,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:18:00,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:18:02,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:18:04,903 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:18:06,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:18:08,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:18:11,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:18:13,067 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:18:15,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:18:17,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 01:18:19,945 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 01:18:30,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:18:32,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:18:41,373 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:18:55,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:18:55,772 INFO L93 Difference]: Finished difference Result 37015 states and 51040 transitions. [2021-12-07 01:18:55,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:18:55,773 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 4 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 77 [2021-12-07 01:18:55,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:18:55,875 INFO L225 Difference]: With dead ends: 37015 [2021-12-07 01:18:55,875 INFO L226 Difference]: Without dead ends: 36500 [2021-12-07 01:18:55,887 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-12-07 01:18:55,888 INFO L933 BasicCegarLoop]: 5185 mSDtfsCounter, 14093 mSDsluCounter, 7629 mSDsCounter, 0 mSdLazyCounter, 18446 mSolverCounterSat, 7684 mSolverCounterUnsat, 33 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 102.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14204 SdHoareTripleChecker+Valid, 12814 SdHoareTripleChecker+Invalid, 26163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7684 IncrementalHoareTripleChecker+Valid, 18446 IncrementalHoareTripleChecker+Invalid, 33 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 108.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:18:55,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14204 Valid, 12814 Invalid, 26163 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7684 Valid, 18446 Invalid, 33 Unknown, 0 Unchecked, 108.9s Time] [2021-12-07 01:18:55,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36500 states. [2021-12-07 01:18:57,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36500 to 36105. [2021-12-07 01:18:57,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36105 states, 24701 states have (on average 1.2510424679162786) internal successors, (30902), 25375 states have internal predecessors, (30902), 8874 states have call successors, (8874), 2439 states have call predecessors, (8874), 2498 states have return successors, (10205), 8806 states have call predecessors, (10205), 8872 states have call successors, (10205) [2021-12-07 01:18:57,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36105 states to 36105 states and 49981 transitions. [2021-12-07 01:18:57,208 INFO L78 Accepts]: Start accepts. Automaton has 36105 states and 49981 transitions. Word has length 77 [2021-12-07 01:18:57,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:18:57,208 INFO L470 AbstractCegarLoop]: Abstraction has 36105 states and 49981 transitions. [2021-12-07 01:18:57,208 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 4 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-07 01:18:57,208 INFO L276 IsEmpty]: Start isEmpty. Operand 36105 states and 49981 transitions. [2021-12-07 01:18:57,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-07 01:18:57,210 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:18:57,210 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:18:57,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 01:18:57,210 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_char_dev_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 34 more)] === [2021-12-07 01:18:57,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:18:57,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1741440128, now seen corresponding path program 1 times [2021-12-07 01:18:57,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:18:57,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385266409] [2021-12-07 01:18:57,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:18:57,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:18:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:57,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:18:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:57,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:18:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:57,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:18:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:57,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:18:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:57,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:18:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:57,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:18:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:57,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 01:18:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:57,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:18:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:57,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-07 01:18:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:57,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-07 01:18:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:57,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 01:18:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:57,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-07 01:18:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:18:57,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-07 01:18:57,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:18:57,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385266409] [2021-12-07 01:18:57,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385266409] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:18:57,447 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:18:57,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:18:57,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912498228] [2021-12-07 01:18:57,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:18:57,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:18:57,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:18:57,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:18:57,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:18:57,449 INFO L87 Difference]: Start difference. First operand 36105 states and 49981 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, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-07 01:19:01,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:19:04,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:19:06,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:19:08,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:19:12,087 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:19:24,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:24,868 INFO L93 Difference]: Finished difference Result 36105 states and 49981 transitions. [2021-12-07 01:19:24,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:19:24,869 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, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 81 [2021-12-07 01:19:24,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:24,981 INFO L225 Difference]: With dead ends: 36105 [2021-12-07 01:19:24,981 INFO L226 Difference]: Without dead ends: 36103 [2021-12-07 01:19:24,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:19:24,994 INFO L933 BasicCegarLoop]: 5077 mSDtfsCounter, 10697 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5436 mSolverCounterSat, 5454 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10896 SdHoareTripleChecker+Valid, 7789 SdHoareTripleChecker+Invalid, 10895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5454 IncrementalHoareTripleChecker+Valid, 5436 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:24,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10896 Valid, 7789 Invalid, 10895 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 5436 Invalid, 5 Unknown, 0 Unchecked, 26.0s Time] [2021-12-07 01:19:25,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36103 states. [2021-12-07 01:19:26,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36103 to 36103. [2021-12-07 01:19:26,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36103 states, 24700 states have (on average 1.2510121457489878) internal successors, (30900), 25373 states have internal predecessors, (30900), 8874 states have call successors, (8874), 2439 states have call predecessors, (8874), 2498 states have return successors, (10205), 8806 states have call predecessors, (10205), 8872 states have call successors, (10205) [2021-12-07 01:19:26,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36103 states to 36103 states and 49979 transitions. [2021-12-07 01:19:26,429 INFO L78 Accepts]: Start accepts. Automaton has 36103 states and 49979 transitions. Word has length 81 [2021-12-07 01:19:26,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:26,430 INFO L470 AbstractCegarLoop]: Abstraction has 36103 states and 49979 transitions. [2021-12-07 01:19:26,430 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, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-07 01:19:26,430 INFO L276 IsEmpty]: Start isEmpty. Operand 36103 states and 49979 transitions. [2021-12-07 01:19:26,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-07 01:19:26,431 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:26,431 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:26,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-07 01:19:26,432 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_usb_gadget_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:19:26,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:26,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1253502247, now seen corresponding path program 1 times [2021-12-07 01:19:26,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:19:26,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379863384] [2021-12-07 01:19:26,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:26,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:19:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:26,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:19:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:26,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:19:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:26,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:19:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:26,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:19:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:26,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:19:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:26,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:19:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:26,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 01:19:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:26,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-07 01:19:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:26,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-07 01:19:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:26,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-07 01:19:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:26,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-07 01:19:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:26,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-07 01:19:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:26,679 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-07 01:19:26,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:19:26,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379863384] [2021-12-07 01:19:26,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379863384] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:26,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:26,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 01:19:26,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901532467] [2021-12-07 01:19:26,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:26,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:19:26,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:19:26,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:19:26,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:19:26,681 INFO L87 Difference]: Start difference. First operand 36103 states and 49979 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-07 01:19:31,546 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:19:34,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:19:36,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:19:38,262 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:19:42,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 01:19:54,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:19:54,905 INFO L93 Difference]: Finished difference Result 36135 states and 50023 transitions. [2021-12-07 01:19:54,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 01:19:54,906 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 82 [2021-12-07 01:19:54,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:19:55,033 INFO L225 Difference]: With dead ends: 36135 [2021-12-07 01:19:55,033 INFO L226 Difference]: Without dead ends: 36133 [2021-12-07 01:19:55,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:19:55,044 INFO L933 BasicCegarLoop]: 5075 mSDtfsCounter, 14022 mSDsluCounter, 3193 mSDsCounter, 0 mSdLazyCounter, 5658 mSolverCounterSat, 7342 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14223 SdHoareTripleChecker+Valid, 8268 SdHoareTripleChecker+Invalid, 13005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7342 IncrementalHoareTripleChecker+Valid, 5658 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:19:55,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14223 Valid, 8268 Invalid, 13005 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7342 Valid, 5658 Invalid, 5 Unknown, 0 Unchecked, 26.6s Time] [2021-12-07 01:19:55,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36133 states. [2021-12-07 01:19:56,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36133 to 36109. [2021-12-07 01:19:56,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36109 states, 24703 states have (on average 1.2504958911873052) internal successors, (30891), 25379 states have internal predecessors, (30891), 8874 states have call successors, (8874), 2439 states have call predecessors, (8874), 2502 states have return successors, (10213), 8806 states have call predecessors, (10213), 8872 states have call successors, (10213) [2021-12-07 01:19:56,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36109 states to 36109 states and 49978 transitions. [2021-12-07 01:19:56,484 INFO L78 Accepts]: Start accepts. Automaton has 36109 states and 49978 transitions. Word has length 82 [2021-12-07 01:19:56,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:19:56,484 INFO L470 AbstractCegarLoop]: Abstraction has 36109 states and 49978 transitions. [2021-12-07 01:19:56,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-07 01:19:56,485 INFO L276 IsEmpty]: Start isEmpty. Operand 36109 states and 49978 transitions. [2021-12-07 01:19:56,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-12-07 01:19:56,486 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:19:56,486 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:19:56,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-07 01:19:56,486 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_fs_sysfs_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 34 more)] === [2021-12-07 01:19:56,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:19:56,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1195476582, now seen corresponding path program 1 times [2021-12-07 01:19:56,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:19:56,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220532052] [2021-12-07 01:19:56,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:19:56,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:19:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:56,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:19:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:56,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:19:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:56,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:19:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:56,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:19:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:56,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:19:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:56,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:19:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:56,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 01:19:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:56,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:19:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:56,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-07 01:19:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:56,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-07 01:19:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:56,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 01:19:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:56,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-07 01:19:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:56,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-07 01:19:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:19:56,717 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-07 01:19:56,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:19:56,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220532052] [2021-12-07 01:19:56,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220532052] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:19:56,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:19:56,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:19:56,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904874702] [2021-12-07 01:19:56,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:19:56,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:19:56,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:19:56,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:19:56,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:19:56,719 INFO L87 Difference]: Start difference. First operand 36109 states and 49978 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, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-07 01:20:01,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:20:03,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:20:05,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:20:07,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:20:14,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:20:23,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:20:23,919 INFO L93 Difference]: Finished difference Result 36109 states and 49978 transitions. [2021-12-07 01:20:23,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:20:23,920 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, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 87 [2021-12-07 01:20:23,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:20:24,018 INFO L225 Difference]: With dead ends: 36109 [2021-12-07 01:20:24,019 INFO L226 Difference]: Without dead ends: 36107 [2021-12-07 01:20:24,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:20:24,032 INFO L933 BasicCegarLoop]: 5073 mSDtfsCounter, 10685 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5432 mSolverCounterSat, 5454 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10883 SdHoareTripleChecker+Valid, 7785 SdHoareTripleChecker+Invalid, 10891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5454 IncrementalHoareTripleChecker+Valid, 5432 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:20:24,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10883 Valid, 7785 Invalid, 10891 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 5432 Invalid, 5 Unknown, 0 Unchecked, 25.6s Time] [2021-12-07 01:20:24,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36107 states. [2021-12-07 01:20:25,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36107 to 36107. [2021-12-07 01:20:25,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36107 states, 24702 states have (on average 1.2504655493482308) internal successors, (30889), 25377 states have internal predecessors, (30889), 8874 states have call successors, (8874), 2439 states have call predecessors, (8874), 2502 states have return successors, (10213), 8806 states have call predecessors, (10213), 8872 states have call successors, (10213) [2021-12-07 01:20:25,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36107 states to 36107 states and 49976 transitions. [2021-12-07 01:20:25,596 INFO L78 Accepts]: Start accepts. Automaton has 36107 states and 49976 transitions. Word has length 87 [2021-12-07 01:20:25,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:20:25,596 INFO L470 AbstractCegarLoop]: Abstraction has 36107 states and 49976 transitions. [2021-12-07 01:20:25,596 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, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-07 01:20:25,596 INFO L276 IsEmpty]: Start isEmpty. Operand 36107 states and 49976 transitions. [2021-12-07 01:20:25,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-07 01:20:25,598 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:20:25,598 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:20:25,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-07 01:20:25,598 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_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 34 more)] === [2021-12-07 01:20:25,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:20:25,598 INFO L85 PathProgramCache]: Analyzing trace with hash 465891583, now seen corresponding path program 1 times [2021-12-07 01:20:25,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:20:25,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411656795] [2021-12-07 01:20:25,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:20:25,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:20:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:25,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:20:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:25,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:20:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:25,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:20:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:25,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:20:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:25,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:20:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:25,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:20:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:25,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 01:20:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:25,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:20:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:25,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-07 01:20:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:25,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-07 01:20:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:25,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 01:20:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:25,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-07 01:20:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:25,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-07 01:20:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:25,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-07 01:20:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:25,815 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-07 01:20:25,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:20:25,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411656795] [2021-12-07 01:20:25,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411656795] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:20:25,815 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:20:25,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:20:25,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860417735] [2021-12-07 01:20:25,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:20:25,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:20:25,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:20:25,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:20:25,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:20:25,816 INFO L87 Difference]: Start difference. First operand 36107 states and 49976 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-07 01:20:30,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:20:33,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:20:35,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:20:37,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:20:45,065 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:20:54,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:20:54,909 INFO L93 Difference]: Finished difference Result 36107 states and 49976 transitions. [2021-12-07 01:20:54,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:20:54,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 93 [2021-12-07 01:20:54,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:20:55,013 INFO L225 Difference]: With dead ends: 36107 [2021-12-07 01:20:55,013 INFO L226 Difference]: Without dead ends: 36105 [2021-12-07 01:20:55,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:20:55,030 INFO L933 BasicCegarLoop]: 5071 mSDtfsCounter, 10683 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5426 mSolverCounterSat, 5454 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10880 SdHoareTripleChecker+Valid, 7783 SdHoareTripleChecker+Invalid, 10885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5454 IncrementalHoareTripleChecker+Valid, 5426 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:20:55,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10880 Valid, 7783 Invalid, 10885 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 5426 Invalid, 5 Unknown, 0 Unchecked, 27.2s Time] [2021-12-07 01:20:55,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36105 states. [2021-12-07 01:20:56,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36105 to 36105. [2021-12-07 01:20:56,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36105 states, 24701 states have (on average 1.250435205052427) internal successors, (30887), 25375 states have internal predecessors, (30887), 8874 states have call successors, (8874), 2439 states have call predecessors, (8874), 2502 states have return successors, (10213), 8806 states have call predecessors, (10213), 8872 states have call successors, (10213) [2021-12-07 01:20:56,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36105 states to 36105 states and 49974 transitions. [2021-12-07 01:20:56,667 INFO L78 Accepts]: Start accepts. Automaton has 36105 states and 49974 transitions. Word has length 93 [2021-12-07 01:20:56,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:20:56,667 INFO L470 AbstractCegarLoop]: Abstraction has 36105 states and 49974 transitions. [2021-12-07 01:20:56,668 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-07 01:20:56,668 INFO L276 IsEmpty]: Start isEmpty. Operand 36105 states and 49974 transitions. [2021-12-07 01:20:56,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-07 01:20:56,669 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:20:56,669 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:20:56,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-07 01:20:56,669 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:20:56,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:20:56,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1045443554, now seen corresponding path program 1 times [2021-12-07 01:20:56,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:20:56,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176790561] [2021-12-07 01:20:56,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:20:56,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:20:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:56,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:20:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:56,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:20:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:56,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:20:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:56,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:20:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:56,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:20:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:56,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:20:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:56,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 01:20:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:56,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:20:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:56,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-07 01:20:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:56,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-07 01:20:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:56,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 01:20:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:56,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-07 01:20:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:56,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-07 01:20:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:56,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-07 01:20:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:20:56,847 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-07 01:20:56,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:20:56,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176790561] [2021-12-07 01:20:56,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176790561] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:20:56,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:20:56,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:20:56,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906119089] [2021-12-07 01:20:56,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:20:56,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:20:56,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:20:56,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:20:56,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:20:56,848 INFO L87 Difference]: Start difference. First operand 36105 states and 49974 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-07 01:21:01,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:21:04,064 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:21:06,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:21:08,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:21:11,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:21:14,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 01:21:19,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:21:29,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:21:29,219 INFO L93 Difference]: Finished difference Result 36105 states and 49974 transitions. [2021-12-07 01:21:29,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:21:29,220 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2021-12-07 01:21:29,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:21:29,326 INFO L225 Difference]: With dead ends: 36105 [2021-12-07 01:21:29,326 INFO L226 Difference]: Without dead ends: 36103 [2021-12-07 01:21:29,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:21:29,343 INFO L933 BasicCegarLoop]: 5069 mSDtfsCounter, 10671 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5426 mSolverCounterSat, 5454 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10868 SdHoareTripleChecker+Valid, 7781 SdHoareTripleChecker+Invalid, 10887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5454 IncrementalHoareTripleChecker+Valid, 5426 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.6s IncrementalHoareTripleChecker+Time [2021-12-07 01:21:29,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10868 Valid, 7781 Invalid, 10887 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 5426 Invalid, 7 Unknown, 0 Unchecked, 30.6s Time] [2021-12-07 01:21:29,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36103 states. [2021-12-07 01:21:30,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36103 to 36103. [2021-12-07 01:21:30,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36103 states, 24700 states have (on average 1.2504048582995952) internal successors, (30885), 25373 states have internal predecessors, (30885), 8874 states have call successors, (8874), 2439 states have call predecessors, (8874), 2502 states have return successors, (10213), 8806 states have call predecessors, (10213), 8872 states have call successors, (10213) [2021-12-07 01:21:30,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36103 states to 36103 states and 49972 transitions. [2021-12-07 01:21:30,957 INFO L78 Accepts]: Start accepts. Automaton has 36103 states and 49972 transitions. Word has length 95 [2021-12-07 01:21:30,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:21:30,957 INFO L470 AbstractCegarLoop]: Abstraction has 36103 states and 49972 transitions. [2021-12-07 01:21:30,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-07 01:21:30,958 INFO L276 IsEmpty]: Start isEmpty. Operand 36103 states and 49972 transitions. [2021-12-07 01:21:30,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-07 01:21:30,959 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:21:30,959 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:21:30,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-07 01:21:30,960 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:21:30,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:21:30,960 INFO L85 PathProgramCache]: Analyzing trace with hash 808096048, now seen corresponding path program 1 times [2021-12-07 01:21:30,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:21:30,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061125349] [2021-12-07 01:21:30,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:21:30,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:21:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:21:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:21:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:21:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:21:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:21:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:21:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 01:21:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-07 01:21:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-07 01:21:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:21:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:21:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 01:21:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-07 01:21:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-07 01:21:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:21:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:21:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 01:21:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 01:21:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-07 01:21:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-07 01:21:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:21:31,172 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-12-07 01:21:31,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:21:31,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061125349] [2021-12-07 01:21:31,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061125349] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:21:31,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:21:31,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:21:31,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019100666] [2021-12-07 01:21:31,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:21:31,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:21:31,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:21:31,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:21:31,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:21:31,173 INFO L87 Difference]: Start difference. First operand 36103 states and 49972 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-07 01:21:34,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:21:37,406 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:21:39,454 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:21:41,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:21:57,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:21:57,917 INFO L93 Difference]: Finished difference Result 67693 states and 94201 transitions. [2021-12-07 01:21:57,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:21:57,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 119 [2021-12-07 01:21:57,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:21:58,051 INFO L225 Difference]: With dead ends: 67693 [2021-12-07 01:21:58,052 INFO L226 Difference]: Without dead ends: 38313 [2021-12-07 01:21:58,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:21:58,164 INFO L933 BasicCegarLoop]: 4900 mSDtfsCounter, 12649 mSDsluCounter, 1422 mSDsCounter, 0 mSdLazyCounter, 4674 mSolverCounterSat, 7665 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12871 SdHoareTripleChecker+Valid, 6322 SdHoareTripleChecker+Invalid, 12343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7665 IncrementalHoareTripleChecker+Valid, 4674 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2021-12-07 01:21:58,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12871 Valid, 6322 Invalid, 12343 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7665 Valid, 4674 Invalid, 4 Unknown, 0 Unchecked, 24.5s Time] [2021-12-07 01:21:58,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38313 states. [2021-12-07 01:21:59,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38313 to 36077. [2021-12-07 01:21:59,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36077 states, 24675 states have (on average 1.2496859169199594) internal successors, (30836), 25347 states have internal predecessors, (30836), 8874 states have call successors, (8874), 2439 states have call predecessors, (8874), 2502 states have return successors, (10213), 8806 states have call predecessors, (10213), 8872 states have call successors, (10213) [2021-12-07 01:21:59,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36077 states to 36077 states and 49923 transitions. [2021-12-07 01:21:59,943 INFO L78 Accepts]: Start accepts. Automaton has 36077 states and 49923 transitions. Word has length 119 [2021-12-07 01:21:59,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:21:59,943 INFO L470 AbstractCegarLoop]: Abstraction has 36077 states and 49923 transitions. [2021-12-07 01:21:59,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-07 01:21:59,944 INFO L276 IsEmpty]: Start isEmpty. Operand 36077 states and 49923 transitions. [2021-12-07 01:21:59,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-07 01:21:59,946 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:21:59,947 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:21:59,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-07 01:21:59,947 INFO L402 AbstractCegarLoop]: === Iteration 15 === 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 34 more)] === [2021-12-07 01:21:59,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:21:59,947 INFO L85 PathProgramCache]: Analyzing trace with hash 129538239, now seen corresponding path program 1 times [2021-12-07 01:21:59,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:21:59,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885005044] [2021-12-07 01:21:59,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:21:59,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:22:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 01:22:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:22:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-07 01:22:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:22:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:22:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 01:22:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-07 01:22:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:22:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:22:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 01:22:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-07 01:22:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:22:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:22:00,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 01:22:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-07 01:22:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:22:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:22:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 01:22:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-07 01:22:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-07 01:22:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:00,223 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2021-12-07 01:22:00,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:00,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885005044] [2021-12-07 01:22:00,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885005044] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:00,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:00,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:22:00,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615430620] [2021-12-07 01:22:00,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:00,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:22:00,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:00,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:22:00,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:22:00,224 INFO L87 Difference]: Start difference. First operand 36077 states and 49923 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-07 01:22:08,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:22:13,372 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:22:18,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:22:18,893 INFO L93 Difference]: Finished difference Result 43599 states and 60289 transitions. [2021-12-07 01:22:18,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:22:18,894 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 132 [2021-12-07 01:22:18,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:22:19,007 INFO L225 Difference]: With dead ends: 43599 [2021-12-07 01:22:19,008 INFO L226 Difference]: Without dead ends: 43597 [2021-12-07 01:22:19,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:22:19,022 INFO L933 BasicCegarLoop]: 6020 mSDtfsCounter, 6576 mSDsluCounter, 12472 mSDsCounter, 0 mSdLazyCounter, 5010 mSolverCounterSat, 2033 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7218 SdHoareTripleChecker+Valid, 18492 SdHoareTripleChecker+Invalid, 7045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2033 IncrementalHoareTripleChecker+Valid, 5010 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2021-12-07 01:22:19,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7218 Valid, 18492 Invalid, 7045 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2033 Valid, 5010 Invalid, 2 Unknown, 0 Unchecked, 16.3s Time] [2021-12-07 01:22:19,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43597 states. [2021-12-07 01:22:20,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43597 to 41213. [2021-12-07 01:22:20,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41213 states, 28231 states have (on average 1.2428890227055365) internal successors, (35088), 28951 states have internal predecessors, (35088), 9738 states have call successors, (9738), 3155 states have call predecessors, (9738), 3218 states have return successors, (11077), 9670 states have call predecessors, (11077), 9736 states have call successors, (11077) [2021-12-07 01:22:20,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41213 states to 41213 states and 55903 transitions. [2021-12-07 01:22:20,953 INFO L78 Accepts]: Start accepts. Automaton has 41213 states and 55903 transitions. Word has length 132 [2021-12-07 01:22:20,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:22:20,954 INFO L470 AbstractCegarLoop]: Abstraction has 41213 states and 55903 transitions. [2021-12-07 01:22:20,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-07 01:22:20,954 INFO L276 IsEmpty]: Start isEmpty. Operand 41213 states and 55903 transitions. [2021-12-07 01:22:20,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-07 01:22:20,956 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:22:20,956 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:20,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-07 01:22:20,956 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_module_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 34 more)] === [2021-12-07 01:22:20,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:20,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1115885259, now seen corresponding path program 1 times [2021-12-07 01:22:20,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:20,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750624081] [2021-12-07 01:22:20,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:20,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:21,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:22:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:21,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:22:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:21,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:22:21,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:21,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:22:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:21,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:22:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:21,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:22:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:21,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 01:22:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:21,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:22:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:21,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-07 01:22:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:21,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-07 01:22:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:21,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 01:22:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:21,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-07 01:22:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:21,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-07 01:22:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:21,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-07 01:22:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:21,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 01:22:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:21,143 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-07 01:22:21,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:21,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750624081] [2021-12-07 01:22:21,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750624081] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:21,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:21,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:22:21,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627693934] [2021-12-07 01:22:21,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:21,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:22:21,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:21,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:22:21,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:22:21,145 INFO L87 Difference]: Start difference. First operand 41213 states and 55903 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-07 01:22:26,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:22:29,477 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:22:31,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:22:33,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:22:36,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-07 01:22:39,179 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-07 01:22:51,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:22:51,921 INFO L93 Difference]: Finished difference Result 41213 states and 55903 transitions. [2021-12-07 01:22:51,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:22:51,922 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 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 101 [2021-12-07 01:22:51,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:22:52,043 INFO L225 Difference]: With dead ends: 41213 [2021-12-07 01:22:52,043 INFO L226 Difference]: Without dead ends: 41211 [2021-12-07 01:22:52,064 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:22:52,065 INFO L933 BasicCegarLoop]: 5063 mSDtfsCounter, 10652 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5419 mSolverCounterSat, 5454 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10848 SdHoareTripleChecker+Valid, 7775 SdHoareTripleChecker+Invalid, 10879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5454 IncrementalHoareTripleChecker+Valid, 5419 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.7s IncrementalHoareTripleChecker+Time [2021-12-07 01:22:52,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10848 Valid, 7775 Invalid, 10879 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 5419 Invalid, 6 Unknown, 0 Unchecked, 28.7s Time] [2021-12-07 01:22:52,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41211 states. [2021-12-07 01:22:53,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41211 to 41211. [2021-12-07 01:22:53,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41211 states, 28230 states have (on average 1.242862203329791) internal successors, (35086), 28949 states have internal predecessors, (35086), 9738 states have call successors, (9738), 3155 states have call predecessors, (9738), 3218 states have return successors, (11077), 9670 states have call predecessors, (11077), 9736 states have call successors, (11077) [2021-12-07 01:22:54,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41211 states to 41211 states and 55901 transitions. [2021-12-07 01:22:54,088 INFO L78 Accepts]: Start accepts. Automaton has 41211 states and 55901 transitions. Word has length 101 [2021-12-07 01:22:54,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:22:54,089 INFO L470 AbstractCegarLoop]: Abstraction has 41211 states and 55901 transitions. [2021-12-07 01:22:54,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-07 01:22:54,089 INFO L276 IsEmpty]: Start isEmpty. Operand 41211 states and 55901 transitions. [2021-12-07 01:22:54,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-07 01:22:54,091 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:22:54,092 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:54,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-07 01:22:54,092 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:22:54,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:54,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1159162538, now seen corresponding path program 1 times [2021-12-07 01:22:54,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:54,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311463785] [2021-12-07 01:22:54,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:54,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:22:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:22:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:22:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:22:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:22:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:22:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 01:22:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-07 01:22:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-07 01:22:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:22:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:22:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 01:22:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-07 01:22:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-07 01:22:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:22:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-07 01:22:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 01:22:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-07 01:22:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-07 01:22:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-07 01:22:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-07 01:22:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:22:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:54,398 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-12-07 01:22:54,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:54,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311463785] [2021-12-07 01:22:54,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311463785] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:22:54,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153489317] [2021-12-07 01:22:54,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:54,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:22:54,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:22:54,400 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:22:54,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-07 01:22:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:55,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 2065 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-07 01:22:55,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:22:55,228 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-12-07 01:22:55,229 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:22:55,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153489317] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:55,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:22:55,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2021-12-07 01:22:55,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521534616] [2021-12-07 01:22:55,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:55,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:22:55,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:55,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:22:55,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:22:55,231 INFO L87 Difference]: Start difference. First operand 41211 states and 55901 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-07 01:22:57,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:22:57,020 INFO L93 Difference]: Finished difference Result 75649 states and 101828 transitions. [2021-12-07 01:22:57,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:22:57,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 128 [2021-12-07 01:22:57,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:22:57,147 INFO L225 Difference]: With dead ends: 75649 [2021-12-07 01:22:57,147 INFO L226 Difference]: Without dead ends: 41185 [2021-12-07 01:22:57,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-12-07 01:22:57,247 INFO L933 BasicCegarLoop]: 5901 mSDtfsCounter, 5881 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5881 SdHoareTripleChecker+Valid, 5901 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:22:57,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5881 Valid, 5901 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:22:57,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41185 states. [2021-12-07 01:22:59,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41185 to 41185. [2021-12-07 01:22:59,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41185 states, 28205 states have (on average 1.2422265555752525) internal successors, (35037), 28923 states have internal predecessors, (35037), 9738 states have call successors, (9738), 3155 states have call predecessors, (9738), 3218 states have return successors, (11077), 9670 states have call predecessors, (11077), 9736 states have call successors, (11077) [2021-12-07 01:22:59,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41185 states to 41185 states and 55852 transitions. [2021-12-07 01:22:59,317 INFO L78 Accepts]: Start accepts. Automaton has 41185 states and 55852 transitions. Word has length 128 [2021-12-07 01:22:59,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:22:59,318 INFO L470 AbstractCegarLoop]: Abstraction has 41185 states and 55852 transitions. [2021-12-07 01:22:59,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-07 01:22:59,318 INFO L276 IsEmpty]: Start isEmpty. Operand 41185 states and 55852 transitions. [2021-12-07 01:22:59,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-07 01:22:59,320 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:22:59,320 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:22:59,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:22:59,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8464c330-5b98-43ab-b393-4e8831c165ea/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-07 01:22:59,521 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_bh_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 34 more)] === [2021-12-07 01:22:59,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:22:59,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1666262405, now seen corresponding path program 1 times [2021-12-07 01:22:59,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:22:59,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720897403] [2021-12-07 01:22:59,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:22:59,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:22:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:59,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:22:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:59,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:22:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:59,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:22:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:59,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:22:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:59,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:22:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:59,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:22:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:59,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 01:22:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:59,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:22:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:59,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-07 01:22:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:59,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-07 01:22:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:59,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 01:22:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:59,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-07 01:22:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:59,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-07 01:22:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:59,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-07 01:22:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:59,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 01:22:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:59,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-07 01:22:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:22:59,750 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-07 01:22:59,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:22:59,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720897403] [2021-12-07 01:22:59,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720897403] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:22:59,751 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:22:59,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:22:59,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534470551] [2021-12-07 01:22:59,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:22:59,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:22:59,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:22:59,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:22:59,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:22:59,752 INFO L87 Difference]: Start difference. First operand 41185 states and 55852 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-07 01:23:04,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:23:08,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:23:10,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:23:12,146 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:23:15,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:23:28,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:23:28,831 INFO L93 Difference]: Finished difference Result 41185 states and 55852 transitions. [2021-12-07 01:23:28,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:23:28,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 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 107 [2021-12-07 01:23:28,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:23:28,944 INFO L225 Difference]: With dead ends: 41185 [2021-12-07 01:23:28,944 INFO L226 Difference]: Without dead ends: 41183 [2021-12-07 01:23:28,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:23:28,963 INFO L933 BasicCegarLoop]: 5057 mSDtfsCounter, 10631 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5412 mSolverCounterSat, 5454 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10826 SdHoareTripleChecker+Valid, 7769 SdHoareTripleChecker+Invalid, 10871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5454 IncrementalHoareTripleChecker+Valid, 5412 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2021-12-07 01:23:28,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10826 Valid, 7769 Invalid, 10871 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 5412 Invalid, 5 Unknown, 0 Unchecked, 26.8s Time] [2021-12-07 01:23:28,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41183 states. [2021-12-07 01:23:30,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41183 to 41183. [2021-12-07 01:23:30,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41183 states, 28204 states have (on average 1.2421996879875195) internal successors, (35035), 28921 states have internal predecessors, (35035), 9738 states have call successors, (9738), 3155 states have call predecessors, (9738), 3218 states have return successors, (11077), 9670 states have call predecessors, (11077), 9736 states have call successors, (11077) [2021-12-07 01:23:30,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41183 states to 41183 states and 55850 transitions. [2021-12-07 01:23:30,997 INFO L78 Accepts]: Start accepts. Automaton has 41183 states and 55850 transitions. Word has length 107 [2021-12-07 01:23:30,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:23:30,998 INFO L470 AbstractCegarLoop]: Abstraction has 41183 states and 55850 transitions. [2021-12-07 01:23:30,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-07 01:23:30,998 INFO L276 IsEmpty]: Start isEmpty. Operand 41183 states and 55850 transitions. [2021-12-07 01:23:31,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-07 01:23:31,000 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:23:31,000 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:23:31,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-07 01:23:31,000 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-12-07 01:23:31,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:23:31,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1375143353, now seen corresponding path program 1 times [2021-12-07 01:23:31,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:23:31,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861424527] [2021-12-07 01:23:31,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:23:31,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:23:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:31,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:23:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:31,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-07 01:23:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:31,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:23:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:31,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-07 01:23:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:31,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:23:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:31,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-07 01:23:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:31,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 01:23:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:31,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-07 01:23:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:31,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-07 01:23:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:31,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-07 01:23:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:31,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-07 01:23:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:31,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-07 01:23:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:31,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-07 01:23:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:23:31,468 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-12-07 01:23:31,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:23:31,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861424527] [2021-12-07 01:23:31,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861424527] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:23:31,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:23:31,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 01:23:31,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717488363] [2021-12-07 01:23:31,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:23:31,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-07 01:23:31,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:23:31,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-07 01:23:31,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:23:31,470 INFO L87 Difference]: Start difference. First operand 41183 states and 55850 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2021-12-07 01:23:44,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:24:00,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:24:05,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:24:05,713 INFO L93 Difference]: Finished difference Result 91277 states and 124300 transitions. [2021-12-07 01:24:05,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:24:05,714 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) Word has length 106 [2021-12-07 01:24:05,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:24:05,918 INFO L225 Difference]: With dead ends: 91277 [2021-12-07 01:24:05,918 INFO L226 Difference]: Without dead ends: 67453 [2021-12-07 01:24:05,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2021-12-07 01:24:05,994 INFO L933 BasicCegarLoop]: 6429 mSDtfsCounter, 8534 mSDsluCounter, 37271 mSDsCounter, 0 mSdLazyCounter, 12866 mSolverCounterSat, 3289 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9309 SdHoareTripleChecker+Valid, 43700 SdHoareTripleChecker+Invalid, 16157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3289 IncrementalHoareTripleChecker+Valid, 12866 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.8s IncrementalHoareTripleChecker+Time [2021-12-07 01:24:05,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9309 Valid, 43700 Invalid, 16157 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3289 Valid, 12866 Invalid, 2 Unknown, 0 Unchecked, 29.8s Time] [2021-12-07 01:24:06,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67453 states. [2021-12-07 01:24:09,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67453 to 63031. [2021-12-07 01:24:09,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63031 states, 42960 states have (on average 1.2341480446927375) internal successors, (53019), 44053 states have internal predecessors, (53019), 14850 states have call successors, (14850), 5087 states have call predecessors, (14850), 5198 states have return successors, (17053), 14746 states have call predecessors, (17053), 14848 states have call successors, (17053) [2021-12-07 01:24:09,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63031 states to 63031 states and 84922 transitions. [2021-12-07 01:24:09,435 INFO L78 Accepts]: Start accepts. Automaton has 63031 states and 84922 transitions. Word has length 106 [2021-12-07 01:24:09,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:24:09,435 INFO L470 AbstractCegarLoop]: Abstraction has 63031 states and 84922 transitions. [2021-12-07 01:24:09,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2021-12-07 01:24:09,435 INFO L276 IsEmpty]: Start isEmpty. Operand 63031 states and 84922 transitions. [2021-12-07 01:24:09,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-07 01:24:09,438 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:24:09,438 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:24:09,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-07 01:24:09,438 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_update_lock_sched_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 34 more)] === [2021-12-07 01:24:09,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:24:09,438 INFO L85 PathProgramCache]: Analyzing trace with hash -198155793, now seen corresponding path program 1 times [2021-12-07 01:24:09,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:24:09,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837706862] [2021-12-07 01:24:09,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:24:09,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:24:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:09,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:24:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:09,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:24:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:09,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:24:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:09,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:24:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:09,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:24:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:09,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:24:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:09,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 01:24:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:09,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:24:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:09,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-07 01:24:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:09,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-07 01:24:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:09,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 01:24:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:09,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-07 01:24:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:09,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-07 01:24:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:09,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-07 01:24:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:09,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 01:24:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:09,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-07 01:24:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:09,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-07 01:24:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:09,723 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-07 01:24:09,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:24:09,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837706862] [2021-12-07 01:24:09,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837706862] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:24:09,723 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:24:09,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:24:09,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423069820] [2021-12-07 01:24:09,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:24:09,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:24:09,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:24:09,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:24:09,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:24:09,724 INFO L87 Difference]: Start difference. First operand 63031 states and 84922 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-07 01:24:14,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:24:18,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:24:20,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:24:22,356 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:24:39,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:24:39,010 INFO L93 Difference]: Finished difference Result 63031 states and 84922 transitions. [2021-12-07 01:24:39,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:24:39,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 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 113 [2021-12-07 01:24:39,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:24:39,184 INFO L225 Difference]: With dead ends: 63031 [2021-12-07 01:24:39,184 INFO L226 Difference]: Without dead ends: 63029 [2021-12-07 01:24:39,205 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:24:39,205 INFO L933 BasicCegarLoop]: 5055 mSDtfsCounter, 10625 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5411 mSolverCounterSat, 5454 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10819 SdHoareTripleChecker+Valid, 7767 SdHoareTripleChecker+Invalid, 10869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5454 IncrementalHoareTripleChecker+Valid, 5411 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2021-12-07 01:24:39,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10819 Valid, 7767 Invalid, 10869 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 5411 Invalid, 4 Unknown, 0 Unchecked, 25.9s Time] [2021-12-07 01:24:39,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63029 states. [2021-12-07 01:24:42,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63029 to 63029. [2021-12-07 01:24:42,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63029 states, 42959 states have (on average 1.2341302171838264) internal successors, (53017), 44051 states have internal predecessors, (53017), 14850 states have call successors, (14850), 5087 states have call predecessors, (14850), 5198 states have return successors, (17053), 14746 states have call predecessors, (17053), 14848 states have call successors, (17053) [2021-12-07 01:24:42,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63029 states to 63029 states and 84920 transitions. [2021-12-07 01:24:42,633 INFO L78 Accepts]: Start accepts. Automaton has 63029 states and 84920 transitions. Word has length 113 [2021-12-07 01:24:42,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:24:42,633 INFO L470 AbstractCegarLoop]: Abstraction has 63029 states and 84920 transitions. [2021-12-07 01:24:42,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-07 01:24:42,634 INFO L276 IsEmpty]: Start isEmpty. Operand 63029 states and 84920 transitions. [2021-12-07 01:24:42,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-12-07 01:24:42,636 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:24:42,636 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:24:42,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-07 01:24:42,637 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_update_lock_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 34 more)] === [2021-12-07 01:24:42,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:24:42,637 INFO L85 PathProgramCache]: Analyzing trace with hash 2111877351, now seen corresponding path program 1 times [2021-12-07 01:24:42,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:24:42,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941234690] [2021-12-07 01:24:42,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:24:42,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:24:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:42,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:24:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:42,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:24:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:42,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:24:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:42,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-07 01:24:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:42,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-07 01:24:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:42,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-07 01:24:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:42,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-07 01:24:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:42,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-07 01:24:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:42,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-07 01:24:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:42,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-07 01:24:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:42,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-07 01:24:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:42,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-07 01:24:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:42,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-07 01:24:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:42,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-07 01:24:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:42,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-07 01:24:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:42,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-07 01:24:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:42,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-07 01:24:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:42,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-07 01:24:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:24:42,836 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-07 01:24:42,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:24:42,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941234690] [2021-12-07 01:24:42,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941234690] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:24:42,837 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:24:42,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:24:42,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374861976] [2021-12-07 01:24:42,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:24:42,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:24:42,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:24:42,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:24:42,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:24:42,838 INFO L87 Difference]: Start difference. First operand 63029 states and 84920 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-07 01:24:48,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:24:51,274 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:24:53,318 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-07 01:24:55,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []