./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71cc926-fbb2-41d0-a5cd-647150c1297d/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71cc926-fbb2-41d0-a5cd-647150c1297d/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71cc926-fbb2-41d0-a5cd-647150c1297d/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71cc926-fbb2-41d0-a5cd-647150c1297d/bin/uautomizer-DQz5hQGWxF/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_d71cc926-fbb2-41d0-a5cd-647150c1297d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71cc926-fbb2-41d0-a5cd-647150c1297d/bin/uautomizer-DQz5hQGWxF --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 0.2.1-dev-53f42b1 [2021-11-20 06:02:16,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:02:16,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:02:16,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:02:16,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:02:16,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:02:16,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:02:16,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:02:16,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:02:16,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:02:16,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:02:16,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:02:16,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:02:16,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:02:16,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:02:16,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:02:16,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:02:16,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:02:16,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:02:16,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:02:16,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:02:16,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:02:16,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:02:16,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:02:16,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:02:16,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:02:16,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:02:16,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:02:16,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:02:16,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:02:16,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:02:16,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:02:16,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:02:16,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:02:16,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:02:16,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:02:16,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:02:16,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:02:16,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:02:16,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:02:16,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:02:16,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71cc926-fbb2-41d0-a5cd-647150c1297d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 06:02:16,733 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:02:16,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:02:16,734 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:02:16,734 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:02:16,743 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:02:16,744 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:02:16,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:02:16,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:02:16,746 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:02:16,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:02:16,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:02:16,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:02:16,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:02:16,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:02:16,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:02:16,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:02:16,749 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:02:16,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:02:16,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:02:16,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:02:16,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:02:16,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:02:16,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:02:16,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:02:16,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:02:16,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:02:16,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:02:16,753 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:02:16,753 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:02:16,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:02:16,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:02:16,756 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71cc926-fbb2-41d0-a5cd-647150c1297d/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b25ac84d4a20a437c31c3bd685865b0db6f54088dab7ab415bb47113c804a34a [2021-11-20 06:02:17,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:02:17,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:02:17,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:02:17,156 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:02:17,157 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:02:17,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71cc926-fbb2-41d0-a5cd-647150c1297d/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2021-11-20 06:02:17,262 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71cc926-fbb2-41d0-a5cd-647150c1297d/bin/uautomizer-DQz5hQGWxF/data/e97f936e3/6352ffd9e9de40f3ab26ebab7df01f98/FLAG31f352bdc [2021-11-20 06:02:18,544 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:02:18,545 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2021-11-20 06:02:18,647 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71cc926-fbb2-41d0-a5cd-647150c1297d/bin/uautomizer-DQz5hQGWxF/data/e97f936e3/6352ffd9e9de40f3ab26ebab7df01f98/FLAG31f352bdc [2021-11-20 06:02:18,670 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71cc926-fbb2-41d0-a5cd-647150c1297d/bin/uautomizer-DQz5hQGWxF/data/e97f936e3/6352ffd9e9de40f3ab26ebab7df01f98 [2021-11-20 06:02:18,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:02:18,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:02:18,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:02:18,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:02:18,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:02:18,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:02:18" (1/1) ... [2021-11-20 06:02:18,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76592538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:18, skipping insertion in model container [2021-11-20 06:02:18,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:02:18" (1/1) ... [2021-11-20 06:02:18,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:02:18,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:02:27,871 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571462,571475] [2021-11-20 06:02:27,874 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571607,571620] [2021-11-20 06:02:27,876 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571753,571766] [2021-11-20 06:02:27,882 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571918,571931] [2021-11-20 06:02:27,888 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572076,572089] [2021-11-20 06:02:27,889 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572234,572247] [2021-11-20 06:02:27,890 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572392,572405] [2021-11-20 06:02:27,890 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572552,572565] [2021-11-20 06:02:27,891 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572711,572724] [2021-11-20 06:02:27,891 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572850,572863] [2021-11-20 06:02:27,917 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572992,573005] [2021-11-20 06:02:27,918 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573141,573154] [2021-11-20 06:02:27,918 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573280,573293] [2021-11-20 06:02:27,919 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573435,573448] [2021-11-20 06:02:27,919 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573595,573608] [2021-11-20 06:02:27,920 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573746,573759] [2021-11-20 06:02:27,920 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573897,573910] [2021-11-20 06:02:27,920 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574049,574062] [2021-11-20 06:02:27,921 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574198,574211] [2021-11-20 06:02:27,921 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574346,574359] [2021-11-20 06:02:27,922 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574503,574516] [2021-11-20 06:02:27,922 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574652,574665] [2021-11-20 06:02:27,922 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574808,574821] [2021-11-20 06:02:27,923 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574961,574974] [2021-11-20 06:02:27,923 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575107,575120] [2021-11-20 06:02:27,924 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575250,575263] [2021-11-20 06:02:27,924 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575402,575415] [2021-11-20 06:02:27,925 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575548,575561] [2021-11-20 06:02:27,925 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575693,575706] [2021-11-20 06:02:27,925 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575847,575860] [2021-11-20 06:02:27,938 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575998,576011] [2021-11-20 06:02:27,938 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576153,576166] [2021-11-20 06:02:27,939 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576305,576318] [2021-11-20 06:02:27,939 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576460,576473] [2021-11-20 06:02:27,942 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576624,576637] [2021-11-20 06:02:27,942 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576780,576793] [2021-11-20 06:02:27,943 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576944,576957] [2021-11-20 06:02:27,943 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577086,577099] [2021-11-20 06:02:27,944 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577244,577257] [2021-11-20 06:02:27,944 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577411,577424] [2021-11-20 06:02:27,945 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577570,577583] [2021-11-20 06:02:27,947 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577729,577742] [2021-11-20 06:02:27,948 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577878,577891] [2021-11-20 06:02:27,949 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578025,578038] [2021-11-20 06:02:27,949 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578164,578177] [2021-11-20 06:02:27,950 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578327,578340] [2021-11-20 06:02:27,951 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578493,578506] [2021-11-20 06:02:27,951 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578657,578670] [2021-11-20 06:02:27,953 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578822,578835] [2021-11-20 06:02:27,953 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578987,579000] [2021-11-20 06:02:27,954 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579153,579166] [2021-11-20 06:02:27,954 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579318,579331] [2021-11-20 06:02:27,955 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579485,579498] [2021-11-20 06:02:27,955 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579645,579658] [2021-11-20 06:02:27,956 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579807,579820] [2021-11-20 06:02:27,957 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579966,579979] [2021-11-20 06:02:27,957 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580112,580125] [2021-11-20 06:02:27,958 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580255,580268] [2021-11-20 06:02:27,959 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580399,580412] [2021-11-20 06:02:27,960 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580542,580555] [2021-11-20 06:02:27,960 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580686,580699] [2021-11-20 06:02:27,961 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580827,580840] [2021-11-20 06:02:27,962 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580965,580978] [2021-11-20 06:02:27,962 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581123,581136] [2021-11-20 06:02:27,963 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581282,581295] [2021-11-20 06:02:27,963 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581438,581451] [2021-11-20 06:02:27,964 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581587,581600] [2021-11-20 06:02:27,964 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581739,581752] [2021-11-20 06:02:27,964 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581890,581903] [2021-11-20 06:02:27,965 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582039,582052] [2021-11-20 06:02:27,965 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582191,582204] [2021-11-20 06:02:27,966 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582339,582352] [2021-11-20 06:02:27,966 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582492,582505] [2021-11-20 06:02:27,967 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582643,582656] [2021-11-20 06:02:27,967 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582793,582806] [2021-11-20 06:02:27,968 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582940,582953] [2021-11-20 06:02:27,968 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583091,583104] [2021-11-20 06:02:27,969 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583242,583255] [2021-11-20 06:02:27,969 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583390,583403] [2021-11-20 06:02:27,970 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583556,583569] [2021-11-20 06:02:27,970 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583725,583738] [2021-11-20 06:02:27,971 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583892,583905] [2021-11-20 06:02:27,971 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584060,584073] [2021-11-20 06:02:27,972 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584210,584223] [2021-11-20 06:02:27,973 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584357,584370] [2021-11-20 06:02:27,973 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584518,584531] [2021-11-20 06:02:27,974 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584688,584701] [2021-11-20 06:02:27,974 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584850,584863] [2021-11-20 06:02:28,014 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:02:28,058 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:02:28,847 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571462,571475] [2021-11-20 06:02:28,849 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571607,571620] [2021-11-20 06:02:28,854 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571753,571766] [2021-11-20 06:02:28,855 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571918,571931] [2021-11-20 06:02:28,856 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572076,572089] [2021-11-20 06:02:28,857 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572234,572247] [2021-11-20 06:02:28,857 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572392,572405] [2021-11-20 06:02:28,858 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572552,572565] [2021-11-20 06:02:28,859 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572711,572724] [2021-11-20 06:02:28,860 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572850,572863] [2021-11-20 06:02:28,860 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572992,573005] [2021-11-20 06:02:28,860 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573141,573154] [2021-11-20 06:02:28,906 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573280,573293] [2021-11-20 06:02:28,907 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573435,573448] [2021-11-20 06:02:28,907 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573595,573608] [2021-11-20 06:02:28,908 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573746,573759] [2021-11-20 06:02:28,908 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573897,573910] [2021-11-20 06:02:28,908 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574049,574062] [2021-11-20 06:02:28,908 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574198,574211] [2021-11-20 06:02:28,909 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574346,574359] [2021-11-20 06:02:28,909 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574503,574516] [2021-11-20 06:02:28,909 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574652,574665] [2021-11-20 06:02:28,910 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574808,574821] [2021-11-20 06:02:28,910 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574961,574974] [2021-11-20 06:02:28,910 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575107,575120] [2021-11-20 06:02:28,911 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575250,575263] [2021-11-20 06:02:28,911 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575402,575415] [2021-11-20 06:02:28,911 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575548,575561] [2021-11-20 06:02:28,912 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575693,575706] [2021-11-20 06:02:28,912 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575847,575860] [2021-11-20 06:02:28,912 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575998,576011] [2021-11-20 06:02:28,912 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576153,576166] [2021-11-20 06:02:28,913 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576305,576318] [2021-11-20 06:02:28,913 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576460,576473] [2021-11-20 06:02:28,913 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576624,576637] [2021-11-20 06:02:28,916 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576780,576793] [2021-11-20 06:02:28,916 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576944,576957] [2021-11-20 06:02:28,917 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577086,577099] [2021-11-20 06:02:28,917 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577244,577257] [2021-11-20 06:02:28,917 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577411,577424] [2021-11-20 06:02:28,919 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577570,577583] [2021-11-20 06:02:28,920 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577729,577742] [2021-11-20 06:02:28,920 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577878,577891] [2021-11-20 06:02:28,921 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578025,578038] [2021-11-20 06:02:28,921 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578164,578177] [2021-11-20 06:02:28,921 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578327,578340] [2021-11-20 06:02:28,922 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578493,578506] [2021-11-20 06:02:28,922 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578657,578670] [2021-11-20 06:02:28,923 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578822,578835] [2021-11-20 06:02:28,923 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578987,579000] [2021-11-20 06:02:28,924 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579153,579166] [2021-11-20 06:02:28,924 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579318,579331] [2021-11-20 06:02:28,925 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579485,579498] [2021-11-20 06:02:28,925 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579645,579658] [2021-11-20 06:02:28,926 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579807,579820] [2021-11-20 06:02:28,927 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579966,579979] [2021-11-20 06:02:28,927 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580112,580125] [2021-11-20 06:02:28,927 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580255,580268] [2021-11-20 06:02:28,928 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580399,580412] [2021-11-20 06:02:28,928 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580542,580555] [2021-11-20 06:02:28,929 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580686,580699] [2021-11-20 06:02:28,930 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580827,580840] [2021-11-20 06:02:28,931 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580965,580978] [2021-11-20 06:02:28,934 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581123,581136] [2021-11-20 06:02:28,934 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581282,581295] [2021-11-20 06:02:28,939 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581438,581451] [2021-11-20 06:02:28,940 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581587,581600] [2021-11-20 06:02:28,941 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581739,581752] [2021-11-20 06:02:28,942 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581890,581903] [2021-11-20 06:02:28,943 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582039,582052] [2021-11-20 06:02:28,943 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582191,582204] [2021-11-20 06:02:28,943 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582339,582352] [2021-11-20 06:02:28,949 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582492,582505] [2021-11-20 06:02:28,950 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582643,582656] [2021-11-20 06:02:28,950 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582793,582806] [2021-11-20 06:02:28,951 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582940,582953] [2021-11-20 06:02:28,951 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583091,583104] [2021-11-20 06:02:28,952 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583242,583255] [2021-11-20 06:02:28,953 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583390,583403] [2021-11-20 06:02:28,954 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583556,583569] [2021-11-20 06:02:28,954 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583725,583738] [2021-11-20 06:02:28,955 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583892,583905] [2021-11-20 06:02:28,956 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584060,584073] [2021-11-20 06:02:28,956 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584210,584223] [2021-11-20 06:02:28,957 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584357,584370] [2021-11-20 06:02:28,957 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584518,584531] [2021-11-20 06:02:28,957 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584688,584701] [2021-11-20 06:02:28,958 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_d71cc926-fbb2-41d0-a5cd-647150c1297d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584850,584863] [2021-11-20 06:02:28,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:02:29,530 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:02:29,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:29 WrapperNode [2021-11-20 06:02:29,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:02:29,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:02:29,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:02:29,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:02:29,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:29" (1/1) ... [2021-11-20 06:02:29,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:29" (1/1) ... [2021-11-20 06:02:30,345 INFO L137 Inliner]: procedures = 984, calls = 4896, calls flagged for inlining = 497, calls inlined = 414, statements flattened = 12961 [2021-11-20 06:02:30,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:02:30,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:02:30,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:02:30,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:02:30,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:29" (1/1) ... [2021-11-20 06:02:30,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:29" (1/1) ... [2021-11-20 06:02:30,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:29" (1/1) ... [2021-11-20 06:02:30,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:29" (1/1) ... [2021-11-20 06:02:30,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:29" (1/1) ... [2021-11-20 06:02:31,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:29" (1/1) ... [2021-11-20 06:02:31,103 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:29" (1/1) ... [2021-11-20 06:02:31,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:02:31,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:02:31,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:02:31,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:02:31,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:29" (1/1) ... [2021-11-20 06:02:31,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:02:31,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71cc926-fbb2-41d0-a5cd-647150c1297d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:02:31,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71cc926-fbb2-41d0-a5cd-647150c1297d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:02:31,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71cc926-fbb2-41d0-a5cd-647150c1297d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:02:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_127 [2021-11-20 06:02:31,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_127 [2021-11-20 06:02:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-20 06:02:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_unmap [2021-11-20 06:02:31,477 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_unmap [2021-11-20 06:02:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure queue_kthread_work [2021-11-20 06:02:31,477 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_kthread_work [2021-11-20 06:02:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_request_queue [2021-11-20 06:02:31,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_request_queue [2021-11-20 06:02:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_inf_exc_page [2021-11-20 06:02:31,478 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_inf_exc_page [2021-11-20 06:02:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_cq [2021-11-20 06:02:31,479 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_cq [2021-11-20 06:02:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-20 06:02:31,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-20 06:02:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2021-11-20 06:02:31,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2021-11-20 06:02:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_setup_prps [2021-11-20 06:02:31,481 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_setup_prps [2021-11-20 06:02:31,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 06:02:31,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-20 06:02:31,482 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 06:02:31,482 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 06:02:31,482 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2021-11-20 06:02:31,482 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2021-11-20 06:02:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_suspend [2021-11-20 06:02:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_suspend [2021-11-20 06:02:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_copy_to_user [2021-11-20 06:02:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_copy_to_user [2021-11-20 06:02:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_release_instance [2021-11-20 06:02:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_release_instance [2021-11-20 06:02:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 06:02:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 06:02:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-11-20 06:02:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-11-20 06:02:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_cmd [2021-11-20 06:02:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_cmd [2021-11-20 06:02:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_resume [2021-11-20 06:02:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_resume [2021-11-20 06:02:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_start [2021-11-20 06:02:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_start [2021-11-20 06:02:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 06:02:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 06:02:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2021-11-20 06:02:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2021-11-20 06:02:31,485 INFO L130 BoogieDeclarations]: Found specification of procedure blk_integrity_unregister [2021-11-20 06:02:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_integrity_unregister [2021-11-20 06:02:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 06:02:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 06:02:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dif_remap [2021-11-20 06:02:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dif_remap [2021-11-20 06:02:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-20 06:02:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-20 06:02:31,486 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_identify [2021-11-20 06:02:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_identify [2021-11-20 06:02:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 06:02:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 06:02:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_ioctl [2021-11-20 06:02:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_ioctl [2021-11-20 06:02:31,487 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 06:02:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 06:02:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-11-20 06:02:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-11-20 06:02:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2021-11-20 06:02:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2021-11-20 06:02:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2021-11-20 06:02:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2021-11-20 06:02:31,488 INFO L130 BoogieDeclarations]: Found specification of procedure db_bar_size [2021-11-20 06:02:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure db_bar_size [2021-11-20 06:02:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 06:02:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 06:02:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_process_cq [2021-11-20 06:02:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_process_cq [2021-11-20 06:02:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-20 06:02:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-20 06:02:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:02:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-20 06:02:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-20 06:02:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 06:02:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 06:02:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_free_queues [2021-11-20 06:02:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_free_queues [2021-11-20 06:02:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-11-20 06:02:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-11-20 06:02:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure queue_request_irq [2021-11-20 06:02:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_request_irq [2021-11-20 06:02:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_tag_set [2021-11-20 06:02:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_alloc_tag_set [2021-11-20 06:02:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 06:02:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 06:02:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-20 06:02:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-20 06:02:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-20 06:02:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-20 06:02:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2021-11-20 06:02:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2021-11-20 06:02:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-20 06:02:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-20 06:02:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_init_queue [2021-11-20 06:02:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_init_queue [2021-11-20 06:02:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-20 06:02:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-20 06:02:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-20 06:02:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-20 06:02:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get_unless_zero [2021-11-20 06:02:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get_unless_zero [2021-11-20 06:02:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2021-11-20 06:02:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2021-11-20 06:02:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:02:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-20 06:02:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-20 06:02:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-20 06:02:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-20 06:02:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-20 06:02:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-20 06:02:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:02:31,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 06:02:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 06:02:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:02:31,502 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2021-11-20 06:02:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2021-11-20 06:02:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 06:02:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_del_queue_end [2021-11-20 06:02:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_del_queue_end [2021-11-20 06:02:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-20 06:02:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-20 06:02:31,503 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_control_page [2021-11-20 06:02:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_control_page [2021-11-20 06:02:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2021-11-20 06:02:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2021-11-20 06:02:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_threaded_irq [2021-11-20 06:02:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_threaded_irq [2021-11-20 06:02:31,504 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2021-11-20 06:02:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2021-11-20 06:02:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_list_remove [2021-11-20 06:02:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_list_remove [2021-11-20 06:02:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 06:02:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 06:02:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_unmap_user_pages [2021-11-20 06:02:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_unmap_user_pages [2021-11-20 06:02:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_clear_queue [2021-11-20 06:02:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_clear_queue [2021-11-20 06:02:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:02:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:02:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_cmd_size [2021-11-20 06:02:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_cmd_size [2021-11-20 06:02:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-20 06:02:31,506 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-20 06:02:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_wait_ready [2021-11-20 06:02:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_wait_ready [2021-11-20 06:02:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_revalidate_disk [2021-11-20 06:02:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_revalidate_disk [2021-11-20 06:02:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-20 06:02:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-20 06:02:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 06:02:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_info [2021-11-20 06:02:31,507 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_info [2021-11-20 06:02:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-20 06:02:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-20 06:02:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_irq_hints [2021-11-20 06:02:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_irq_hints [2021-11-20 06:02:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-20 06:02:31,508 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-20 06:02:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_sg_attrs [2021-11-20 06:02:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_sg_attrs [2021-11-20 06:02:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-20 06:02:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-20 06:02:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-20 06:02:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-20 06:02:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_freeze_queue_start [2021-11-20 06:02:31,509 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_freeze_queue_start [2021-11-20 06:02:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_init_queue [2021-11-20 06:02:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_init_queue [2021-11-20 06:02:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_io [2021-11-20 06:02:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_io [2021-11-20 06:02:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-11-20 06:02:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-11-20 06:02:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 06:02:31,510 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 06:02:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-20 06:02:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-20 06:02:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-20 06:02:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-20 06:02:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_list_lock [2021-11-20 06:02:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_list_lock [2021-11-20 06:02:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-20 06:02:31,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-20 06:02:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-20 06:02:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-20 06:02:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-20 06:02:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-20 06:02:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_node [2021-11-20 06:02:31,512 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_node [2021-11-20 06:02:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:02:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 06:02:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 06:02:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_remove [2021-11-20 06:02:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_remove [2021-11-20 06:02:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-20 06:02:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-20 06:02:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-11-20 06:02:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-11-20 06:02:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2021-11-20 06:02:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2021-11-20 06:02:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 06:02:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-20 06:02:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:02:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-20 06:02:31,514 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-20 06:02:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2021-11-20 06:02:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2021-11-20 06:02:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_dev_list_lock [2021-11-20 06:02:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_dev_list_lock [2021-11-20 06:02:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_nvme_queue [2021-11-20 06:02:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_nvme_queue [2021-11-20 06:02:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 06:02:31,516 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 06:02:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_request [2021-11-20 06:02:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_request [2021-11-20 06:02:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_admin_cmd [2021-11-20 06:02:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_admin_cmd [2021-11-20 06:02:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-20 06:02:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-20 06:02:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 06:02:31,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 06:02:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-20 06:02:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-20 06:02:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_copy_from_user [2021-11-20 06:02:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_copy_from_user [2021-11-20 06:02:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-20 06:02:31,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-20 06:02:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-20 06:02:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-20 06:02:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-20 06:02:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-20 06:02:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 06:02:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 06:02:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:02:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_kick_requeue_list [2021-11-20 06:02:31,519 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_kick_requeue_list [2021-11-20 06:02:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 06:02:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 06:02:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2021-11-20 06:02:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2021-11-20 06:02:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_worker_fn [2021-11-20 06:02:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2021-11-20 06:02:31,520 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2021-11-20 06:02:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_disable_queue [2021-11-20 06:02:31,572 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_disable_queue [2021-11-20 06:02:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure iod_list [2021-11-20 06:02:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_list [2021-11-20 06:02:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_shutdown [2021-11-20 06:02:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_shutdown [2021-11-20 06:02:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_126 [2021-11-20 06:02:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_126 [2021-11-20 06:02:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_alloc_iod [2021-11-20 06:02:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_alloc_iod [2021-11-20 06:02:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_q_lock_of_nvme_queue [2021-11-20 06:02:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_q_lock_of_nvme_queue [2021-11-20 06:02:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-20 06:02:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-20 06:02:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_hctx_request [2021-11-20 06:02:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_hctx_request [2021-11-20 06:02:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_status_code [2021-11-20 06:02:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_status_code [2021-11-20 06:02:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2021-11-20 06:02:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2021-11-20 06:02:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_free_iod [2021-11-20 06:02:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_free_iod [2021-11-20 06:02:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-11-20 06:02:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-11-20 06:02:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-11-20 06:02:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-11-20 06:02:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-20 06:02:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-20 06:02:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-11-20 06:02:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-11-20 06:02:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-20 06:02:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-20 06:02:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-20 06:02:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-20 06:02:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-20 06:02:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-20 06:02:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 06:02:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 06:02:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_complete_request [2021-11-20 06:02:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_complete_request [2021-11-20 06:02:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-20 06:02:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-20 06:02:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 06:02:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 06:02:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-20 06:02:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-20 06:02:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_caching_page [2021-11-20 06:02:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_caching_page [2021-11-20 06:02:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_submit_cmd [2021-11-20 06:02:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_submit_cmd [2021-11-20 06:02:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2021-11-20 06:02:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2021-11-20 06:02:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_get_features [2021-11-20 06:02:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_get_features [2021-11-20 06:02:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_unfreeze_queue [2021-11-20 06:02:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_unfreeze_queue [2021-11-20 06:02:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-20 06:02:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-20 06:02:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-20 06:02:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-20 06:02:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_read_capacity [2021-11-20 06:02:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_read_capacity [2021-11-20 06:02:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 06:02:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 06:02:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2021-11-20 06:02:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2021-11-20 06:02:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 06:02:31,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 06:02:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-20 06:02:31,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-20 06:02:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-11-20 06:02:31,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-11-20 06:02:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:02:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-20 06:02:31,578 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-20 06:02:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure iod_get_private [2021-11-20 06:02:31,578 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_get_private [2021-11-20 06:02:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_remove_admin [2021-11-20 06:02:31,578 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_remove_admin [2021-11-20 06:02:31,578 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_queue [2021-11-20 06:02:31,579 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_queue [2021-11-20 06:02:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-20 06:02:31,579 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-20 06:02:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 06:02:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2021-11-20 06:02:31,579 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2021-11-20 06:02:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-20 06:02:31,579 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-20 06:02:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 06:02:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2021-11-20 06:02:31,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2021-11-20 06:02:31,579 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_submit_admin_cmd [2021-11-20 06:02:31,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_submit_admin_cmd [2021-11-20 06:02:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-20 06:02:31,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-20 06:02:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_pow_cnd_page [2021-11-20 06:02:31,580 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_pow_cnd_page [2021-11-20 06:02:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_disable_ctrl [2021-11-20 06:02:31,580 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_disable_ctrl [2021-11-20 06:02:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_empty [2021-11-20 06:02:31,580 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_empty [2021-11-20 06:02:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-20 06:02:31,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-20 06:02:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 06:02:31,580 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 06:02:31,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-20 06:02:31,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-20 06:02:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-20 06:02:31,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-20 06:02:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_resume [2021-11-20 06:02:31,581 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_resume [2021-11-20 06:02:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-20 06:02:31,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-20 06:02:31,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-11-20 06:02:31,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-11-20 06:02:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-11-20 06:02:31,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-11-20 06:02:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-20 06:02:31,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-20 06:02:31,628 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_reset_failed_dev [2021-11-20 06:02:31,629 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_reset_failed_dev [2021-11-20 06:02:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_request_queue [2021-11-20 06:02:31,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_request_queue [2021-11-20 06:02:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure blk_integrity_rq [2021-11-20 06:02:31,629 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_integrity_rq [2021-11-20 06:02:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-11-20 06:02:31,629 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-11-20 06:02:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:02:31,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:02:31,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 06:02:31,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 06:02:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure fatal_signal_pending [2021-11-20 06:02:31,630 INFO L138 BoogieDeclarations]: Found implementation of procedure fatal_signal_pending [2021-11-20 06:02:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_alloc_queue [2021-11-20 06:02:31,630 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_alloc_queue [2021-11-20 06:02:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-20 06:02:31,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-20 06:02:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-20 06:02:31,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-20 06:02:31,630 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_io_cmd [2021-11-20 06:02:31,631 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_io_cmd [2021-11-20 06:02:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-20 06:02:31,631 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-20 06:02:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-20 06:02:31,631 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-20 06:02:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-11-20 06:02:31,631 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-11-20 06:02:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-20 06:02:31,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-20 06:02:31,631 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-20 06:02:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-20 06:02:31,632 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-20 06:02:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_request [2021-11-20 06:02:31,632 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_alloc_request [2021-11-20 06:02:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 06:02:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 06:02:31,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 06:02:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 06:02:31,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-20 06:02:31,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2021-11-20 06:02:31,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2021-11-20 06:02:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_sq [2021-11-20 06:02:31,633 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_sq [2021-11-20 06:02:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-20 06:02:31,633 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-20 06:02:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-11-20 06:02:31,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-11-20 06:02:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-11-20 06:02:31,633 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-11-20 06:02:31,633 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2021-11-20 06:02:31,634 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2021-11-20 06:02:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure __le64_to_cpup [2021-11-20 06:02:31,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __le64_to_cpup [2021-11-20 06:02:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure work_busy [2021-11-20 06:02:31,634 INFO L138 BoogieDeclarations]: Found implementation of procedure work_busy [2021-11-20 06:02:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_async_del_queue [2021-11-20 06:02:31,634 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_async_del_queue [2021-11-20 06:02:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-20 06:02:31,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-20 06:02:31,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:02:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2021-11-20 06:02:31,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2021-11-20 06:02:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-20 06:02:31,635 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-20 06:02:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 06:02:31,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 06:02:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-20 06:02:31,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-20 06:02:31,635 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_user_cmd [2021-11-20 06:02:31,635 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_user_cmd [2021-11-20 06:02:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-20 06:02:31,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-20 06:02:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_block_nr [2021-11-20 06:02:31,636 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_block_nr [2021-11-20 06:02:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 06:02:31,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 06:02:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-20 06:02:31,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-20 06:02:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_reset_workfn [2021-11-20 06:02:31,636 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_reset_workfn [2021-11-20 06:02:31,637 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-11-20 06:02:31,637 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-11-20 06:02:31,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2021-11-20 06:02:31,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2021-11-20 06:02:31,637 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-20 06:02:31,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-20 06:02:31,637 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_sync_cmd [2021-11-20 06:02:31,637 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_sync_cmd [2021-11-20 06:02:31,637 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_shutdown [2021-11-20 06:02:31,637 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_shutdown [2021-11-20 06:02:31,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-20 06:02:31,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-20 06:02:31,640 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_npages [2021-11-20 06:02:31,640 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_npages [2021-11-20 06:02:31,640 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 06:02:31,640 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 06:02:31,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-20 06:02:31,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-20 06:02:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_map_user_pages [2021-11-20 06:02:31,641 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_map_user_pages [2021-11-20 06:02:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_remove [2021-11-20 06:02:31,641 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_remove [2021-11-20 06:02:31,641 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-20 06:02:31,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-20 06:02:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_ioctl [2021-11-20 06:02:31,642 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_ioctl [2021-11-20 06:02:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-20 06:02:31,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-20 06:02:31,642 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_release_prp_pools [2021-11-20 06:02:31,642 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_release_prp_pools [2021-11-20 06:02:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_mode_page_create [2021-11-20 06:02:31,643 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_mode_page_create [2021-11-20 06:02:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-20 06:02:31,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-20 06:02:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-20 06:02:31,643 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-20 06:02:31,643 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_send_fw_cmd [2021-11-20 06:02:31,644 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_send_fw_cmd [2021-11-20 06:02:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2021-11-20 06:02:31,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2021-11-20 06:02:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure iod_init [2021-11-20 06:02:31,644 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_init [2021-11-20 06:02:31,644 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_reset [2021-11-20 06:02:31,645 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_reset [2021-11-20 06:02:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-11-20 06:02:31,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-11-20 06:02:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-11-20 06:02:31,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-11-20 06:02:31,645 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-20 06:02:31,645 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-20 06:02:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2021-11-20 06:02:31,646 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2021-11-20 06:02:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_suspend_queue [2021-11-20 06:02:31,646 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_suspend_queue [2021-11-20 06:02:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 06:02:31,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 06:02:31,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-20 06:02:31,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-20 06:02:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_completion [2021-11-20 06:02:31,647 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_completion [2021-11-20 06:02:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 06:02:31,647 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 06:02:31,647 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_features [2021-11-20 06:02:31,647 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_features [2021-11-20 06:02:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-20 06:02:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-20 06:02:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:02:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-11-20 06:02:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-11-20 06:02:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2021-11-20 06:02:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2021-11-20 06:02:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-20 06:02:33,190 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:02:33,197 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:02:48,414 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 06:03:08,640 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:03:08,681 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:03:08,681 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-20 06:03:08,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:03:08 BoogieIcfgContainer [2021-11-20 06:03:08,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:03:08,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:03:08,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:03:08,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:03:08,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:02:18" (1/3) ... [2021-11-20 06:03:08,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a4fc14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:03:08, skipping insertion in model container [2021-11-20 06:03:08,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:02:29" (2/3) ... [2021-11-20 06:03:08,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a4fc14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:03:08, skipping insertion in model container [2021-11-20 06:03:08,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:03:08" (3/3) ... [2021-11-20 06:03:08,697 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2021-11-20 06:03:08,703 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:03:08,703 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-11-20 06:03:08,768 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:03:08,774 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:03:08,774 INFO L340 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2021-11-20 06:03:08,867 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) [2021-11-20 06:03:08,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-20 06:03:08,875 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:03:08,876 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] [2021-11-20 06:03:08,876 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)] === [2021-11-20 06:03:08,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:03:08,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1101588570, now seen corresponding path program 1 times [2021-11-20 06:03:08,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:03:08,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540673479] [2021-11-20 06:03:08,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:03:08,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:03:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:03:09,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:03:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:03:09,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 06:03:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:03:09,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:03:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:03:09,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 06:03:09,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:03:09,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:03:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:03:09,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 06:03:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:03:09,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 06:03:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:03:09,749 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 06:03:09,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:03:09,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540673479] [2021-11-20 06:03:09,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540673479] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:03:09,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:03:09,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:03:09,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561227550] [2021-11-20 06:03:09,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:03:09,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:03:09,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:03:09,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:03:09,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:03:09,808 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) [2021-11-20 06:03:15,884 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:19,563 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:21,626 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:23,678 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:30,158 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:36,264 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:39,178 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:41,728 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:43,775 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:03:45,811 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:04:09,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:04:09,230 INFO L93 Difference]: Finished difference Result 13014 states and 18875 transitions. [2021-11-20 06:04:09,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 06:04:09,233 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 [2021-11-20 06:04:09,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:04:09,341 INFO L225 Difference]: With dead ends: 13014 [2021-11-20 06:04:09,341 INFO L226 Difference]: Without dead ends: 8612 [2021-11-20 06:04:09,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:04:09,406 INFO L933 BasicCegarLoop]: 5577 mSDtfsCounter, 17264 mSDsluCounter, 5100 mSDsCounter, 0 mSdLazyCounter, 11889 mSolverCounterSat, 9174 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17438 SdHoareTripleChecker+Valid, 10677 SdHoareTripleChecker+Invalid, 21073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 9174 IncrementalHoareTripleChecker+Valid, 11889 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:04:09,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17438 Valid, 10677 Invalid, 21073 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [9174 Valid, 11889 Invalid, 10 Unknown, 0 Unchecked, 57.8s Time] [2021-11-20 06:04:09,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8612 states. [2021-11-20 06:04:09,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8612 to 8403. [2021-11-20 06:04:10,005 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) [2021-11-20 06:04:10,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8403 states to 8403 states and 11638 transitions. [2021-11-20 06:04:10,279 INFO L78 Accepts]: Start accepts. Automaton has 8403 states and 11638 transitions. Word has length 51 [2021-11-20 06:04:10,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:04:10,279 INFO L470 AbstractCegarLoop]: Abstraction has 8403 states and 11638 transitions. [2021-11-20 06:04:10,280 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) [2021-11-20 06:04:10,280 INFO L276 IsEmpty]: Start isEmpty. Operand 8403 states and 11638 transitions. [2021-11-20 06:04:10,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-20 06:04:10,290 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:04:10,290 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] [2021-11-20 06:04:10,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:04:10,292 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)] === [2021-11-20 06:04:10,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:04:10,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1359046, now seen corresponding path program 1 times [2021-11-20 06:04:10,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:04:10,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377055560] [2021-11-20 06:04:10,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:04:10,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:04:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:04:10,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:04:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:04:10,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 06:04:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:04:10,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:04:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:04:10,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 06:04:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:04:10,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:04:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:04:10,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 06:04:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:04:10,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 06:04:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:04:10,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:04:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:04:10,733 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 06:04:10,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:04:10,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377055560] [2021-11-20 06:04:10,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377055560] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:04:10,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:04:10,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:04:10,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303811902] [2021-11-20 06:04:10,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:04:10,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:04:10,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:04:10,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:04:10,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:04:10,740 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) [2021-11-20 06:04:16,600 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:04:20,073 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:04:22,144 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:04:24,196 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:04:30,439 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:04:33,707 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:04:35,756 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:04:39,855 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:04:41,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:04:43,947 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:04:46,028 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:04:48,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:04:50,102 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:04:53,761 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:05:04,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:05:18,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:05:18,819 INFO L93 Difference]: Finished difference Result 16759 states and 23414 transitions. [2021-11-20 06:05:18,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 06:05:18,819 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 [2021-11-20 06:05:18,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:05:18,962 INFO L225 Difference]: With dead ends: 16759 [2021-11-20 06:05:18,963 INFO L226 Difference]: Without dead ends: 16757 [2021-11-20 06:05:18,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:05:18,974 INFO L933 BasicCegarLoop]: 5336 mSDtfsCounter, 17379 mSDsluCounter, 4710 mSDsCounter, 0 mSdLazyCounter, 11798 mSolverCounterSat, 9259 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17559 SdHoareTripleChecker+Valid, 10046 SdHoareTripleChecker+Invalid, 21072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9259 IncrementalHoareTripleChecker+Valid, 11798 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:05:18,975 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17559 Valid, 10046 Invalid, 21072 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9259 Valid, 11798 Invalid, 15 Unknown, 0 Unchecked, 66.8s Time] [2021-11-20 06:05:19,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16757 states. [2021-11-20 06:05:19,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16757 to 16544. [2021-11-20 06:05:19,780 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) [2021-11-20 06:05:19,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16544 states to 16544 states and 23193 transitions. [2021-11-20 06:05:19,881 INFO L78 Accepts]: Start accepts. Automaton has 16544 states and 23193 transitions. Word has length 57 [2021-11-20 06:05:19,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:05:19,883 INFO L470 AbstractCegarLoop]: Abstraction has 16544 states and 23193 transitions. [2021-11-20 06:05:19,884 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) [2021-11-20 06:05:19,884 INFO L276 IsEmpty]: Start isEmpty. Operand 16544 states and 23193 transitions. [2021-11-20 06:05:19,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-20 06:05:19,890 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:05:19,891 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] [2021-11-20 06:05:19,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:05:19,894 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)] === [2021-11-20 06:05:19,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:19,894 INFO L85 PathProgramCache]: Analyzing trace with hash 649822148, now seen corresponding path program 1 times [2021-11-20 06:05:19,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:19,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925616986] [2021-11-20 06:05:19,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:19,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:20,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:05:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:20,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 06:05:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:20,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 06:05:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:20,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:05:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:20,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:05:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:20,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-20 06:05:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:20,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-20 06:05:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:20,457 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 06:05:20,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:05:20,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925616986] [2021-11-20 06:05:20,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925616986] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:05:20,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:05:20,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:05:20,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109480390] [2021-11-20 06:05:20,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:05:20,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:05:20,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:05:20,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:05:20,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:05:20,460 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) [2021-11-20 06:05:28,324 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 06:05:37,605 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:05:42,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:05:42,414 INFO L93 Difference]: Finished difference Result 28783 states and 40916 transitions. [2021-11-20 06:05:42,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:05:42,415 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 [2021-11-20 06:05:42,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:05:42,570 INFO L225 Difference]: With dead ends: 28783 [2021-11-20 06:05:42,570 INFO L226 Difference]: Without dead ends: 28781 [2021-11-20 06:05:42,589 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 [2021-11-20 06:05:42,590 INFO L933 BasicCegarLoop]: 6492 mSDtfsCounter, 7784 mSDsluCounter, 16279 mSDsCounter, 0 mSdLazyCounter, 6300 mSolverCounterSat, 2710 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8587 SdHoareTripleChecker+Valid, 22771 SdHoareTripleChecker+Invalid, 9012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2710 IncrementalHoareTripleChecker+Valid, 6300 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:05:42,590 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8587 Valid, 22771 Invalid, 9012 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2710 Valid, 6300 Invalid, 2 Unknown, 0 Unchecked, 20.7s Time] [2021-11-20 06:05:42,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28781 states. [2021-11-20 06:05:43,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28781 to 26692. [2021-11-20 06:05:43,801 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) [2021-11-20 06:05:44,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26692 states to 26692 states and 37241 transitions. [2021-11-20 06:05:44,206 INFO L78 Accepts]: Start accepts. Automaton has 26692 states and 37241 transitions. Word has length 59 [2021-11-20 06:05:44,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:05:44,207 INFO L470 AbstractCegarLoop]: Abstraction has 26692 states and 37241 transitions. [2021-11-20 06:05:44,207 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) [2021-11-20 06:05:44,207 INFO L276 IsEmpty]: Start isEmpty. Operand 26692 states and 37241 transitions. [2021-11-20 06:05:44,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-20 06:05:44,208 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:05:44,209 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] [2021-11-20 06:05:44,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:05:44,209 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)] === [2021-11-20 06:05:44,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:44,211 INFO L85 PathProgramCache]: Analyzing trace with hash 654427044, now seen corresponding path program 1 times [2021-11-20 06:05:44,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:44,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193675052] [2021-11-20 06:05:44,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:44,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:44,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:05:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:44,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 06:05:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:44,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:05:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:44,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 06:05:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:44,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:05:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:44,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 06:05:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:44,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 06:05:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:44,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:05:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:44,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 06:05:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:44,750 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 06:05:44,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:05:44,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193675052] [2021-11-20 06:05:44,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193675052] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:05:44,751 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:05:44,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:05:44,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319285651] [2021-11-20 06:05:44,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:05:44,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:05:44,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:05:44,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:05:44,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:05:44,753 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) [2021-11-20 06:05:49,559 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:05:52,221 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:05:54,338 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:05:56,412 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:06:09,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:06:09,974 INFO L93 Difference]: Finished difference Result 26692 states and 37241 transitions. [2021-11-20 06:06:09,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:06:09,981 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 [2021-11-20 06:06:09,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:06:10,108 INFO L225 Difference]: With dead ends: 26692 [2021-11-20 06:06:10,108 INFO L226 Difference]: Without dead ends: 26690 [2021-11-20 06:06:10,124 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 [2021-11-20 06:06:10,125 INFO L933 BasicCegarLoop]: 5082 mSDtfsCounter, 10714 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5444 mSolverCounterSat, 5482 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s 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, 24.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:06:10,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10889 Valid, 7794 Invalid, 10930 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5482 Valid, 5444 Invalid, 4 Unknown, 0 Unchecked, 24.2s Time] [2021-11-20 06:06:10,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26690 states. [2021-11-20 06:06:11,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26690 to 26690. [2021-11-20 06:06:11,403 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) [2021-11-20 06:06:11,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26690 states to 26690 states and 37239 transitions. [2021-11-20 06:06:11,565 INFO L78 Accepts]: Start accepts. Automaton has 26690 states and 37239 transitions. Word has length 63 [2021-11-20 06:06:11,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:06:11,568 INFO L470 AbstractCegarLoop]: Abstraction has 26690 states and 37239 transitions. [2021-11-20 06:06:11,568 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) [2021-11-20 06:06:11,568 INFO L276 IsEmpty]: Start isEmpty. Operand 26690 states and 37239 transitions. [2021-11-20 06:06:11,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-20 06:06:11,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:06:11,570 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] [2021-11-20 06:06:11,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:06:11,570 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)] === [2021-11-20 06:06:11,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:06:11,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1723350941, now seen corresponding path program 1 times [2021-11-20 06:06:11,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:06:11,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514435453] [2021-11-20 06:06:11,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:06:11,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:06:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:11,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:06:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:11,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 06:06:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:11,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:06:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:11,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 06:06:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:11,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:06:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:11,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 06:06:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:11,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 06:06:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:11,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:06:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:11,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 06:06:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:11,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 06:06:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:11,915 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 06:06:11,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:06:11,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514435453] [2021-11-20 06:06:11,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514435453] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:06:11,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:06:11,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:06:11,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640513352] [2021-11-20 06:06:11,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:06:11,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:06:11,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:06:11,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:06:11,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:06:11,919 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) [2021-11-20 06:06:17,062 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:06:19,732 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:06:21,771 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:06:23,822 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:06:28,023 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:06:40,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:06:40,780 INFO L93 Difference]: Finished difference Result 26690 states and 37239 transitions. [2021-11-20 06:06:40,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:06:40,781 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 [2021-11-20 06:06:40,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:06:40,921 INFO L225 Difference]: With dead ends: 26690 [2021-11-20 06:06:40,922 INFO L226 Difference]: Without dead ends: 26688 [2021-11-20 06:06:40,939 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 [2021-11-20 06:06:40,939 INFO L933 BasicCegarLoop]: 5081 mSDtfsCounter, 10709 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5440 mSolverCounterSat, 5454 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10910 SdHoareTripleChecker+Valid, 7793 SdHoareTripleChecker+Invalid, 10899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5454 IncrementalHoareTripleChecker+Valid, 5440 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:06:40,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10910 Valid, 7793 Invalid, 10899 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 5440 Invalid, 5 Unknown, 0 Unchecked, 27.8s Time] [2021-11-20 06:06:40,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26688 states. [2021-11-20 06:06:42,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26688 to 26688. [2021-11-20 06:06:42,226 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) [2021-11-20 06:06:42,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26688 states to 26688 states and 37237 transitions. [2021-11-20 06:06:42,405 INFO L78 Accepts]: Start accepts. Automaton has 26688 states and 37237 transitions. Word has length 69 [2021-11-20 06:06:42,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:06:42,406 INFO L470 AbstractCegarLoop]: Abstraction has 26688 states and 37237 transitions. [2021-11-20 06:06:42,406 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) [2021-11-20 06:06:42,406 INFO L276 IsEmpty]: Start isEmpty. Operand 26688 states and 37237 transitions. [2021-11-20 06:06:42,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-20 06:06:42,408 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:06:42,408 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] [2021-11-20 06:06:42,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:06:42,409 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)] === [2021-11-20 06:06:42,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:06:42,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1803048832, now seen corresponding path program 1 times [2021-11-20 06:06:42,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:06:42,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843224400] [2021-11-20 06:06:42,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:06:42,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:06:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:42,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:06:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:42,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 06:06:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:42,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 06:06:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:42,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:06:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:42,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:06:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:42,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-20 06:06:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:42,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-20 06:06:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:42,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 06:06:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:42,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-20 06:06:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:42,823 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-20 06:06:42,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:06:42,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843224400] [2021-11-20 06:06:42,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843224400] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:06:42,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:06:42,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:06:42,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867147447] [2021-11-20 06:06:42,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:06:42,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:06:42,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:06:42,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:06:42,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:06:42,827 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) [2021-11-20 06:06:52,829 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:06:57,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:06:57,128 INFO L93 Difference]: Finished difference Result 28362 states and 40432 transitions. [2021-11-20 06:06:57,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:06:57,129 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 [2021-11-20 06:06:57,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:06:57,285 INFO L225 Difference]: With dead ends: 28362 [2021-11-20 06:06:57,285 INFO L226 Difference]: Without dead ends: 28360 [2021-11-20 06:06:57,305 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 [2021-11-20 06:06:57,306 INFO L933 BasicCegarLoop]: 5751 mSDtfsCounter, 6631 mSDsluCounter, 12148 mSDsCounter, 0 mSdLazyCounter, 3927 mSolverCounterSat, 2040 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7220 SdHoareTripleChecker+Valid, 17899 SdHoareTripleChecker+Invalid, 5968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2040 IncrementalHoareTripleChecker+Valid, 3927 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:06:57,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7220 Valid, 17899 Invalid, 5968 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2040 Valid, 3927 Invalid, 1 Unknown, 0 Unchecked, 13.0s Time] [2021-11-20 06:06:57,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28360 states. [2021-11-20 06:06:58,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28360 to 26686. [2021-11-20 06:06:58,934 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) [2021-11-20 06:06:59,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26686 states to 26686 states and 37228 transitions. [2021-11-20 06:06:59,263 INFO L78 Accepts]: Start accepts. Automaton has 26686 states and 37228 transitions. Word has length 72 [2021-11-20 06:06:59,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:06:59,265 INFO L470 AbstractCegarLoop]: Abstraction has 26686 states and 37228 transitions. [2021-11-20 06:06:59,265 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) [2021-11-20 06:06:59,266 INFO L276 IsEmpty]: Start isEmpty. Operand 26686 states and 37228 transitions. [2021-11-20 06:06:59,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-20 06:06:59,269 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:06:59,269 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] [2021-11-20 06:06:59,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 06:06:59,269 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)] === [2021-11-20 06:06:59,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:06:59,270 INFO L85 PathProgramCache]: Analyzing trace with hash -248227078, now seen corresponding path program 1 times [2021-11-20 06:06:59,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:06:59,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262382161] [2021-11-20 06:06:59,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:06:59,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:06:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:59,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:06:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:59,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 06:06:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:59,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:06:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:59,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 06:06:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:59,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:06:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:59,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 06:06:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:59,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 06:06:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:59,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:06:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:59,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 06:06:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:59,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 06:06:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:59,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 06:06:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:06:59,782 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 06:06:59,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:06:59,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262382161] [2021-11-20 06:06:59,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262382161] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:06:59,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:06:59,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:06:59,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561683971] [2021-11-20 06:06:59,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:06:59,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:06:59,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:06:59,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:06:59,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:06:59,785 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) [2021-11-20 06:07:05,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:07:08,106 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:07:10,155 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:07:12,190 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:07:18,845 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:07:21,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:07:23,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:07:28,025 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:07:30,053 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:07:32,091 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:07:34,146 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:07:36,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:07:38,252 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:07:39,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:07:42,629 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:07:49,737 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:08:00,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:08:00,015 INFO L93 Difference]: Finished difference Result 27093 states and 37697 transitions. [2021-11-20 06:08:00,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 06:08:00,016 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 [2021-11-20 06:08:00,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:08:00,153 INFO L225 Difference]: With dead ends: 27093 [2021-11-20 06:08:00,154 INFO L226 Difference]: Without dead ends: 27091 [2021-11-20 06:08:00,167 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 [2021-11-20 06:08:00,168 INFO L933 BasicCegarLoop]: 5485 mSDtfsCounter, 14323 mSDsluCounter, 4593 mSDsCounter, 0 mSdLazyCounter, 9113 mSolverCounterSat, 7629 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.5s 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, 58.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:08:00,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14521 Valid, 10078 Invalid, 16757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7629 Valid, 9113 Invalid, 15 Unknown, 0 Unchecked, 58.7s Time] [2021-11-20 06:08:00,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27091 states. [2021-11-20 06:08:01,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27091 to 26917. [2021-11-20 06:08:01,523 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) [2021-11-20 06:08:01,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26917 states to 26917 states and 37519 transitions. [2021-11-20 06:08:01,891 INFO L78 Accepts]: Start accepts. Automaton has 26917 states and 37519 transitions. Word has length 75 [2021-11-20 06:08:01,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:08:01,892 INFO L470 AbstractCegarLoop]: Abstraction has 26917 states and 37519 transitions. [2021-11-20 06:08:01,893 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) [2021-11-20 06:08:01,893 INFO L276 IsEmpty]: Start isEmpty. Operand 26917 states and 37519 transitions. [2021-11-20 06:08:01,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-20 06:08:01,903 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:08:01,903 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] [2021-11-20 06:08:01,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 06:08:01,904 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)] === [2021-11-20 06:08:01,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:08:01,904 INFO L85 PathProgramCache]: Analyzing trace with hash -285808940, now seen corresponding path program 1 times [2021-11-20 06:08:01,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:08:01,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268633468] [2021-11-20 06:08:01,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:08:01,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:08:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:08:02,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:08:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:08:02,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 06:08:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:08:02,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:08:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:08:02,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 06:08:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:08:02,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:08:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:08:02,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 06:08:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:08:02,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 06:08:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:08:02,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-20 06:08:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:08:02,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 06:08:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:08:02,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:08:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:08:02,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 06:08:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:08:02,558 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 06:08:02,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:08:02,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268633468] [2021-11-20 06:08:02,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268633468] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:08:02,559 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:08:02,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 06:08:02,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664184790] [2021-11-20 06:08:02,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:08:02,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:08:02,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:08:02,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:08:02,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:08:02,562 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) [2021-11-20 06:08:11,606 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:08:13,623 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:08:15,633 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:08:19,005 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:08:21,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:08:23,078 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:08:25,152 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:08:27,171 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:08:29,183 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:08:31,243 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:08:33,268 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:08:35,276 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:08:41,877 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:08:43,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:08:45,927 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:08:47,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:08:52,926 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:08:54,943 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:08:56,987 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:08:59,005 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:09:01,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:09:03,139 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:09:05,151 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:09:07,198 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:09:09,250 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:09:11,270 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:09:13,286 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:09:15,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:09:18,126 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:09:21,542 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:09:23,722 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:09:26,772 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 06:09:30,537 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:09:34,591 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:09:39,277 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:09:49,623 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:10:07,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:07,197 INFO L93 Difference]: Finished difference Result 37015 states and 51040 transitions. [2021-11-20 06:10:07,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 06:10:07,197 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 [2021-11-20 06:10:07,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:07,345 INFO L225 Difference]: With dead ends: 37015 [2021-11-20 06:10:07,345 INFO L226 Difference]: Without dead ends: 36500 [2021-11-20 06:10:07,364 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 [2021-11-20 06:10:07,365 INFO L933 BasicCegarLoop]: 5185 mSDtfsCounter, 14093 mSDsluCounter, 7629 mSDsCounter, 0 mSdLazyCounter, 18444 mSolverCounterSat, 7684 mSolverCounterUnsat, 35 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 115.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14204 SdHoareTripleChecker+Valid, 12814 SdHoareTripleChecker+Invalid, 26163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7684 IncrementalHoareTripleChecker+Valid, 18444 IncrementalHoareTripleChecker+Invalid, 35 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 122.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:07,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14204 Valid, 12814 Invalid, 26163 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7684 Valid, 18444 Invalid, 35 Unknown, 0 Unchecked, 122.4s Time] [2021-11-20 06:10:07,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36500 states. [2021-11-20 06:10:08,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36500 to 36105. [2021-11-20 06:10:08,992 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) [2021-11-20 06:10:09,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36105 states to 36105 states and 49981 transitions. [2021-11-20 06:10:09,410 INFO L78 Accepts]: Start accepts. Automaton has 36105 states and 49981 transitions. Word has length 77 [2021-11-20 06:10:09,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:09,411 INFO L470 AbstractCegarLoop]: Abstraction has 36105 states and 49981 transitions. [2021-11-20 06:10:09,411 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) [2021-11-20 06:10:09,411 INFO L276 IsEmpty]: Start isEmpty. Operand 36105 states and 49981 transitions. [2021-11-20 06:10:09,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-20 06:10:09,413 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:09,413 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] [2021-11-20 06:10:09,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 06:10:09,414 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)] === [2021-11-20 06:10:09,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:09,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1741440128, now seen corresponding path program 1 times [2021-11-20 06:10:09,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:10:09,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304750245] [2021-11-20 06:10:09,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:09,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:10:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:09,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:10:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:09,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 06:10:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:09,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:10:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:09,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 06:10:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:09,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:09,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 06:10:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:09,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 06:10:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:09,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:10:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:09,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 06:10:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:09,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 06:10:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:09,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 06:10:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:09,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 06:10:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:09,782 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 06:10:09,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:10:09,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304750245] [2021-11-20 06:10:09,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304750245] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:09,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:09,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:10:09,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755906861] [2021-11-20 06:10:09,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:09,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:10:09,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:10:09,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:10:09,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:10:09,786 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) [2021-11-20 06:10:15,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:10:18,075 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:10:20,152 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:10:22,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:10:26,998 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:10:41,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:10:41,029 INFO L93 Difference]: Finished difference Result 36105 states and 49981 transitions. [2021-11-20 06:10:41,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:10:41,030 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 [2021-11-20 06:10:41,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:10:41,152 INFO L225 Difference]: With dead ends: 36105 [2021-11-20 06:10:41,152 INFO L226 Difference]: Without dead ends: 36103 [2021-11-20 06:10:41,165 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 [2021-11-20 06:10:41,166 INFO L933 BasicCegarLoop]: 5077 mSDtfsCounter, 10697 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5436 mSolverCounterSat, 5454 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.4s 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, 29.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:10:41,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10896 Valid, 7789 Invalid, 10895 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 5436 Invalid, 5 Unknown, 0 Unchecked, 29.3s Time] [2021-11-20 06:10:41,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36103 states. [2021-11-20 06:10:42,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36103 to 36103. [2021-11-20 06:10:42,797 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) [2021-11-20 06:10:43,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36103 states to 36103 states and 49979 transitions. [2021-11-20 06:10:43,209 INFO L78 Accepts]: Start accepts. Automaton has 36103 states and 49979 transitions. Word has length 81 [2021-11-20 06:10:43,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:10:43,210 INFO L470 AbstractCegarLoop]: Abstraction has 36103 states and 49979 transitions. [2021-11-20 06:10:43,210 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) [2021-11-20 06:10:43,210 INFO L276 IsEmpty]: Start isEmpty. Operand 36103 states and 49979 transitions. [2021-11-20 06:10:43,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-20 06:10:43,213 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:10:43,213 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] [2021-11-20 06:10:43,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 06:10:43,213 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)] === [2021-11-20 06:10:43,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:10:43,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1253502247, now seen corresponding path program 1 times [2021-11-20 06:10:43,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:10:43,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140451941] [2021-11-20 06:10:43,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:10:43,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:10:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:43,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:10:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:43,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 06:10:43,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:43,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:10:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:43,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 06:10:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:43,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:10:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:43,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 06:10:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:43,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 06:10:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:43,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-20 06:10:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:43,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-20 06:10:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:43,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-20 06:10:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:43,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-20 06:10:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:43,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-20 06:10:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:10:43,599 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-20 06:10:43,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:10:43,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140451941] [2021-11-20 06:10:43,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140451941] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:10:43,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:10:43,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:10:43,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734125106] [2021-11-20 06:10:43,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:10:43,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:10:43,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:10:43,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:10:43,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:10:43,602 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) [2021-11-20 06:10:49,210 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:10:52,217 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:10:54,459 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:10:56,545 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:00,194 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 06:11:17,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:11:17,590 INFO L93 Difference]: Finished difference Result 36135 states and 50023 transitions. [2021-11-20 06:11:17,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:11:17,591 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 [2021-11-20 06:11:17,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:11:17,708 INFO L225 Difference]: With dead ends: 36135 [2021-11-20 06:11:17,708 INFO L226 Difference]: Without dead ends: 36133 [2021-11-20 06:11:17,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-20 06:11:17,722 INFO L933 BasicCegarLoop]: 5075 mSDtfsCounter, 14022 mSDsluCounter, 3193 mSDsCounter, 0 mSdLazyCounter, 5658 mSolverCounterSat, 7342 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s 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, 32.2s IncrementalHoareTripleChecker+Time [2021-11-20 06:11:17,722 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14223 Valid, 8268 Invalid, 13005 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7342 Valid, 5658 Invalid, 5 Unknown, 0 Unchecked, 32.2s Time] [2021-11-20 06:11:17,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36133 states. [2021-11-20 06:11:19,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36133 to 36109. [2021-11-20 06:11:19,260 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) [2021-11-20 06:11:19,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36109 states to 36109 states and 49978 transitions. [2021-11-20 06:11:19,444 INFO L78 Accepts]: Start accepts. Automaton has 36109 states and 49978 transitions. Word has length 82 [2021-11-20 06:11:19,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:11:19,445 INFO L470 AbstractCegarLoop]: Abstraction has 36109 states and 49978 transitions. [2021-11-20 06:11:19,445 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) [2021-11-20 06:11:19,445 INFO L276 IsEmpty]: Start isEmpty. Operand 36109 states and 49978 transitions. [2021-11-20 06:11:19,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-20 06:11:19,447 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:11:19,447 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] [2021-11-20 06:11:19,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 06:11:19,448 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)] === [2021-11-20 06:11:19,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:11:19,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1195476582, now seen corresponding path program 1 times [2021-11-20 06:11:19,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:11:19,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860164360] [2021-11-20 06:11:19,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:11:19,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:11:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:19,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:11:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:19,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 06:11:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:19,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:11:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:19,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 06:11:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:19,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:11:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:19,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 06:11:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:19,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 06:11:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:19,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:11:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:19,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 06:11:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:19,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 06:11:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:19,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 06:11:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:19,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 06:11:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:19,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 06:11:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:19,962 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 06:11:19,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:11:19,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860164360] [2021-11-20 06:11:19,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860164360] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:11:19,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:11:19,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:11:19,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426802334] [2021-11-20 06:11:19,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:11:19,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:11:19,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:11:19,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:11:19,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:11:19,966 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) [2021-11-20 06:11:25,789 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:28,690 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:30,772 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:32,814 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:41,222 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:11:53,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:11:53,414 INFO L93 Difference]: Finished difference Result 36109 states and 49978 transitions. [2021-11-20 06:11:53,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:11:53,415 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 [2021-11-20 06:11:53,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:11:53,554 INFO L225 Difference]: With dead ends: 36109 [2021-11-20 06:11:53,554 INFO L226 Difference]: Without dead ends: 36107 [2021-11-20 06:11:53,571 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 [2021-11-20 06:11:53,572 INFO L933 BasicCegarLoop]: 5073 mSDtfsCounter, 10685 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5432 mSolverCounterSat, 5454 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s 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, 31.3s IncrementalHoareTripleChecker+Time [2021-11-20 06:11:53,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10883 Valid, 7785 Invalid, 10891 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 5432 Invalid, 5 Unknown, 0 Unchecked, 31.3s Time] [2021-11-20 06:11:53,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36107 states. [2021-11-20 06:11:55,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36107 to 36107. [2021-11-20 06:11:55,680 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) [2021-11-20 06:11:55,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36107 states to 36107 states and 49976 transitions. [2021-11-20 06:11:55,865 INFO L78 Accepts]: Start accepts. Automaton has 36107 states and 49976 transitions. Word has length 87 [2021-11-20 06:11:55,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:11:55,865 INFO L470 AbstractCegarLoop]: Abstraction has 36107 states and 49976 transitions. [2021-11-20 06:11:55,866 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) [2021-11-20 06:11:55,866 INFO L276 IsEmpty]: Start isEmpty. Operand 36107 states and 49976 transitions. [2021-11-20 06:11:55,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-20 06:11:55,868 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:11:55,868 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] [2021-11-20 06:11:55,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 06:11:55,869 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)] === [2021-11-20 06:11:55,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:11:55,869 INFO L85 PathProgramCache]: Analyzing trace with hash 465891583, now seen corresponding path program 1 times [2021-11-20 06:11:55,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:11:55,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182155126] [2021-11-20 06:11:55,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:11:55,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:11:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:56,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:11:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:56,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 06:11:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:56,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:11:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:56,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 06:11:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:56,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:11:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:56,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 06:11:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:56,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 06:11:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:56,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:11:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:56,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 06:11:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:56,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 06:11:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:56,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 06:11:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:56,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 06:11:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:56,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 06:11:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:56,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 06:11:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:11:56,234 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 06:11:56,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:11:56,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182155126] [2021-11-20 06:11:56,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182155126] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:11:56,235 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:11:56,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:11:56,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080615733] [2021-11-20 06:11:56,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:11:56,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:11:56,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:11:56,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:11:56,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:11:56,237 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) [2021-11-20 06:12:01,784 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:04,852 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:06,927 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:09,055 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:12,896 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 06:12:15,832 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:21,890 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:32,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:12:32,799 INFO L93 Difference]: Finished difference Result 36107 states and 49976 transitions. [2021-11-20 06:12:32,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:12:32,799 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 [2021-11-20 06:12:32,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:12:32,915 INFO L225 Difference]: With dead ends: 36107 [2021-11-20 06:12:32,915 INFO L226 Difference]: Without dead ends: 36105 [2021-11-20 06:12:32,931 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 [2021-11-20 06:12:32,932 INFO L933 BasicCegarLoop]: 5071 mSDtfsCounter, 10683 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5424 mSolverCounterSat, 5454 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10880 SdHoareTripleChecker+Valid, 7783 SdHoareTripleChecker+Invalid, 10885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5454 IncrementalHoareTripleChecker+Valid, 5424 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:12:32,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10880 Valid, 7783 Invalid, 10885 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 5424 Invalid, 7 Unknown, 0 Unchecked, 34.6s Time] [2021-11-20 06:12:32,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36105 states. [2021-11-20 06:12:34,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36105 to 36105. [2021-11-20 06:12:34,630 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) [2021-11-20 06:12:34,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36105 states to 36105 states and 49974 transitions. [2021-11-20 06:12:34,793 INFO L78 Accepts]: Start accepts. Automaton has 36105 states and 49974 transitions. Word has length 93 [2021-11-20 06:12:34,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:12:34,794 INFO L470 AbstractCegarLoop]: Abstraction has 36105 states and 49974 transitions. [2021-11-20 06:12:34,794 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) [2021-11-20 06:12:34,794 INFO L276 IsEmpty]: Start isEmpty. Operand 36105 states and 49974 transitions. [2021-11-20 06:12:34,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-20 06:12:34,797 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:12:34,797 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] [2021-11-20 06:12:34,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 06:12:34,798 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)] === [2021-11-20 06:12:34,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:12:34,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1045443554, now seen corresponding path program 1 times [2021-11-20 06:12:34,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:12:34,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997265136] [2021-11-20 06:12:34,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:12:34,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:12:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:34,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:12:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:34,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 06:12:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:35,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:12:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:35,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 06:12:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:35,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:12:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:35,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 06:12:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:35,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 06:12:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:35,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:12:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:35,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 06:12:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:35,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 06:12:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:35,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 06:12:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:35,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 06:12:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:35,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 06:12:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:35,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 06:12:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:12:35,120 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 06:12:35,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:12:35,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997265136] [2021-11-20 06:12:35,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997265136] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:12:35,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:12:35,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:12:35,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312210945] [2021-11-20 06:12:35,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:12:35,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:12:35,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:12:35,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:12:35,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:12:35,123 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) [2021-11-20 06:12:40,565 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:43,400 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:45,451 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:47,511 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:12:52,477 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:05,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:13:05,043 INFO L93 Difference]: Finished difference Result 36105 states and 49974 transitions. [2021-11-20 06:13:05,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:13:05,044 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 [2021-11-20 06:13:05,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:13:05,198 INFO L225 Difference]: With dead ends: 36105 [2021-11-20 06:13:05,199 INFO L226 Difference]: Without dead ends: 36103 [2021-11-20 06:13:05,213 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 [2021-11-20 06:13:05,214 INFO L933 BasicCegarLoop]: 5069 mSDtfsCounter, 10671 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5429 mSolverCounterSat, 5454 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10868 SdHoareTripleChecker+Valid, 7781 SdHoareTripleChecker+Invalid, 10887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5454 IncrementalHoareTripleChecker+Valid, 5429 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:13:05,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10868 Valid, 7781 Invalid, 10887 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5454 Valid, 5429 Invalid, 4 Unknown, 0 Unchecked, 27.8s Time] [2021-11-20 06:13:05,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36103 states. [2021-11-20 06:13:07,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36103 to 36103. [2021-11-20 06:13:07,144 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) [2021-11-20 06:13:07,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36103 states to 36103 states and 49972 transitions. [2021-11-20 06:13:07,607 INFO L78 Accepts]: Start accepts. Automaton has 36103 states and 49972 transitions. Word has length 95 [2021-11-20 06:13:07,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:13:07,607 INFO L470 AbstractCegarLoop]: Abstraction has 36103 states and 49972 transitions. [2021-11-20 06:13:07,608 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) [2021-11-20 06:13:07,608 INFO L276 IsEmpty]: Start isEmpty. Operand 36103 states and 49972 transitions. [2021-11-20 06:13:07,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-20 06:13:07,612 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:13:07,612 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] [2021-11-20 06:13:07,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 06:13:07,612 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)] === [2021-11-20 06:13:07,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:13:07,613 INFO L85 PathProgramCache]: Analyzing trace with hash 808096048, now seen corresponding path program 1 times [2021-11-20 06:13:07,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:13:07,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115147308] [2021-11-20 06:13:07,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:13:07,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:13:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:07,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:13:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:07,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 06:13:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:07,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:13:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:07,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 06:13:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:07,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:07,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 06:13:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:07,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 06:13:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:07,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-20 06:13:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:07,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-20 06:13:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:07,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:07,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:13:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:07,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:13:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:07,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-11-20 06:13:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:07,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-20 06:13:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:08,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:08,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:13:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:08,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:13:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:08,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-20 06:13:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:08,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-20 06:13:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-11-20 06:13:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:08,063 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-20 06:13:08,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:13:08,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115147308] [2021-11-20 06:13:08,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115147308] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:13:08,064 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:13:08,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:13:08,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274876712] [2021-11-20 06:13:08,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:13:08,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:13:08,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:13:08,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:13:08,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:13:08,066 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) [2021-11-20 06:13:12,884 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:15,484 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:17,542 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:19,603 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:25,656 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:28,277 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:13:42,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:13:42,839 INFO L93 Difference]: Finished difference Result 67693 states and 94201 transitions. [2021-11-20 06:13:42,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:13:42,840 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 [2021-11-20 06:13:42,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:13:42,989 INFO L225 Difference]: With dead ends: 67693 [2021-11-20 06:13:42,989 INFO L226 Difference]: Without dead ends: 38313 [2021-11-20 06:13:43,285 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 [2021-11-20 06:13:43,289 INFO L933 BasicCegarLoop]: 4860 mSDtfsCounter, 12748 mSDsluCounter, 1422 mSDsCounter, 0 mSdLazyCounter, 4664 mSolverCounterSat, 7719 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12968 SdHoareTripleChecker+Valid, 6282 SdHoareTripleChecker+Invalid, 12388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7719 IncrementalHoareTripleChecker+Valid, 4664 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.9s IncrementalHoareTripleChecker+Time [2021-11-20 06:13:43,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12968 Valid, 6282 Invalid, 12388 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7719 Valid, 4664 Invalid, 5 Unknown, 0 Unchecked, 31.9s Time] [2021-11-20 06:13:43,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38313 states. [2021-11-20 06:13:45,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38313 to 36077. [2021-11-20 06:13:45,148 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) [2021-11-20 06:13:45,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36077 states to 36077 states and 49923 transitions. [2021-11-20 06:13:45,514 INFO L78 Accepts]: Start accepts. Automaton has 36077 states and 49923 transitions. Word has length 119 [2021-11-20 06:13:45,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:13:45,515 INFO L470 AbstractCegarLoop]: Abstraction has 36077 states and 49923 transitions. [2021-11-20 06:13:45,515 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) [2021-11-20 06:13:45,515 INFO L276 IsEmpty]: Start isEmpty. Operand 36077 states and 49923 transitions. [2021-11-20 06:13:45,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-20 06:13:45,518 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:13:45,519 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] [2021-11-20 06:13:45,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 06:13:45,519 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)] === [2021-11-20 06:13:45,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:13:45,520 INFO L85 PathProgramCache]: Analyzing trace with hash 129538239, now seen corresponding path program 1 times [2021-11-20 06:13:45,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:13:45,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447108789] [2021-11-20 06:13:45,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:13:45,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:13:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:13:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-20 06:13:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 06:13:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-20 06:13:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:13:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:13:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:13:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:13:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:13:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 06:13:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:13:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:13:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-20 06:13:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:13:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:13:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-20 06:13:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 06:13:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-20 06:13:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:13:45,989 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2021-11-20 06:13:45,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:13:45,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447108789] [2021-11-20 06:13:45,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447108789] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:13:45,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:13:45,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:13:45,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112848533] [2021-11-20 06:13:45,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:13:45,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:13:45,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:13:45,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:13:45,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:13:45,992 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) [2021-11-20 06:13:54,632 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 06:13:56,810 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 06:13:59,568 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:01,756 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:03,992 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:14,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:14:14,338 INFO L93 Difference]: Finished difference Result 43599 states and 60289 transitions. [2021-11-20 06:14:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:14:14,339 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 [2021-11-20 06:14:14,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:14:14,515 INFO L225 Difference]: With dead ends: 43599 [2021-11-20 06:14:14,515 INFO L226 Difference]: Without dead ends: 43597 [2021-11-20 06:14:14,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:14:14,539 INFO L933 BasicCegarLoop]: 6024 mSDtfsCounter, 6575 mSDsluCounter, 12482 mSDsCounter, 0 mSdLazyCounter, 5007 mSolverCounterSat, 2030 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7216 SdHoareTripleChecker+Valid, 18506 SdHoareTripleChecker+Invalid, 7042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2030 IncrementalHoareTripleChecker+Valid, 5007 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2021-11-20 06:14:14,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7216 Valid, 18506 Invalid, 7042 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2030 Valid, 5007 Invalid, 5 Unknown, 0 Unchecked, 25.7s Time] [2021-11-20 06:14:14,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43597 states. [2021-11-20 06:14:17,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43597 to 41213. [2021-11-20 06:14:17,599 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) [2021-11-20 06:14:17,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41213 states to 41213 states and 55903 transitions. [2021-11-20 06:14:17,821 INFO L78 Accepts]: Start accepts. Automaton has 41213 states and 55903 transitions. Word has length 132 [2021-11-20 06:14:17,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:14:17,822 INFO L470 AbstractCegarLoop]: Abstraction has 41213 states and 55903 transitions. [2021-11-20 06:14:17,822 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) [2021-11-20 06:14:17,822 INFO L276 IsEmpty]: Start isEmpty. Operand 41213 states and 55903 transitions. [2021-11-20 06:14:17,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-20 06:14:17,825 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:14:17,825 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] [2021-11-20 06:14:17,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-20 06:14:17,825 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)] === [2021-11-20 06:14:17,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:14:17,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1115885259, now seen corresponding path program 1 times [2021-11-20 06:14:17,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:14:17,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284782227] [2021-11-20 06:14:17,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:14:17,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:14:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:18,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:14:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:18,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 06:14:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:18,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-20 06:14:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:18,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 06:14:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:18,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:14:18,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:18,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-20 06:14:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:18,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-11-20 06:14:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:18,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:14:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:18,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-20 06:14:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:18,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 06:14:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:18,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-11-20 06:14:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:18,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-20 06:14:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:18,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-20 06:14:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:18,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-20 06:14:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:18,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-20 06:14:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:14:18,223 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 06:14:18,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:14:18,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284782227] [2021-11-20 06:14:18,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284782227] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:14:18,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:14:18,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:14:18,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288903737] [2021-11-20 06:14:18,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:14:18,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:14:18,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:14:18,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:14:18,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:14:18,229 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) [2021-11-20 06:14:25,086 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:28,908 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:30,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:33,020 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:36,977 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-20 06:14:39,454 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []