./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--usb--musb--musb_hdrc.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d20af067bf51a1b8f272ec7cce842839d60ff9624fa9abf10d45161ed1df40b3 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:50:23,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:50:23,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:50:23,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:50:23,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:50:23,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:50:23,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:50:23,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:50:23,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:50:23,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:50:23,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:50:23,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:50:23,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:50:23,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:50:23,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:50:23,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:50:23,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:50:23,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:50:23,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:50:23,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:50:23,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:50:23,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:50:23,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:50:23,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:50:23,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:50:23,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:50:23,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:50:23,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:50:23,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:50:23,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:50:23,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:50:23,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:50:23,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:50:23,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:50:23,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:50:23,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:50:23,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:50:23,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:50:23,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:50:23,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:50:23,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:50:23,859 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:50:23,911 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:50:23,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:50:23,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:50:23,914 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:50:23,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:50:23,915 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:50:23,915 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:50:23,915 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:50:23,916 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:50:23,916 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:50:23,917 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:50:23,918 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:50:23,918 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:50:23,918 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:50:23,919 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:50:23,919 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:50:23,919 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:50:23,919 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:50:23,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:50:23,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:50:23,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:50:23,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:50:23,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:50:23,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:50:23,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:50:23,923 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:50:23,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:50:23,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:50:23,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:50:23,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:50:23,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:50:23,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:50:23,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:50:23,927 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:50:23,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:50:23,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:50:23,928 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:50:23,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:50:23,928 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d20af067bf51a1b8f272ec7cce842839d60ff9624fa9abf10d45161ed1df40b3 [2021-11-25 18:50:24,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:50:24,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:50:24,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:50:24,239 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:50:24,240 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:50:24,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i [2021-11-25 18:50:24,324 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/data/494ab7d41/171cf94762214e0ab3e9dba489624397/FLAG3ec6a23cd [2021-11-25 18:50:25,525 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:50:25,526 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i [2021-11-25 18:50:25,642 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/data/494ab7d41/171cf94762214e0ab3e9dba489624397/FLAG3ec6a23cd [2021-11-25 18:50:26,157 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/data/494ab7d41/171cf94762214e0ab3e9dba489624397 [2021-11-25 18:50:26,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:50:26,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:50:26,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:50:26,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:50:26,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:50:26,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:50:26" (1/1) ... [2021-11-25 18:50:26,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295ef0cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:26, skipping insertion in model container [2021-11-25 18:50:26,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:50:26" (1/1) ... [2021-11-25 18:50:26,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:50:26,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:50:36,914 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744404,744417] [2021-11-25 18:50:36,918 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744549,744562] [2021-11-25 18:50:36,925 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744695,744708] [2021-11-25 18:50:36,926 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744860,744873] [2021-11-25 18:50:36,927 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745018,745031] [2021-11-25 18:50:36,929 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745176,745189] [2021-11-25 18:50:36,930 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745334,745347] [2021-11-25 18:50:36,930 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745494,745507] [2021-11-25 18:50:36,931 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745653,745666] [2021-11-25 18:50:36,931 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745792,745805] [2021-11-25 18:50:36,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745934,745947] [2021-11-25 18:50:36,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746083,746096] [2021-11-25 18:50:36,938 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746222,746235] [2021-11-25 18:50:36,939 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746377,746390] [2021-11-25 18:50:36,939 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746537,746550] [2021-11-25 18:50:36,940 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746688,746701] [2021-11-25 18:50:36,940 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746839,746852] [2021-11-25 18:50:36,941 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746991,747004] [2021-11-25 18:50:36,943 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747140,747153] [2021-11-25 18:50:36,949 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747288,747301] [2021-11-25 18:50:36,950 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747445,747458] [2021-11-25 18:50:36,951 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747594,747607] [2021-11-25 18:50:36,953 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747750,747763] [2021-11-25 18:50:36,955 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747903,747916] [2021-11-25 18:50:36,955 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748049,748062] [2021-11-25 18:50:36,956 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748192,748205] [2021-11-25 18:50:36,956 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748344,748357] [2021-11-25 18:50:36,957 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748490,748503] [2021-11-25 18:50:36,958 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748635,748648] [2021-11-25 18:50:36,958 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748789,748802] [2021-11-25 18:50:36,959 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748940,748953] [2021-11-25 18:50:36,962 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749095,749108] [2021-11-25 18:50:36,962 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749247,749260] [2021-11-25 18:50:36,963 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749402,749415] [2021-11-25 18:50:36,963 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749566,749579] [2021-11-25 18:50:36,963 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749722,749735] [2021-11-25 18:50:36,964 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749886,749899] [2021-11-25 18:50:36,964 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750028,750041] [2021-11-25 18:50:36,965 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750186,750199] [2021-11-25 18:50:36,965 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750353,750366] [2021-11-25 18:50:36,966 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750512,750525] [2021-11-25 18:50:36,966 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750671,750684] [2021-11-25 18:50:36,967 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750820,750833] [2021-11-25 18:50:36,967 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750967,750980] [2021-11-25 18:50:36,967 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751106,751119] [2021-11-25 18:50:36,968 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751269,751282] [2021-11-25 18:50:36,968 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751435,751448] [2021-11-25 18:50:36,970 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751599,751612] [2021-11-25 18:50:36,971 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751764,751777] [2021-11-25 18:50:36,971 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751929,751942] [2021-11-25 18:50:36,972 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752095,752108] [2021-11-25 18:50:36,973 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752260,752273] [2021-11-25 18:50:36,974 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752427,752440] [2021-11-25 18:50:36,974 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_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752587,752600] [2021-11-25 18:50:36,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752749,752762] [2021-11-25 18:50:36,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752908,752921] [2021-11-25 18:50:36,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753054,753067] [2021-11-25 18:50:36,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753197,753210] [2021-11-25 18:50:36,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753341,753354] [2021-11-25 18:50:36,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753484,753497] [2021-11-25 18:50:36,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753628,753641] [2021-11-25 18:50:36,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753769,753782] [2021-11-25 18:50:36,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753907,753920] [2021-11-25 18:50:36,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754065,754078] [2021-11-25 18:50:36,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754224,754237] [2021-11-25 18:50:36,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754380,754393] [2021-11-25 18:50:36,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754529,754542] [2021-11-25 18:50:36,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754681,754694] [2021-11-25 18:50:36,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754832,754845] [2021-11-25 18:50:36,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754981,754994] [2021-11-25 18:50:36,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755133,755146] [2021-11-25 18:50:36,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755281,755294] [2021-11-25 18:50:36,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755434,755447] [2021-11-25 18:50:36,985 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755585,755598] [2021-11-25 18:50:36,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755735,755748] [2021-11-25 18:50:36,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755882,755895] [2021-11-25 18:50:36,986 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756033,756046] [2021-11-25 18:50:36,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756184,756197] [2021-11-25 18:50:36,987 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756332,756345] [2021-11-25 18:50:36,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756498,756511] [2021-11-25 18:50:36,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756667,756680] [2021-11-25 18:50:36,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756834,756847] [2021-11-25 18:50:36,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757002,757015] [2021-11-25 18:50:36,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757152,757165] [2021-11-25 18:50:36,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757299,757312] [2021-11-25 18:50:36,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757460,757473] [2021-11-25 18:50:36,991 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757630,757643] [2021-11-25 18:50:36,992 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757792,757805] [2021-11-25 18:50:37,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:50:37,078 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:50:38,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744404,744417] [2021-11-25 18:50:38,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744549,744562] [2021-11-25 18:50:38,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744695,744708] [2021-11-25 18:50:38,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[744860,744873] [2021-11-25 18:50:38,147 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745018,745031] [2021-11-25 18:50:38,147 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745176,745189] [2021-11-25 18:50:38,148 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745334,745347] [2021-11-25 18:50:38,148 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745494,745507] [2021-11-25 18:50:38,148 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745653,745666] [2021-11-25 18:50:38,149 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745792,745805] [2021-11-25 18:50:38,149 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[745934,745947] [2021-11-25 18:50:38,150 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746083,746096] [2021-11-25 18:50:38,150 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746222,746235] [2021-11-25 18:50:38,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746377,746390] [2021-11-25 18:50:38,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746537,746550] [2021-11-25 18:50:38,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746688,746701] [2021-11-25 18:50:38,152 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746839,746852] [2021-11-25 18:50:38,152 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[746991,747004] [2021-11-25 18:50:38,153 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747140,747153] [2021-11-25 18:50:38,153 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747288,747301] [2021-11-25 18:50:38,153 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747445,747458] [2021-11-25 18:50:38,154 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747594,747607] [2021-11-25 18:50:38,154 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747750,747763] [2021-11-25 18:50:38,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[747903,747916] [2021-11-25 18:50:38,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748049,748062] [2021-11-25 18:50:38,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748192,748205] [2021-11-25 18:50:38,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748344,748357] [2021-11-25 18:50:38,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748490,748503] [2021-11-25 18:50:38,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748635,748648] [2021-11-25 18:50:38,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748789,748802] [2021-11-25 18:50:38,158 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[748940,748953] [2021-11-25 18:50:38,158 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749095,749108] [2021-11-25 18:50:38,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749247,749260] [2021-11-25 18:50:38,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749402,749415] [2021-11-25 18:50:38,159 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749566,749579] [2021-11-25 18:50:38,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749722,749735] [2021-11-25 18:50:38,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[749886,749899] [2021-11-25 18:50:38,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750028,750041] [2021-11-25 18:50:38,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750186,750199] [2021-11-25 18:50:38,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750353,750366] [2021-11-25 18:50:38,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750512,750525] [2021-11-25 18:50:38,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750671,750684] [2021-11-25 18:50:38,163 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750820,750833] [2021-11-25 18:50:38,163 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[750967,750980] [2021-11-25 18:50:38,164 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751106,751119] [2021-11-25 18:50:38,164 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751269,751282] [2021-11-25 18:50:38,164 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751435,751448] [2021-11-25 18:50:38,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751599,751612] [2021-11-25 18:50:38,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751764,751777] [2021-11-25 18:50:38,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[751929,751942] [2021-11-25 18:50:38,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752095,752108] [2021-11-25 18:50:38,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752260,752273] [2021-11-25 18:50:38,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752427,752440] [2021-11-25 18:50:38,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752587,752600] [2021-11-25 18:50:38,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752749,752762] [2021-11-25 18:50:38,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[752908,752921] [2021-11-25 18:50:38,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753054,753067] [2021-11-25 18:50:38,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753197,753210] [2021-11-25 18:50:38,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753341,753354] [2021-11-25 18:50:38,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753484,753497] [2021-11-25 18:50:38,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753628,753641] [2021-11-25 18:50:38,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753769,753782] [2021-11-25 18:50:38,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[753907,753920] [2021-11-25 18:50:38,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754065,754078] [2021-11-25 18:50:38,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754224,754237] [2021-11-25 18:50:38,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754380,754393] [2021-11-25 18:50:38,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754529,754542] [2021-11-25 18:50:38,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754681,754694] [2021-11-25 18:50:38,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754832,754845] [2021-11-25 18:50:38,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[754981,754994] [2021-11-25 18:50:38,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755133,755146] [2021-11-25 18:50:38,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755281,755294] [2021-11-25 18:50:38,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755434,755447] [2021-11-25 18:50:38,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755585,755598] [2021-11-25 18:50:38,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755735,755748] [2021-11-25 18:50:38,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[755882,755895] [2021-11-25 18:50:38,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756033,756046] [2021-11-25 18:50:38,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756184,756197] [2021-11-25 18:50:38,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756332,756345] [2021-11-25 18:50:38,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756498,756511] [2021-11-25 18:50:38,178 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756667,756680] [2021-11-25 18:50:38,178 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[756834,756847] [2021-11-25 18:50:38,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757002,757015] [2021-11-25 18:50:38,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757152,757165] [2021-11-25 18:50:38,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757299,757312] [2021-11-25 18:50:38,180 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757460,757473] [2021-11-25 18:50:38,180 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757630,757643] [2021-11-25 18:50:38,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i[757792,757805] [2021-11-25 18:50:38,187 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:50:38,716 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:50:38,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:38 WrapperNode [2021-11-25 18:50:38,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:50:38,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:50:38,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:50:38,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:50:38,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:38" (1/1) ... [2021-11-25 18:50:39,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:38" (1/1) ... [2021-11-25 18:50:39,551 INFO L137 Inliner]: procedures = 982, calls = 10044, calls flagged for inlining = 465, calls inlined = 372, statements flattened = 15554 [2021-11-25 18:50:39,553 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:50:39,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:50:39,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:50:39,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:50:39,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:38" (1/1) ... [2021-11-25 18:50:39,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:38" (1/1) ... [2021-11-25 18:50:39,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:38" (1/1) ... [2021-11-25 18:50:39,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:38" (1/1) ... [2021-11-25 18:50:40,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:38" (1/1) ... [2021-11-25 18:50:40,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:38" (1/1) ... [2021-11-25 18:50:40,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:38" (1/1) ... [2021-11-25 18:50:40,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:50:40,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:50:40,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:50:40,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:50:40,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:38" (1/1) ... [2021-11-25 18:50:40,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:50:40,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:50:40,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:50:40,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:50:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_enable [2021-11-25 18:50:40,766 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_enable [2021-11-25 18:50:40,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2021-11-25 18:50:40,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2021-11-25 18:50:40,767 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_get_qh [2021-11-25 18:50:40,767 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_get_qh [2021-11-25 18:50:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-25 18:50:40,768 INFO L130 BoogieDeclarations]: Found specification of procedure otg_start_srp [2021-11-25 18:50:40,769 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_start_srp [2021-11-25 18:50:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure musb_vbus_show [2021-11-25 18:50:40,769 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_vbus_show [2021-11-25 18:50:40,769 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2021-11-25 18:50:40,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2021-11-25 18:50:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put [2021-11-25 18:50:40,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put [2021-11-25 18:50:40,770 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_fifo_status [2021-11-25 18:50:40,770 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_fifo_status [2021-11-25 18:50:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 18:50:40,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 18:50:40,772 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_vbus_off [2021-11-25 18:50:40,773 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_vbus_off [2021-11-25 18:50:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_ep0_flush_fifo [2021-11-25 18:50:40,773 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_ep0_flush_fifo [2021-11-25 18:50:40,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 18:50:40,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 18:50:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure ep0_txstate [2021-11-25 18:50:40,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ep0_txstate [2021-11-25 18:50:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-25 18:50:40,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-25 18:50:40,774 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 18:50:40,774 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 18:50:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-25 18:50:40,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-25 18:50:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_restart [2021-11-25 18:50:40,775 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_restart [2021-11-25 18:50:40,775 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_disconnect [2021-11-25 18:50:40,776 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_disconnect [2021-11-25 18:50:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_start [2021-11-25 18:50:40,776 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_start [2021-11-25 18:50:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_wakeup [2021-11-25 18:50:40,776 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_wakeup [2021-11-25 18:50:40,776 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_setup [2021-11-25 18:50:40,777 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_setup [2021-11-25 18:50:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-25 18:50:40,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-25 18:50:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure musb_test_mode_write [2021-11-25 18:50:40,777 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_test_mode_write [2021-11-25 18:50:40,777 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 18:50:40,778 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 18:50:40,778 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_disable [2021-11-25 18:50:40,778 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_disable [2021-11-25 18:50:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_controller_stop [2021-11-25 18:50:40,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_controller_stop [2021-11-25 18:50:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 18:50:40,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 18:50:40,779 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bus_suspend [2021-11-25 18:50:40,779 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bus_suspend [2021-11-25 18:50:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 18:50:40,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 18:50:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:50:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 18:50:40,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 18:50:40,780 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_setup [2021-11-25 18:50:40,781 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_setup [2021-11-25 18:50:40,781 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-25 18:50:40,781 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-25 18:50:40,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 18:50:40,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 18:50:40,785 INFO L130 BoogieDeclarations]: Found specification of procedure gadget_to_musb [2021-11-25 18:50:40,786 INFO L138 BoogieDeclarations]: Found implementation of procedure gadget_to_musb [2021-11-25 18:50:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 18:50:40,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 18:50:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_vbus_draw [2021-11-25 18:50:40,786 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_vbus_draw [2021-11-25 18:50:40,786 INFO L130 BoogieDeclarations]: Found specification of procedure musb_suspend [2021-11-25 18:50:40,792 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_suspend [2021-11-25 18:50:40,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:50:40,793 INFO L130 BoogieDeclarations]: Found specification of procedure musb_exit_debugfs [2021-11-25 18:50:40,793 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_exit_debugfs [2021-11-25 18:50:40,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 18:50:40,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 18:50:40,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:50:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 18:50:40,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 18:50:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 18:50:40,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 18:50:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:50:40,794 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfifoadd [2021-11-25 18:50:40,795 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfifoadd [2021-11-25 18:50:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure to_musb_ep [2021-11-25 18:50:40,795 INFO L138 BoogieDeclarations]: Found implementation of procedure to_musb_ep [2021-11-25 18:50:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure usb_otg_state_string [2021-11-25 18:50:40,795 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_otg_state_string [2021-11-25 18:50:40,795 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 18:50:40,795 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 18:50:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure musb_otg_timer_func [2021-11-25 18:50:40,796 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_otg_timer_func [2021-11-25 18:50:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure musb_save_toggle [2021-11-25 18:50:40,796 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_save_toggle [2021-11-25 18:50:40,796 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-25 18:50:40,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-25 18:50:40,797 INFO L130 BoogieDeclarations]: Found specification of procedure musb_start_urb [2021-11-25 18:50:40,797 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_start_urb [2021-11-25 18:50:40,797 INFO L130 BoogieDeclarations]: Found specification of procedure ep_config_from_table [2021-11-25 18:50:40,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_config_from_table [2021-11-25 18:50:40,797 INFO L130 BoogieDeclarations]: Found specification of procedure musb_load_testpacket [2021-11-25 18:50:40,797 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_load_testpacket [2021-11-25 18:50:40,798 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfunaddr [2021-11-25 18:50:40,798 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfunaddr [2021-11-25 18:50:40,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_13_2 [2021-11-25 18:50:40,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_13_2 [2021-11-25 18:50:40,798 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-25 18:50:40,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-25 18:50:40,799 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_get_frame_number [2021-11-25 18:50:40,799 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_get_frame_number [2021-11-25 18:50:40,799 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txhubaddr [2021-11-25 18:50:40,799 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txhubaddr [2021-11-25 18:50:40,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:50:40,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:50:40,800 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_disable [2021-11-25 18:50:40,801 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_disable [2021-11-25 18:50:40,801 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-25 18:50:40,801 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-25 18:50:40,801 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free_temp_buffer [2021-11-25 18:50:40,801 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free_temp_buffer [2021-11-25 18:50:40,802 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxhubaddr [2021-11-25 18:50:40,802 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxhubaddr [2021-11-25 18:50:40,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:50:40,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~dma_addr_t~0~X~~u32~0~TO~int [2021-11-25 18:50:40,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~dma_addr_t~0~X~~u32~0~TO~int [2021-11-25 18:50:40,802 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_dequeue [2021-11-25 18:50:40,803 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_dequeue [2021-11-25 18:50:40,803 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2021-11-25 18:50:40,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~VOID [2021-11-25 18:50:40,803 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_target_reg_base [2021-11-25 18:50:40,803 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_target_reg_base [2021-11-25 18:50:40,803 INFO L130 BoogieDeclarations]: Found specification of procedure musb_init_controller [2021-11-25 18:50:40,804 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_init_controller [2021-11-25 18:50:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 18:50:40,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 18:50:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_map_urb_for_dma [2021-11-25 18:50:40,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_map_urb_for_dma [2021-11-25 18:50:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:50:40,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:50:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure musb_stop [2021-11-25 18:50:40,805 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_stop [2021-11-25 18:50:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2021-11-25 18:50:40,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2021-11-25 18:50:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-25 18:50:40,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-25 18:50:40,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 18:50:40,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 18:50:40,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:50:40,806 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_platdata [2021-11-25 18:50:40,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_platdata [2021-11-25 18:50:40,806 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 18:50:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 18:50:40,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 18:50:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 18:50:40,807 INFO L130 BoogieDeclarations]: Found specification of procedure musb_restore_context [2021-11-25 18:50:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_restore_context [2021-11-25 18:50:40,807 INFO L130 BoogieDeclarations]: Found specification of procedure next_request [2021-11-25 18:50:40,807 INFO L138 BoogieDeclarations]: Found implementation of procedure next_request [2021-11-25 18:50:40,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:50:40,808 INFO L130 BoogieDeclarations]: Found specification of procedure dma_channel_status [2021-11-25 18:50:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_channel_status [2021-11-25 18:50:40,808 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_exit [2021-11-25 18:50:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_exit [2021-11-25 18:50:40,808 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-25 18:50:40,809 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_dequeue [2021-11-25 18:50:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_dequeue [2021-11-25 18:50:40,809 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 18:50:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 18:50:40,809 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-25 18:50:40,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-25 18:50:40,809 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_fifo [2021-11-25 18:50:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_fifo [2021-11-25 18:50:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_ep0_irq [2021-11-25 18:50:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_ep0_irq [2021-11-25 18:50:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 18:50:40,810 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 18:50:40,810 INFO L130 BoogieDeclarations]: Found specification of procedure musb_dma_completion [2021-11-25 18:50:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_dma_completion [2021-11-25 18:50:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure next_urb [2021-11-25 18:50:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure next_urb [2021-11-25 18:50:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 18:50:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 18:50:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_start [2021-11-25 18:50:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_start [2021-11-25 18:50:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_stop [2021-11-25 18:50:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_stop [2021-11-25 18:50:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_self_powered [2021-11-25 18:50:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_self_powered [2021-11-25 18:50:40,814 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bulk_nak_timeout [2021-11-25 18:50:40,815 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bulk_nak_timeout [2021-11-25 18:50:40,815 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-25 18:50:40,815 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-25 18:50:40,815 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_fifo [2021-11-25 18:50:40,815 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_fifo [2021-11-25 18:50:40,815 INFO L130 BoogieDeclarations]: Found specification of procedure musb_advance_schedule [2021-11-25 18:50:40,816 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_advance_schedule [2021-11-25 18:50:40,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 18:50:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 18:50:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure musb_runtime_suspend [2021-11-25 18:50:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_runtime_suspend [2021-11-25 18:50:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 18:50:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 18:50:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_disable [2021-11-25 18:50:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_disable [2021-11-25 18:50:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_musb [2021-11-25 18:50:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_musb [2021-11-25 18:50:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure txstate [2021-11-25 18:50:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure txstate [2021-11-25 18:50:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_vbus_on [2021-11-25 18:50:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_vbus_on [2021-11-25 18:50:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_cleanup [2021-11-25 18:50:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_cleanup [2021-11-25 18:50:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:50:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_disable [2021-11-25 18:50:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_disable [2021-11-25 18:50:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:50:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:50:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_idle [2021-11-25 18:50:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_idle [2021-11-25 18:50:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2021-11-25 18:50:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2021-11-25 18:50:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_program [2021-11-25 18:50:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_program [2021-11-25 18:50:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_musb [2021-11-25 18:50:40,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_musb [2021-11-25 18:50:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure dma_async_issue_pending [2021-11-25 18:50:40,822 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_async_issue_pending [2021-11-25 18:50:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_stop [2021-11-25 18:50:40,822 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_stop [2021-11-25 18:50:40,822 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_enable [2021-11-25 18:50:40,822 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_enable [2021-11-25 18:50:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure usb_urb_dir_in [2021-11-25 18:50:40,823 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_urb_dir_in [2021-11-25 18:50:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure musb_mode_show [2021-11-25 18:50:40,823 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_mode_show [2021-11-25 18:50:40,823 INFO L130 BoogieDeclarations]: Found specification of procedure strstarts [2021-11-25 18:50:40,823 INFO L138 BoogieDeclarations]: Found implementation of procedure strstarts [2021-11-25 18:50:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure rxstate [2021-11-25 18:50:40,824 INFO L138 BoogieDeclarations]: Found implementation of procedure rxstate [2021-11-25 18:50:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_enable [2021-11-25 18:50:40,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_enable [2021-11-25 18:50:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-25 18:50:40,824 INFO L130 BoogieDeclarations]: Found specification of procedure device_init_wakeup [2021-11-25 18:50:40,825 INFO L138 BoogieDeclarations]: Found implementation of procedure device_init_wakeup [2021-11-25 18:50:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txhubport [2021-11-25 18:50:40,825 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txhubport [2021-11-25 18:50:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure musb_tx_dma_program [2021-11-25 18:50:40,825 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_tx_dma_program [2021-11-25 18:50:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure musb_generic_disable [2021-11-25 18:50:40,826 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_generic_disable [2021-11-25 18:50:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_enable [2021-11-25 18:50:40,826 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_enable [2021-11-25 18:50:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure unmap_dma_buffer [2021-11-25 18:50:40,826 INFO L138 BoogieDeclarations]: Found implementation of procedure unmap_dma_buffer [2021-11-25 18:50:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2021-11-25 18:50:40,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2021-11-25 18:50:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 18:50:40,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 18:50:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 18:50:40,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 18:50:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_set_mode [2021-11-25 18:50:40,827 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_set_mode [2021-11-25 18:50:40,827 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_halt [2021-11-25 18:50:40,828 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_halt [2021-11-25 18:50:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_irq [2021-11-25 18:50:40,828 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_irq [2021-11-25 18:50:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:50:40,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:50:40,828 INFO L130 BoogieDeclarations]: Found specification of procedure forward_to_driver [2021-11-25 18:50:40,829 INFO L138 BoogieDeclarations]: Found implementation of procedure forward_to_driver [2021-11-25 18:50:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_flush_rxfifo [2021-11-25 18:50:40,829 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_flush_rxfifo [2021-11-25 18:50:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-25 18:50:40,829 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-25 18:50:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_try_idle [2021-11-25 18:50:40,829 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_try_idle [2021-11-25 18:50:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure init_peripheral_ep [2021-11-25 18:50:40,830 INFO L138 BoogieDeclarations]: Found implementation of procedure init_peripheral_ep [2021-11-25 18:50:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfifosz [2021-11-25 18:50:40,830 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfifosz [2021-11-25 18:50:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure musb_remove [2021-11-25 18:50:40,830 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_remove [2021-11-25 18:50:40,831 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_txfunaddr [2021-11-25 18:50:40,831 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_txfunaddr [2021-11-25 18:50:40,831 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2021-11-25 18:50:40,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u8~0 [2021-11-25 18:50:40,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-25 18:50:40,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-25 18:50:40,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 18:50:40,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 18:50:40,832 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unmap_urb_for_dma [2021-11-25 18:50:40,832 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unmap_urb_for_dma [2021-11-25 18:50:40,832 INFO L130 BoogieDeclarations]: Found specification of procedure musb_hub_status_data [2021-11-25 18:50:40,832 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_hub_status_data [2021-11-25 18:50:40,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 18:50:40,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 18:50:40,833 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2021-11-25 18:50:40,833 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2021-11-25 18:50:40,833 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free [2021-11-25 18:50:40,833 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free [2021-11-25 18:50:40,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 18:50:40,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 18:50:40,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-25 18:50:40,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-25 18:50:40,834 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-11-25 18:50:40,834 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-11-25 18:50:40,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:50:40,835 INFO L130 BoogieDeclarations]: Found specification of procedure musb_cleanup_urb [2021-11-25 18:50:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_cleanup_urb [2021-11-25 18:50:40,835 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u8~0~TO~~u32~0 [2021-11-25 18:50:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u8~0~TO~~u32~0 [2021-11-25 18:50:40,835 INFO L130 BoogieDeclarations]: Found specification of procedure ep_config_from_hw [2021-11-25 18:50:40,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ep_config_from_hw [2021-11-25 18:50:40,835 INFO L130 BoogieDeclarations]: Found specification of procedure otg_set_peripheral [2021-11-25 18:50:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_set_peripheral [2021-11-25 18:50:40,836 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-25 18:50:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-25 18:50:40,836 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-25 18:50:40,836 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-25 18:50:40,836 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-11-25 18:50:40,837 INFO L130 BoogieDeclarations]: Found specification of procedure musb_resume [2021-11-25 18:50:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_resume [2021-11-25 18:50:40,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:50:40,837 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-25 18:50:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-25 18:50:40,837 INFO L130 BoogieDeclarations]: Found specification of procedure service_zero_data_request [2021-11-25 18:50:40,837 INFO L138 BoogieDeclarations]: Found implementation of procedure service_zero_data_request [2021-11-25 18:50:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_set_qh [2021-11-25 18:50:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_set_qh [2021-11-25 18:50:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-25 18:50:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-25 18:50:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_abort [2021-11-25 18:50:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_abort [2021-11-25 18:50:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:50:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-25 18:50:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-25 18:50:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_fifo_flush [2021-11-25 18:50:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_fifo_flush [2021-11-25 18:50:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure musb_hnp_stop [2021-11-25 18:50:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_hnp_stop [2021-11-25 18:50:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure dma_controller_destroy [2021-11-25 18:50:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_controller_destroy [2021-11-25 18:50:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_reset [2021-11-25 18:50:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_reset [2021-11-25 18:50:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2021-11-25 18:50:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2021-11-25 18:50:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_pullup [2021-11-25 18:50:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_pullup [2021-11-25 18:50:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 18:50:40,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 18:50:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-25 18:50:40,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-25 18:50:40,841 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_tx_flush_fifo [2021-11-25 18:50:40,841 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_tx_flush_fifo [2021-11-25 18:50:40,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 18:50:40,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 18:50:40,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 18:50:40,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 18:50:40,842 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2021-11-25 18:50:40,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u8~0~TO~VOID [2021-11-25 18:50:40,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_17_2 [2021-11-25 18:50:40,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_17_2 [2021-11-25 18:50:40,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 18:50:40,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 18:50:40,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 18:50:40,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 18:50:40,843 INFO L130 BoogieDeclarations]: Found specification of procedure first_qh [2021-11-25 18:50:40,843 INFO L138 BoogieDeclarations]: Found implementation of procedure first_qh [2021-11-25 18:50:40,844 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2021-11-25 18:50:40,844 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2021-11-25 18:50:40,844 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 18:50:40,844 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 18:50:40,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 18:50:40,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 18:50:40,844 INFO L130 BoogieDeclarations]: Found specification of procedure nuke [2021-11-25 18:50:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure nuke [2021-11-25 18:50:40,845 INFO L130 BoogieDeclarations]: Found specification of procedure musb_start [2021-11-25 18:50:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_start [2021-11-25 18:50:40,845 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_rx [2021-11-25 18:50:40,845 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_rx [2021-11-25 18:50:40,845 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2021-11-25 18:50:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2021-11-25 18:50:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-25 18:50:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-25 18:50:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure musb_runtime_resume [2021-11-25 18:50:40,846 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_runtime_resume [2021-11-25 18:50:40,846 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_streq [2021-11-25 18:50:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_streq [2021-11-25 18:50:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u16~0 [2021-11-25 18:50:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u16~0 [2021-11-25 18:50:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_rx [2021-11-25 18:50:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_rx [2021-11-25 18:50:40,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:50:40,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:50:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:50:40,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:50:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_97 [2021-11-25 18:50:40,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_97 [2021-11-25 18:50:40,848 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_stop [2021-11-25 18:50:40,848 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_stop [2021-11-25 18:50:40,849 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_tx [2021-11-25 18:50:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_tx [2021-11-25 18:50:40,849 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_packet_rx [2021-11-25 18:50:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_packet_rx [2021-11-25 18:50:40,849 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 18:50:40,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 18:50:40,849 INFO L130 BoogieDeclarations]: Found specification of procedure decode_ep0stage [2021-11-25 18:50:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_ep0stage [2021-11-25 18:50:40,850 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2021-11-25 18:50:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2021-11-25 18:50:40,850 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_halt [2021-11-25 18:50:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_halt [2021-11-25 18:50:40,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 18:50:40,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 18:50:40,851 INFO L130 BoogieDeclarations]: Found specification of procedure musb_bus_resume [2021-11-25 18:50:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_bus_resume [2021-11-25 18:50:40,851 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-25 18:50:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-25 18:50:40,851 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-25 18:50:40,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-25 18:50:40,852 INFO L130 BoogieDeclarations]: Found specification of procedure musb_alloc_request [2021-11-25 18:50:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_alloc_request [2021-11-25 18:50:40,852 INFO L130 BoogieDeclarations]: Found specification of procedure musb_read_ulpi_buscontrol [2021-11-25 18:50:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_read_ulpi_buscontrol [2021-11-25 18:50:40,852 INFO L130 BoogieDeclarations]: Found specification of procedure stop_activity [2021-11-25 18:50:40,852 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_activity [2021-11-25 18:50:40,852 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_halt [2021-11-25 18:50:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_halt [2021-11-25 18:50:40,853 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_musb [2021-11-25 18:50:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_musb [2021-11-25 18:50:40,853 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_configure_channel [2021-11-25 18:50:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_configure_channel [2021-11-25 18:50:40,853 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfifoadd [2021-11-25 18:50:40,853 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfifoadd [2021-11-25 18:50:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:50:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:50:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:50:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-25 18:50:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-25 18:50:40,854 INFO L130 BoogieDeclarations]: Found specification of procedure musb_port_suspend [2021-11-25 18:50:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_port_suspend [2021-11-25 18:50:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure musb_port_reset [2021-11-25 18:50:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_port_reset [2021-11-25 18:50:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 18:50:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 18:50:40,855 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-25 18:50:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-25 18:50:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-25 18:50:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-25 18:50:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure musb_probe [2021-11-25 18:50:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_probe [2021-11-25 18:50:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_tx [2021-11-25 18:50:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_tx [2021-11-25 18:50:40,856 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_cleanup [2021-11-25 18:50:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_cleanup [2021-11-25 18:50:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2021-11-25 18:50:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2021-11-25 18:50:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2021-11-25 18:50:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2021-11-25 18:50:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_musb [2021-11-25 18:50:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_musb [2021-11-25 18:50:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure musb_free_request [2021-11-25 18:50:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_free_request [2021-11-25 18:50:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_init [2021-11-25 18:50:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_init [2021-11-25 18:50:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure musb_h_start [2021-11-25 18:50:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_h_start [2021-11-25 18:50:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure musb_save_context [2021-11-25 18:50:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_save_context [2021-11-25 18:50:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_channel_release [2021-11-25 18:50:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_channel_release [2021-11-25 18:50:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_ep0_giveback [2021-11-25 18:50:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_ep0_giveback [2021-11-25 18:50:40,859 INFO L130 BoogieDeclarations]: Found specification of procedure next_in_request [2021-11-25 18:50:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure next_in_request [2021-11-25 18:50:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure list_is_singular [2021-11-25 18:50:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure list_is_singular [2021-11-25 18:50:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:50:40,860 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_set_wedge [2021-11-25 18:50:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_set_wedge [2021-11-25 18:50:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~u8~0~X~~u16~0~TO~~u32~0 [2021-11-25 18:50:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~u8~0~X~~u16~0~TO~~u32~0 [2021-11-25 18:50:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 18:50:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 18:50:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure to_musb_request [2021-11-25 18:50:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure to_musb_request [2021-11-25 18:50:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure sg_miter_next [2021-11-25 18:50:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_miter_next [2021-11-25 18:50:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 18:50:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 18:50:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxfifosz [2021-11-25 18:50:40,862 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxfifosz [2021-11-25 18:50:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure musb_g_giveback [2021-11-25 18:50:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_g_giveback [2021-11-25 18:50:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure otg_set_host [2021-11-25 18:50:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure otg_set_host [2021-11-25 18:50:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure musb_gadget_get_frame [2021-11-25 18:50:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_gadget_get_frame [2021-11-25 18:50:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-25 18:50:40,863 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-25 18:50:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2021-11-25 18:50:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2021-11-25 18:50:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-25 18:50:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-25 18:50:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u16~0~TO~VOID [2021-11-25 18:50:40,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u16~0~TO~VOID [2021-11-25 18:50:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 18:50:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 18:50:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 18:50:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 18:50:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-25 18:50:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-25 18:50:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure musb_recover_work [2021-11-25 18:50:40,865 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_recover_work [2021-11-25 18:50:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure musb_host_setup [2021-11-25 18:50:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_host_setup [2021-11-25 18:50:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 18:50:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 18:50:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-25 18:50:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-25 18:50:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_ulpi_buscontrol [2021-11-25 18:50:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_ulpi_buscontrol [2021-11-25 18:50:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure musb_test_mode_open [2021-11-25 18:50:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_test_mode_open [2021-11-25 18:50:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 18:50:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 18:50:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_97 [2021-11-25 18:50:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_97 [2021-11-25 18:50:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 18:50:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 18:50:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure usb_phy_set_power [2021-11-25 18:50:40,868 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_phy_set_power [2021-11-25 18:50:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure musb_platform_set_vbus [2021-11-25 18:50:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_platform_set_vbus [2021-11-25 18:50:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure musb_write_rxhubport [2021-11-25 18:50:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_write_rxhubport [2021-11-25 18:50:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure musb_giveback [2021-11-25 18:50:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_giveback [2021-11-25 18:50:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_13 [2021-11-25 18:50:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_13 [2021-11-25 18:50:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-25 18:50:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-25 18:50:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure musb_ep_program [2021-11-25 18:50:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_ep_program [2021-11-25 18:50:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 18:50:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 18:50:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-25 18:50:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-25 18:50:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure musb_shutdown [2021-11-25 18:50:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_shutdown [2021-11-25 18:50:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 18:50:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 18:50:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-25 18:50:40,871 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-25 18:50:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_callback [2021-11-25 18:50:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_callback [2021-11-25 18:50:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-25 18:50:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-25 18:50:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_slave_config [2021-11-25 18:50:40,872 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_slave_config [2021-11-25 18:50:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure musb_regdump_open [2021-11-25 18:50:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_regdump_open [2021-11-25 18:50:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 18:50:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 18:50:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:50:40,873 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_terminate_all [2021-11-25 18:50:40,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_terminate_all [2021-11-25 18:50:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure musb_pullup [2021-11-25 18:50:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure musb_pullup [2021-11-25 18:50:40,997 INFO L130 BoogieDeclarations]: Found specification of procedure ux500_dma_is_compatible [2021-11-25 18:50:40,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ux500_dma_is_compatible [2021-11-25 18:50:43,110 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:50:43,122 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:50:44,585 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:51:02,689 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:51:09,346 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:51:09,346 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-25 18:51:09,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:51:09 BoogieIcfgContainer [2021-11-25 18:51:09,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:51:09,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:51:09,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:51:09,363 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:51:09,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:50:26" (1/3) ... [2021-11-25 18:51:09,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b90b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:51:09, skipping insertion in model container [2021-11-25 18:51:09,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:50:38" (2/3) ... [2021-11-25 18:51:09,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b90b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:51:09, skipping insertion in model container [2021-11-25 18:51:09,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:51:09" (3/3) ... [2021-11-25 18:51:09,367 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--musb--musb_hdrc.ko.cil.i [2021-11-25 18:51:09,377 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:51:09,378 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-25 18:51:09,456 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:51:09,463 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=FINITE_AUTOMATA, 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 [2021-11-25 18:51:09,463 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-25 18:51:09,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 4621 states, 2739 states have (on average 1.298284045271997) internal successors, (3556), 2887 states have internal predecessors, (3556), 1578 states have call successors, (1578), 278 states have call predecessors, (1578), 277 states have return successors, (1567), 1540 states have call predecessors, (1567), 1567 states have call successors, (1567) [2021-11-25 18:51:09,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 18:51:09,594 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:51:09,595 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-25 18:51:09,596 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:51:09,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:51:09,602 INFO L85 PathProgramCache]: Analyzing trace with hash 2094591935, now seen corresponding path program 1 times [2021-11-25 18:51:09,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:51:09,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075637215] [2021-11-25 18:51:09,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:09,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:51:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:51:10,895 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:51:10,896 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:51:10,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075637215] [2021-11-25 18:51:10,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075637215] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:51:10,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:51:10,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:51:10,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247473010] [2021-11-25 18:51:10,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:51:10,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:51:10,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:51:10,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:51:10,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:51:10,963 INFO L87 Difference]: Start difference. First operand has 4621 states, 2739 states have (on average 1.298284045271997) internal successors, (3556), 2887 states have internal predecessors, (3556), 1578 states have call successors, (1578), 278 states have call predecessors, (1578), 277 states have return successors, (1567), 1540 states have call predecessors, (1567), 1567 states have call successors, (1567) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 18:51:14,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:22,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:24,870 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:26,891 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:30,007 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:31,236 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:36,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:38,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:42,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:51:42,348 INFO L93 Difference]: Finished difference Result 12260 states and 18188 transitions. [2021-11-25 18:51:42,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:51:42,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 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 47 [2021-11-25 18:51:42,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:51:42,442 INFO L225 Difference]: With dead ends: 12260 [2021-11-25 18:51:42,443 INFO L226 Difference]: Without dead ends: 7639 [2021-11-25 18:51:42,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:51:42,494 INFO L933 BasicCegarLoop]: 8704 mSDtfsCounter, 6220 mSDsluCounter, 14541 mSDsCounter, 0 mSdLazyCounter, 2789 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6223 SdHoareTripleChecker+Valid, 21578 SdHoareTripleChecker+Invalid, 2794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2789 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:51:42,495 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6223 Valid, 21578 Invalid, 2794 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2789 Invalid, 5 Unknown, 0 Unchecked, 30.6s Time] [2021-11-25 18:51:42,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7639 states. [2021-11-25 18:51:43,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7639 to 7629. [2021-11-25 18:51:43,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7629 states, 4541 states have (on average 1.2781325699185202) internal successors, (5804), 4734 states have internal predecessors, (5804), 2559 states have call successors, (2559), 503 states have call predecessors, (2559), 502 states have return successors, (2558), 2514 states have call predecessors, (2558), 2557 states have call successors, (2558) [2021-11-25 18:51:43,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7629 states to 7629 states and 10921 transitions. [2021-11-25 18:51:43,468 INFO L78 Accepts]: Start accepts. Automaton has 7629 states and 10921 transitions. Word has length 47 [2021-11-25 18:51:43,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:51:43,469 INFO L470 AbstractCegarLoop]: Abstraction has 7629 states and 10921 transitions. [2021-11-25 18:51:43,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 18:51:43,471 INFO L276 IsEmpty]: Start isEmpty. Operand 7629 states and 10921 transitions. [2021-11-25 18:51:43,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 18:51:43,478 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:51:43,478 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-25 18:51:43,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:51:43,479 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:51:43,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:51:43,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1204864001, now seen corresponding path program 1 times [2021-11-25 18:51:43,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:51:43,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401580857] [2021-11-25 18:51:43,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:51:43,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:51:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:51:44,216 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:51:44,216 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:51:44,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401580857] [2021-11-25 18:51:44,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401580857] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:51:44,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:51:44,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:51:44,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957640356] [2021-11-25 18:51:44,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:51:44,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:51:44,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:51:44,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:51:44,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:51:44,220 INFO L87 Difference]: Start difference. First operand 7629 states and 10921 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-25 18:51:46,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:48,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:51:57,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:01,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:05,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:52:05,301 INFO L93 Difference]: Finished difference Result 10432 states and 14873 transitions. [2021-11-25 18:52:05,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:52:05,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 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 52 [2021-11-25 18:52:05,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:52:05,408 INFO L225 Difference]: With dead ends: 10432 [2021-11-25 18:52:05,408 INFO L226 Difference]: Without dead ends: 10430 [2021-11-25 18:52:05,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:52:05,416 INFO L933 BasicCegarLoop]: 9118 mSDtfsCounter, 5882 mSDsluCounter, 15039 mSDsCounter, 0 mSdLazyCounter, 2968 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5889 SdHoareTripleChecker+Valid, 22404 SdHoareTripleChecker+Invalid, 2972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2968 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:52:05,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5889 Valid, 22404 Invalid, 2972 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2968 Invalid, 4 Unknown, 0 Unchecked, 20.5s Time] [2021-11-25 18:52:05,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10430 states. [2021-11-25 18:52:06,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10430 to 10417. [2021-11-25 18:52:06,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10417 states, 6205 states have (on average 1.276067687348912) internal successors, (7918), 6449 states have internal predecessors, (7918), 3472 states have call successors, (3472), 717 states have call predecessors, (3472), 714 states have return successors, (3473), 3410 states have call predecessors, (3473), 3470 states have call successors, (3473) [2021-11-25 18:52:06,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10417 states to 10417 states and 14863 transitions. [2021-11-25 18:52:06,387 INFO L78 Accepts]: Start accepts. Automaton has 10417 states and 14863 transitions. Word has length 52 [2021-11-25 18:52:06,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:52:06,388 INFO L470 AbstractCegarLoop]: Abstraction has 10417 states and 14863 transitions. [2021-11-25 18:52:06,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-25 18:52:06,388 INFO L276 IsEmpty]: Start isEmpty. Operand 10417 states and 14863 transitions. [2021-11-25 18:52:06,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 18:52:06,399 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:52:06,399 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-25 18:52:06,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:52:06,400 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:52:06,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:52:06,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1027873164, now seen corresponding path program 1 times [2021-11-25 18:52:06,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:52:06,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498675216] [2021-11-25 18:52:06,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:52:06,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:52:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:52:07,006 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:52:07,006 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:52:07,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498675216] [2021-11-25 18:52:07,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498675216] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:52:07,007 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:52:07,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:52:07,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552514797] [2021-11-25 18:52:07,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:52:07,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:52:07,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:52:07,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:52:07,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:52:07,010 INFO L87 Difference]: Start difference. First operand 10417 states and 14863 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 18:52:09,353 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:11,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:21,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:23,131 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:24,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:29,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:31,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:52:31,289 INFO L93 Difference]: Finished difference Result 13237 states and 18835 transitions. [2021-11-25 18:52:31,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:52:31,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 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 57 [2021-11-25 18:52:31,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:52:31,408 INFO L225 Difference]: With dead ends: 13237 [2021-11-25 18:52:31,408 INFO L226 Difference]: Without dead ends: 13235 [2021-11-25 18:52:31,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:52:31,419 INFO L933 BasicCegarLoop]: 9133 mSDtfsCounter, 5901 mSDsluCounter, 15062 mSDsCounter, 0 mSdLazyCounter, 2981 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5907 SdHoareTripleChecker+Valid, 22434 SdHoareTripleChecker+Invalid, 2985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2981 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:52:31,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5907 Valid, 22434 Invalid, 2985 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2981 Invalid, 4 Unknown, 0 Unchecked, 23.9s Time] [2021-11-25 18:52:31,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13235 states. [2021-11-25 18:52:32,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13235 to 13223. [2021-11-25 18:52:32,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13223 states, 7880 states have (on average 1.274746192893401) internal successors, (10045), 8175 states have internal predecessors, (10045), 4389 states have call successors, (4389), 933 states have call predecessors, (4389), 929 states have return successors, (4392), 4311 states have call predecessors, (4392), 4387 states have call successors, (4392) [2021-11-25 18:52:32,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13223 states to 13223 states and 18826 transitions. [2021-11-25 18:52:32,473 INFO L78 Accepts]: Start accepts. Automaton has 13223 states and 18826 transitions. Word has length 57 [2021-11-25 18:52:32,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:52:32,476 INFO L470 AbstractCegarLoop]: Abstraction has 13223 states and 18826 transitions. [2021-11-25 18:52:32,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 18:52:32,476 INFO L276 IsEmpty]: Start isEmpty. Operand 13223 states and 18826 transitions. [2021-11-25 18:52:32,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-25 18:52:32,480 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:52:32,480 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-25 18:52:32,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:52:32,481 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:52:32,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:52:32,481 INFO L85 PathProgramCache]: Analyzing trace with hash 2014102358, now seen corresponding path program 1 times [2021-11-25 18:52:32,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:52:32,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95528283] [2021-11-25 18:52:32,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:52:32,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:52:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:52:33,284 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:52:33,284 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:52:33,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95528283] [2021-11-25 18:52:33,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95528283] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:52:33,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:52:33,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:52:33,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923436613] [2021-11-25 18:52:33,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:52:33,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:52:33,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:52:33,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:52:33,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:52:33,288 INFO L87 Difference]: Start difference. First operand 13223 states and 18826 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 18:52:35,618 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:37,640 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:39,675 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:46,422 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:48,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:50,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:53,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:54,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:55,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:58,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:52:59,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:53:02,263 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:53:04,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:53:05,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:53:05,637 INFO L93 Difference]: Finished difference Result 16211 states and 23058 transitions. [2021-11-25 18:53:05,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:53:05,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 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 62 [2021-11-25 18:53:05,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:53:05,716 INFO L225 Difference]: With dead ends: 16211 [2021-11-25 18:53:05,717 INFO L226 Difference]: Without dead ends: 16209 [2021-11-25 18:53:05,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:53:05,726 INFO L933 BasicCegarLoop]: 8775 mSDtfsCounter, 6160 mSDsluCounter, 14630 mSDsCounter, 0 mSdLazyCounter, 2828 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6164 SdHoareTripleChecker+Valid, 21718 SdHoareTripleChecker+Invalid, 2834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2828 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:53:05,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6164 Valid, 21718 Invalid, 2834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2828 Invalid, 6 Unknown, 0 Unchecked, 31.9s Time] [2021-11-25 18:53:05,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16209 states. [2021-11-25 18:53:06,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16209 to 16197. [2021-11-25 18:53:06,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16197 states, 9659 states have (on average 1.2739414018014288) internal successors, (12305), 10010 states have internal predecessors, (12305), 5370 states have call successors, (5370), 1149 states have call predecessors, (5370), 1144 states have return successors, (5374), 5275 states have call predecessors, (5374), 5368 states have call successors, (5374) [2021-11-25 18:53:06,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16197 states to 16197 states and 23049 transitions. [2021-11-25 18:53:06,859 INFO L78 Accepts]: Start accepts. Automaton has 16197 states and 23049 transitions. Word has length 62 [2021-11-25 18:53:06,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:53:06,859 INFO L470 AbstractCegarLoop]: Abstraction has 16197 states and 23049 transitions. [2021-11-25 18:53:06,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 18:53:06,860 INFO L276 IsEmpty]: Start isEmpty. Operand 16197 states and 23049 transitions. [2021-11-25 18:53:06,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 18:53:06,862 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:53:06,863 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 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] [2021-11-25 18:53:06,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:53:06,864 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:53:06,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:53:06,865 INFO L85 PathProgramCache]: Analyzing trace with hash -822897072, now seen corresponding path program 1 times [2021-11-25 18:53:06,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:53:06,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326468697] [2021-11-25 18:53:06,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:53:06,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:53:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:53:07,423 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-25 18:53:07,424 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:53:07,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326468697] [2021-11-25 18:53:07,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326468697] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:53:07,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:53:07,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:53:07,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719156509] [2021-11-25 18:53:07,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:53:07,426 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:53:07,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:53:07,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:53:07,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:53:07,427 INFO L87 Difference]: Start difference. First operand 16197 states and 23049 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 18:53:09,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:53:13,935 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:53:17,821 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:53:21,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:53:24,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:53:25,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:53:25,494 INFO L93 Difference]: Finished difference Result 32384 states and 46074 transitions. [2021-11-25 18:53:25,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:53:25,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 72 [2021-11-25 18:53:25,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:53:25,568 INFO L225 Difference]: With dead ends: 32384 [2021-11-25 18:53:25,569 INFO L226 Difference]: Without dead ends: 16203 [2021-11-25 18:53:25,657 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:53:25,658 INFO L933 BasicCegarLoop]: 8748 mSDtfsCounter, 6193 mSDsluCounter, 4712 mSDsCounter, 0 mSdLazyCounter, 1685 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6194 SdHoareTripleChecker+Valid, 12916 SdHoareTripleChecker+Invalid, 1690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1685 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:53:25,658 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6194 Valid, 12916 Invalid, 1690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1685 Invalid, 4 Unknown, 0 Unchecked, 17.4s Time] [2021-11-25 18:53:25,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16203 states. [2021-11-25 18:53:26,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16203 to 16193. [2021-11-25 18:53:26,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16193 states, 9656 states have (on average 1.2738193869096934) internal successors, (12300), 10006 states have internal predecessors, (12300), 5370 states have call successors, (5370), 1149 states have call predecessors, (5370), 1144 states have return successors, (5374), 5275 states have call predecessors, (5374), 5368 states have call successors, (5374) [2021-11-25 18:53:26,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16193 states to 16193 states and 23044 transitions. [2021-11-25 18:53:26,848 INFO L78 Accepts]: Start accepts. Automaton has 16193 states and 23044 transitions. Word has length 72 [2021-11-25 18:53:26,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:53:26,849 INFO L470 AbstractCegarLoop]: Abstraction has 16193 states and 23044 transitions. [2021-11-25 18:53:26,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 18:53:26,850 INFO L276 IsEmpty]: Start isEmpty. Operand 16193 states and 23044 transitions. [2021-11-25 18:53:26,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 18:53:26,851 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:53:26,851 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-25 18:53:26,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 18:53:26,852 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:53:26,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:53:26,853 INFO L85 PathProgramCache]: Analyzing trace with hash -762525750, now seen corresponding path program 1 times [2021-11-25 18:53:26,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:53:26,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357401435] [2021-11-25 18:53:26,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:53:26,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:53:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:53:27,317 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:53:27,317 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:53:27,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357401435] [2021-11-25 18:53:27,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357401435] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:53:27,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:53:27,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:53:27,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777026012] [2021-11-25 18:53:27,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:53:27,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:53:27,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:53:27,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:53:27,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:53:27,320 INFO L87 Difference]: Start difference. First operand 16193 states and 23044 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 18:53:28,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:53:31,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:53:33,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:53:37,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:53:41,891 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:53:45,350 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:53:48,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:53:48,069 INFO L93 Difference]: Finished difference Result 19017 states and 27025 transitions. [2021-11-25 18:53:48,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:53:48,071 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 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 67 [2021-11-25 18:53:48,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:53:48,155 INFO L225 Difference]: With dead ends: 19017 [2021-11-25 18:53:48,155 INFO L226 Difference]: Without dead ends: 19015 [2021-11-25 18:53:48,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:53:48,168 INFO L933 BasicCegarLoop]: 8589 mSDtfsCounter, 5897 mSDsluCounter, 14428 mSDsCounter, 0 mSdLazyCounter, 2800 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5904 SdHoareTripleChecker+Valid, 21346 SdHoareTripleChecker+Invalid, 2805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2800 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:53:48,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5904 Valid, 21346 Invalid, 2805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2800 Invalid, 5 Unknown, 0 Unchecked, 20.3s Time] [2021-11-25 18:53:48,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19015 states. [2021-11-25 18:53:49,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19015 to 19002. [2021-11-25 18:53:49,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19002 states, 11334 states have (on average 1.273336862537498) internal successors, (14432), 11735 states have internal predecessors, (14432), 6289 states have call successors, (6289), 1364 states have call predecessors, (6289), 1357 states have return successors, (6294), 6178 states have call predecessors, (6294), 6287 states have call successors, (6294) [2021-11-25 18:53:49,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19002 states to 19002 states and 27015 transitions. [2021-11-25 18:53:49,463 INFO L78 Accepts]: Start accepts. Automaton has 19002 states and 27015 transitions. Word has length 67 [2021-11-25 18:53:49,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:53:49,466 INFO L470 AbstractCegarLoop]: Abstraction has 19002 states and 27015 transitions. [2021-11-25 18:53:49,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 18:53:49,466 INFO L276 IsEmpty]: Start isEmpty. Operand 19002 states and 27015 transitions. [2021-11-25 18:53:49,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 18:53:49,468 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:53:49,469 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 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] [2021-11-25 18:53:49,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:53:49,469 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:53:49,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:53:49,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1639749961, now seen corresponding path program 1 times [2021-11-25 18:53:49,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:53:49,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985022888] [2021-11-25 18:53:49,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:53:49,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:53:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:53:49,973 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 18:53:49,974 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:53:49,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985022888] [2021-11-25 18:53:49,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985022888] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:53:49,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270635323] [2021-11-25 18:53:49,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:53:49,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:53:49,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:53:49,978 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:53:49,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:53:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:53:52,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 8595 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 18:53:52,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:53:53,173 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-25 18:53:53,173 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:53:53,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270635323] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:53:53,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:53:53,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-11-25 18:53:53,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662241680] [2021-11-25 18:53:53,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:53:53,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:53:53,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:53:53,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:53:53,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:53:53,175 INFO L87 Difference]: Start difference. First operand 19002 states and 27015 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 18:53:55,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:53:57,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:54:03,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:54:06,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:54:09,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:54:09,384 INFO L93 Difference]: Finished difference Result 37997 states and 54009 transitions. [2021-11-25 18:54:09,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:54:09,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 77 [2021-11-25 18:54:09,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:54:09,570 INFO L225 Difference]: With dead ends: 37997 [2021-11-25 18:54:09,570 INFO L226 Difference]: Without dead ends: 19011 [2021-11-25 18:54:09,640 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:54:09,641 INFO L933 BasicCegarLoop]: 9103 mSDtfsCounter, 5872 mSDsluCounter, 4709 mSDsCounter, 0 mSdLazyCounter, 1755 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5877 SdHoareTripleChecker+Valid, 13271 SdHoareTripleChecker+Invalid, 1760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1755 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:54:09,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5877 Valid, 13271 Invalid, 1760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1755 Invalid, 4 Unknown, 0 Unchecked, 15.6s Time] [2021-11-25 18:54:09,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19011 states. [2021-11-25 18:54:10,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19011 to 18998. [2021-11-25 18:54:10,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18998 states, 11331 states have (on average 1.2732327243844321) internal successors, (14427), 11731 states have internal predecessors, (14427), 6289 states have call successors, (6289), 1364 states have call predecessors, (6289), 1357 states have return successors, (6294), 6178 states have call predecessors, (6294), 6287 states have call successors, (6294) [2021-11-25 18:54:10,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18998 states to 18998 states and 27010 transitions. [2021-11-25 18:54:10,922 INFO L78 Accepts]: Start accepts. Automaton has 18998 states and 27010 transitions. Word has length 77 [2021-11-25 18:54:10,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:54:10,923 INFO L470 AbstractCegarLoop]: Abstraction has 18998 states and 27010 transitions. [2021-11-25 18:54:10,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 18:54:10,923 INFO L276 IsEmpty]: Start isEmpty. Operand 18998 states and 27010 transitions. [2021-11-25 18:54:10,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 18:54:10,925 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:54:10,925 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:54:10,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:54:11,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-25 18:54:11,153 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:54:11,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:54:11,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1118074762, now seen corresponding path program 1 times [2021-11-25 18:54:11,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:54:11,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078791680] [2021-11-25 18:54:11,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:54:11,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:54:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:54:11,941 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:54:11,941 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:54:11,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078791680] [2021-11-25 18:54:11,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078791680] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:54:11,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:54:11,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:54:11,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782751440] [2021-11-25 18:54:11,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:54:11,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:54:11,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:54:11,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:54:11,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:54:11,945 INFO L87 Difference]: Start difference. First operand 18998 states and 27010 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 18:54:13,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:54:15,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:54:20,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:54:23,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:54:25,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:54:27,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:54:31,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:54:33,381 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:54:35,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:54:36,787 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:54:39,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:54:40,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:54:40,919 INFO L93 Difference]: Finished difference Result 19008 states and 27015 transitions. [2021-11-25 18:54:40,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:54:40,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 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 72 [2021-11-25 18:54:40,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:54:41,036 INFO L225 Difference]: With dead ends: 19008 [2021-11-25 18:54:41,036 INFO L226 Difference]: Without dead ends: 19006 [2021-11-25 18:54:41,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:54:41,042 INFO L933 BasicCegarLoop]: 8664 mSDtfsCounter, 6166 mSDsluCounter, 14509 mSDsCounter, 0 mSdLazyCounter, 2811 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6169 SdHoareTripleChecker+Valid, 21496 SdHoareTripleChecker+Invalid, 2816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2811 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:54:41,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6169 Valid, 21496 Invalid, 2816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2811 Invalid, 5 Unknown, 0 Unchecked, 28.4s Time] [2021-11-25 18:54:41,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19006 states. [2021-11-25 18:54:41,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19006 to 18996. [2021-11-25 18:54:41,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18996 states, 11330 states have (on average 1.2731685789938216) internal successors, (14425), 11729 states have internal predecessors, (14425), 6289 states have call successors, (6289), 1364 states have call predecessors, (6289), 1357 states have return successors, (6294), 6178 states have call predecessors, (6294), 6287 states have call successors, (6294) [2021-11-25 18:54:42,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18996 states to 18996 states and 27008 transitions. [2021-11-25 18:54:42,054 INFO L78 Accepts]: Start accepts. Automaton has 18996 states and 27008 transitions. Word has length 72 [2021-11-25 18:54:42,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:54:42,055 INFO L470 AbstractCegarLoop]: Abstraction has 18996 states and 27008 transitions. [2021-11-25 18:54:42,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 18:54:42,055 INFO L276 IsEmpty]: Start isEmpty. Operand 18996 states and 27008 transitions. [2021-11-25 18:54:42,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 18:54:42,057 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:54:42,057 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:54:42,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 18:54:42,058 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:54:42,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:54:42,058 INFO L85 PathProgramCache]: Analyzing trace with hash -2024312442, now seen corresponding path program 1 times [2021-11-25 18:54:42,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:54:42,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512827475] [2021-11-25 18:54:42,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:54:42,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:54:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:54:42,541 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:54:42,541 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:54:42,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512827475] [2021-11-25 18:54:42,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512827475] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:54:42,542 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:54:42,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:54:42,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874662339] [2021-11-25 18:54:42,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:54:42,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:54:42,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:54:42,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:54:42,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:54:42,545 INFO L87 Difference]: Start difference. First operand 18996 states and 27008 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 18:54:44,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:54:46,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:54:55,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:54:57,813 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:02,662 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:03,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:06,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:09,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:10,856 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:13,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:55:13,521 INFO L93 Difference]: Finished difference Result 31752 states and 45666 transitions. [2021-11-25 18:55:13,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:55:13,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2021-11-25 18:55:13,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:55:13,694 INFO L225 Difference]: With dead ends: 31752 [2021-11-25 18:55:13,695 INFO L226 Difference]: Without dead ends: 31750 [2021-11-25 18:55:13,715 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:55:13,716 INFO L933 BasicCegarLoop]: 9642 mSDtfsCounter, 6115 mSDsluCounter, 17597 mSDsCounter, 0 mSdLazyCounter, 3232 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6117 SdHoareTripleChecker+Valid, 25235 SdHoareTripleChecker+Invalid, 3239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3232 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:55:13,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6117 Valid, 25235 Invalid, 3239 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3232 Invalid, 6 Unknown, 0 Unchecked, 30.0s Time] [2021-11-25 18:55:13,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31750 states. [2021-11-25 18:55:15,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31750 to 31563. [2021-11-25 18:55:15,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31563 states, 18826 states have (on average 1.2741952618718793) internal successors, (23988), 19493 states have internal predecessors, (23988), 10491 states have call successors, (10491), 2241 states have call predecessors, (10491), 2226 states have return successors, (10976), 10291 states have call predecessors, (10976), 10489 states have call successors, (10976) [2021-11-25 18:55:16,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31563 states to 31563 states and 45455 transitions. [2021-11-25 18:55:16,122 INFO L78 Accepts]: Start accepts. Automaton has 31563 states and 45455 transitions. Word has length 77 [2021-11-25 18:55:16,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:55:16,122 INFO L470 AbstractCegarLoop]: Abstraction has 31563 states and 45455 transitions. [2021-11-25 18:55:16,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 18:55:16,123 INFO L276 IsEmpty]: Start isEmpty. Operand 31563 states and 45455 transitions. [2021-11-25 18:55:16,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-25 18:55:16,126 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:55:16,126 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:55:16,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 18:55:16,127 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:55:16,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:55:16,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1366857180, now seen corresponding path program 1 times [2021-11-25 18:55:16,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:55:16,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180157741] [2021-11-25 18:55:16,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:55:16,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:55:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:55:16,954 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:55:16,954 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:55:16,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180157741] [2021-11-25 18:55:16,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180157741] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:55:16,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:55:16,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:55:16,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406567149] [2021-11-25 18:55:16,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:55:16,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:55:16,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:55:16,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:55:16,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:55:16,957 INFO L87 Difference]: Start difference. First operand 31563 states and 45455 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:55:19,351 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:21,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:28,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:30,725 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:32,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:36,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:41,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:55:41,197 INFO L93 Difference]: Finished difference Result 31579 states and 45466 transitions. [2021-11-25 18:55:41,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:55:41,199 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2021-11-25 18:55:41,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:55:41,304 INFO L225 Difference]: With dead ends: 31579 [2021-11-25 18:55:41,304 INFO L226 Difference]: Without dead ends: 31577 [2021-11-25 18:55:41,315 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:55:41,316 INFO L933 BasicCegarLoop]: 9115 mSDtfsCounter, 5882 mSDsluCounter, 15038 mSDsCounter, 0 mSdLazyCounter, 2977 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5888 SdHoareTripleChecker+Valid, 22394 SdHoareTripleChecker+Invalid, 2982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2977 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:55:41,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5888 Valid, 22394 Invalid, 2982 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2977 Invalid, 5 Unknown, 0 Unchecked, 23.1s Time] [2021-11-25 18:55:41,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31577 states. [2021-11-25 18:55:43,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31577 to 31561. [2021-11-25 18:55:43,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31561 states, 18825 states have (on average 1.274156706507304) internal successors, (23986), 19491 states have internal predecessors, (23986), 10491 states have call successors, (10491), 2241 states have call predecessors, (10491), 2226 states have return successors, (10976), 10291 states have call predecessors, (10976), 10489 states have call successors, (10976) [2021-11-25 18:55:43,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31561 states to 31561 states and 45453 transitions. [2021-11-25 18:55:43,262 INFO L78 Accepts]: Start accepts. Automaton has 31561 states and 45453 transitions. Word has length 82 [2021-11-25 18:55:43,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:55:43,262 INFO L470 AbstractCegarLoop]: Abstraction has 31561 states and 45453 transitions. [2021-11-25 18:55:43,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:55:43,263 INFO L276 IsEmpty]: Start isEmpty. Operand 31561 states and 45453 transitions. [2021-11-25 18:55:43,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-25 18:55:43,264 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:55:43,265 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:55:43,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 18:55:43,265 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:55:43,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:55:43,266 INFO L85 PathProgramCache]: Analyzing trace with hash 710567623, now seen corresponding path program 1 times [2021-11-25 18:55:43,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:55:43,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657885952] [2021-11-25 18:55:43,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:55:43,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:55:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:55:43,743 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:55:43,744 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:55:43,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657885952] [2021-11-25 18:55:43,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657885952] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:55:43,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:55:43,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:55:43,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195754133] [2021-11-25 18:55:43,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:55:43,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:55:43,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:55:43,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:55:43,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:55:43,747 INFO L87 Difference]: Start difference. First operand 31561 states and 45453 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:55:45,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:47,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:53,089 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:57,066 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:00,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:01,784 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:03,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:07,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:09,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:56:09,616 INFO L93 Difference]: Finished difference Result 31576 states and 45463 transitions. [2021-11-25 18:56:09,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:56:09,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2021-11-25 18:56:09,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:56:09,731 INFO L225 Difference]: With dead ends: 31576 [2021-11-25 18:56:09,731 INFO L226 Difference]: Without dead ends: 31574 [2021-11-25 18:56:09,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:56:09,747 INFO L933 BasicCegarLoop]: 8578 mSDtfsCounter, 5881 mSDsluCounter, 14418 mSDsCounter, 0 mSdLazyCounter, 2802 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5888 SdHoareTripleChecker+Valid, 21324 SdHoareTripleChecker+Invalid, 2807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2802 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:56:09,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5888 Valid, 21324 Invalid, 2807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2802 Invalid, 5 Unknown, 0 Unchecked, 24.6s Time] [2021-11-25 18:56:09,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31574 states. [2021-11-25 18:56:11,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31574 to 31559. [2021-11-25 18:56:11,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31559 states, 18824 states have (on average 1.2741181470463239) internal successors, (23984), 19489 states have internal predecessors, (23984), 10491 states have call successors, (10491), 2241 states have call predecessors, (10491), 2226 states have return successors, (10976), 10291 states have call predecessors, (10976), 10489 states have call successors, (10976) [2021-11-25 18:56:11,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31559 states to 31559 states and 45451 transitions. [2021-11-25 18:56:12,004 INFO L78 Accepts]: Start accepts. Automaton has 31559 states and 45451 transitions. Word has length 84 [2021-11-25 18:56:12,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:56:12,008 INFO L470 AbstractCegarLoop]: Abstraction has 31559 states and 45451 transitions. [2021-11-25 18:56:12,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:56:12,008 INFO L276 IsEmpty]: Start isEmpty. Operand 31559 states and 45451 transitions. [2021-11-25 18:56:12,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-25 18:56:12,011 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:56:12,012 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:56:12,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 18:56:12,012 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:56:12,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:56:12,015 INFO L85 PathProgramCache]: Analyzing trace with hash 761584963, now seen corresponding path program 1 times [2021-11-25 18:56:12,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:56:12,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976955305] [2021-11-25 18:56:12,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:56:12,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:56:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:56:13,087 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:56:13,087 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:56:13,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976955305] [2021-11-25 18:56:13,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976955305] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:56:13,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:56:13,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:56:13,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357476452] [2021-11-25 18:56:13,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:56:13,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:56:13,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:56:13,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:56:13,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:56:13,090 INFO L87 Difference]: Start difference. First operand 31559 states and 45451 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 18:56:15,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:17,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:26,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:28,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:32,847 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:35,266 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:37,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:40,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:56:40,141 INFO L93 Difference]: Finished difference Result 31575 states and 45462 transitions. [2021-11-25 18:56:40,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:56:40,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2021-11-25 18:56:40,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:56:40,251 INFO L225 Difference]: With dead ends: 31575 [2021-11-25 18:56:40,251 INFO L226 Difference]: Without dead ends: 31573 [2021-11-25 18:56:40,263 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:56:40,264 INFO L933 BasicCegarLoop]: 9111 mSDtfsCounter, 5873 mSDsluCounter, 15038 mSDsCounter, 0 mSdLazyCounter, 2977 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5879 SdHoareTripleChecker+Valid, 22390 SdHoareTripleChecker+Invalid, 2982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2977 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:56:40,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5879 Valid, 22390 Invalid, 2982 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2977 Invalid, 5 Unknown, 0 Unchecked, 25.9s Time] [2021-11-25 18:56:40,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31573 states. [2021-11-25 18:56:41,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31573 to 31557. [2021-11-25 18:56:42,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31557 states, 18823 states have (on average 1.2740795834882856) internal successors, (23982), 19487 states have internal predecessors, (23982), 10491 states have call successors, (10491), 2241 states have call predecessors, (10491), 2226 states have return successors, (10976), 10291 states have call predecessors, (10976), 10489 states have call successors, (10976) [2021-11-25 18:56:42,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31557 states to 31557 states and 45449 transitions. [2021-11-25 18:56:42,166 INFO L78 Accepts]: Start accepts. Automaton has 31557 states and 45449 transitions. Word has length 89 [2021-11-25 18:56:42,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:56:42,167 INFO L470 AbstractCegarLoop]: Abstraction has 31557 states and 45449 transitions. [2021-11-25 18:56:42,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 18:56:42,167 INFO L276 IsEmpty]: Start isEmpty. Operand 31557 states and 45449 transitions. [2021-11-25 18:56:42,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-25 18:56:42,169 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:56:42,169 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:56:42,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 18:56:42,170 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:56:42,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:56:42,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1377852093, now seen corresponding path program 1 times [2021-11-25 18:56:42,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:56:42,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278518450] [2021-11-25 18:56:42,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:56:42,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:56:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:56:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:56:42,608 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:56:42,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278518450] [2021-11-25 18:56:42,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278518450] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:56:42,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:56:42,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:56:42,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069186066] [2021-11-25 18:56:42,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:56:42,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:56:42,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:56:42,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:56:42,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:56:42,611 INFO L87 Difference]: Start difference. First operand 31557 states and 45449 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 18:56:44,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:46,919 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:54,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:57,557 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:59,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:01,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:04,599 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:06,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:08,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:57:08,839 INFO L93 Difference]: Finished difference Result 34528 states and 49656 transitions. [2021-11-25 18:57:08,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:57:08,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2021-11-25 18:57:08,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:57:08,983 INFO L225 Difference]: With dead ends: 34528 [2021-11-25 18:57:08,984 INFO L226 Difference]: Without dead ends: 34526 [2021-11-25 18:57:08,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:57:09,000 INFO L933 BasicCegarLoop]: 9159 mSDtfsCounter, 6103 mSDsluCounter, 15084 mSDsCounter, 0 mSdLazyCounter, 2972 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6107 SdHoareTripleChecker+Valid, 22486 SdHoareTripleChecker+Invalid, 2978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2972 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:57:09,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6107 Valid, 22486 Invalid, 2978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2972 Invalid, 6 Unknown, 0 Unchecked, 24.7s Time] [2021-11-25 18:57:09,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34526 states. [2021-11-25 18:57:10,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34526 to 34510. [2021-11-25 18:57:10,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34510 states, 20588 states have (on average 1.2737517000194287) internal successors, (26224), 21308 states have internal predecessors, (26224), 11466 states have call successors, (11466), 2456 states have call predecessors, (11466), 2440 states have return successors, (11953), 11248 states have call predecessors, (11953), 11464 states have call successors, (11953) [2021-11-25 18:57:11,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34510 states to 34510 states and 49643 transitions. [2021-11-25 18:57:11,102 INFO L78 Accepts]: Start accepts. Automaton has 34510 states and 49643 transitions. Word has length 94 [2021-11-25 18:57:11,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:57:11,103 INFO L470 AbstractCegarLoop]: Abstraction has 34510 states and 49643 transitions. [2021-11-25 18:57:11,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 18:57:11,103 INFO L276 IsEmpty]: Start isEmpty. Operand 34510 states and 49643 transitions. [2021-11-25 18:57:11,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-25 18:57:11,106 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:57:11,106 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:57:11,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 18:57:11,106 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:57:11,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:57:11,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1669457215, now seen corresponding path program 1 times [2021-11-25 18:57:11,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:57:11,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466783596] [2021-11-25 18:57:11,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:57:11,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:57:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:57:11,537 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:57:11,538 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:57:11,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466783596] [2021-11-25 18:57:11,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466783596] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:57:11,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:57:11,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:57:11,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470412030] [2021-11-25 18:57:11,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:57:11,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:57:11,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:57:11,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:57:11,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:57:11,541 INFO L87 Difference]: Start difference. First operand 34510 states and 49643 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 18:57:13,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:15,929 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:23,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:26,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:28,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:29,808 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:34,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:36,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:57:36,103 INFO L93 Difference]: Finished difference Result 34525 states and 49653 transitions. [2021-11-25 18:57:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:57:36,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2021-11-25 18:57:36,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:57:36,212 INFO L225 Difference]: With dead ends: 34525 [2021-11-25 18:57:36,212 INFO L226 Difference]: Without dead ends: 34523 [2021-11-25 18:57:36,224 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:57:36,225 INFO L933 BasicCegarLoop]: 9090 mSDtfsCounter, 5845 mSDsluCounter, 15013 mSDsCounter, 0 mSdLazyCounter, 2970 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5852 SdHoareTripleChecker+Valid, 22348 SdHoareTripleChecker+Invalid, 2975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2970 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:57:36,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5852 Valid, 22348 Invalid, 2975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2970 Invalid, 5 Unknown, 0 Unchecked, 23.2s Time] [2021-11-25 18:57:36,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34523 states. [2021-11-25 18:57:38,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34523 to 34508. [2021-11-25 18:57:38,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34508 states, 20587 states have (on average 1.273716422985379) internal successors, (26222), 21306 states have internal predecessors, (26222), 11466 states have call successors, (11466), 2456 states have call predecessors, (11466), 2440 states have return successors, (11953), 11248 states have call predecessors, (11953), 11464 states have call successors, (11953) [2021-11-25 18:57:38,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34508 states to 34508 states and 49641 transitions. [2021-11-25 18:57:38,379 INFO L78 Accepts]: Start accepts. Automaton has 34508 states and 49641 transitions. Word has length 99 [2021-11-25 18:57:38,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:57:38,380 INFO L470 AbstractCegarLoop]: Abstraction has 34508 states and 49641 transitions. [2021-11-25 18:57:38,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 18:57:38,380 INFO L276 IsEmpty]: Start isEmpty. Operand 34508 states and 49641 transitions. [2021-11-25 18:57:38,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-25 18:57:38,382 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:57:38,382 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:57:38,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 18:57:38,383 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:57:38,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:57:38,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1039802775, now seen corresponding path program 1 times [2021-11-25 18:57:38,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:57:38,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205001378] [2021-11-25 18:57:38,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:57:38,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:57:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:57:38,920 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-25 18:57:38,920 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:57:38,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205001378] [2021-11-25 18:57:38,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205001378] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:57:38,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:57:38,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:57:38,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221847671] [2021-11-25 18:57:38,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:57:38,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:57:38,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:57:38,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:57:38,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:57:38,923 INFO L87 Difference]: Start difference. First operand 34508 states and 49641 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 18:57:41,339 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:43,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:52,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:54,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:59,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:00,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:03,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:08,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:58:08,237 INFO L93 Difference]: Finished difference Result 54430 states and 78690 transitions. [2021-11-25 18:58:08,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:58:08,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 132 [2021-11-25 18:58:08,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:58:08,440 INFO L225 Difference]: With dead ends: 54430 [2021-11-25 18:58:08,440 INFO L226 Difference]: Without dead ends: 54428 [2021-11-25 18:58:08,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 18:58:08,460 INFO L933 BasicCegarLoop]: 8487 mSDtfsCounter, 4496 mSDsluCounter, 25547 mSDsCounter, 0 mSdLazyCounter, 3920 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4497 SdHoareTripleChecker+Valid, 31178 SdHoareTripleChecker+Invalid, 3927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3920 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:58:08,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4497 Valid, 31178 Invalid, 3927 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3920 Invalid, 5 Unknown, 0 Unchecked, 27.1s Time] [2021-11-25 18:58:08,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54428 states. [2021-11-25 18:58:11,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54428 to 54241. [2021-11-25 18:58:11,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54241 states, 32107 states have (on average 1.2561123742486062) internal successors, (40330), 33313 states have internal predecessors, (40330), 17642 states have call successors, (17642), 4494 states have call predecessors, (17642), 4477 states have return successors, (20505), 17155 states have call predecessors, (20505), 17640 states have call successors, (20505) [2021-11-25 18:58:11,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54241 states to 54241 states and 78477 transitions. [2021-11-25 18:58:11,971 INFO L78 Accepts]: Start accepts. Automaton has 54241 states and 78477 transitions. Word has length 132 [2021-11-25 18:58:11,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:58:11,972 INFO L470 AbstractCegarLoop]: Abstraction has 54241 states and 78477 transitions. [2021-11-25 18:58:11,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 18:58:11,972 INFO L276 IsEmpty]: Start isEmpty. Operand 54241 states and 78477 transitions. [2021-11-25 18:58:11,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-25 18:58:11,974 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:58:11,974 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:58:11,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 18:58:11,974 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:58:11,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:58:11,975 INFO L85 PathProgramCache]: Analyzing trace with hash 2065525437, now seen corresponding path program 1 times [2021-11-25 18:58:11,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:58:11,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082545984] [2021-11-25 18:58:11,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:58:11,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:58:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:58:12,416 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:58:12,417 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:58:12,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082545984] [2021-11-25 18:58:12,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082545984] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:58:12,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:58:12,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:58:12,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178557688] [2021-11-25 18:58:12,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:58:12,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:58:12,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:58:12,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:58:12,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:58:12,420 INFO L87 Difference]: Start difference. First operand 54241 states and 78477 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-25 18:58:15,258 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:17,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:26,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:28,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:32,342 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:37,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:58:37,675 INFO L93 Difference]: Finished difference Result 54257 states and 78488 transitions. [2021-11-25 18:58:37,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:58:37,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2021-11-25 18:58:37,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:58:37,878 INFO L225 Difference]: With dead ends: 54257 [2021-11-25 18:58:37,878 INFO L226 Difference]: Without dead ends: 54255 [2021-11-25 18:58:37,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:58:37,898 INFO L933 BasicCegarLoop]: 9102 mSDtfsCounter, 5864 mSDsluCounter, 15031 mSDsCounter, 0 mSdLazyCounter, 2982 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5870 SdHoareTripleChecker+Valid, 22372 SdHoareTripleChecker+Invalid, 2987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2982 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:58:37,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5870 Valid, 22372 Invalid, 2987 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2982 Invalid, 5 Unknown, 0 Unchecked, 23.1s Time] [2021-11-25 18:58:37,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54255 states. [2021-11-25 18:58:41,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54255 to 54239. [2021-11-25 18:58:41,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54239 states, 32106 states have (on average 1.2560892045100605) internal successors, (40328), 33311 states have internal predecessors, (40328), 17642 states have call successors, (17642), 4494 states have call predecessors, (17642), 4477 states have return successors, (20505), 17155 states have call predecessors, (20505), 17640 states have call successors, (20505) [2021-11-25 18:58:41,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54239 states to 54239 states and 78475 transitions. [2021-11-25 18:58:41,716 INFO L78 Accepts]: Start accepts. Automaton has 54239 states and 78475 transitions. Word has length 104 [2021-11-25 18:58:41,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:58:41,716 INFO L470 AbstractCegarLoop]: Abstraction has 54239 states and 78475 transitions. [2021-11-25 18:58:41,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-25 18:58:41,717 INFO L276 IsEmpty]: Start isEmpty. Operand 54239 states and 78475 transitions. [2021-11-25 18:58:41,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-25 18:58:41,719 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:58:41,720 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:58:41,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-25 18:58:41,720 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:58:41,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:58:41,720 INFO L85 PathProgramCache]: Analyzing trace with hash 2133053854, now seen corresponding path program 1 times [2021-11-25 18:58:41,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:58:41,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520892230] [2021-11-25 18:58:41,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:58:41,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:58:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:58:42,211 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:58:42,211 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:58:42,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520892230] [2021-11-25 18:58:42,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520892230] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:58:42,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:58:42,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:58:42,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072160160] [2021-11-25 18:58:42,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:58:42,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:58:42,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:58:42,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:58:42,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:58:42,215 INFO L87 Difference]: Start difference. First operand 54239 states and 78475 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-25 18:58:44,905 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:46,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:55,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:57,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:00,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:02,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:04,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:07,591 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:12,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:14,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:59:14,908 INFO L93 Difference]: Finished difference Result 58961 states and 85160 transitions. [2021-11-25 18:59:14,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:59:14,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2021-11-25 18:59:14,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:59:15,290 INFO L225 Difference]: With dead ends: 58961 [2021-11-25 18:59:15,290 INFO L226 Difference]: Without dead ends: 58959 [2021-11-25 18:59:15,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:59:15,311 INFO L933 BasicCegarLoop]: 9167 mSDtfsCounter, 6116 mSDsluCounter, 15101 mSDsCounter, 0 mSdLazyCounter, 2987 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6119 SdHoareTripleChecker+Valid, 22502 SdHoareTripleChecker+Invalid, 2994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2987 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:59:15,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6119 Valid, 22502 Invalid, 2994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2987 Invalid, 7 Unknown, 0 Unchecked, 30.5s Time] [2021-11-25 18:59:15,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58959 states. [2021-11-25 18:59:18,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58959 to 58946. [2021-11-25 18:59:18,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58946 states, 34897 states have (on average 1.2557812992520847) internal successors, (43823), 36199 states have internal predecessors, (43823), 19154 states have call successors, (19154), 4896 states have call predecessors, (19154), 4882 states have return successors, (22173), 18630 states have call predecessors, (22173), 19152 states have call successors, (22173) [2021-11-25 18:59:18,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58946 states to 58946 states and 85150 transitions. [2021-11-25 18:59:18,671 INFO L78 Accepts]: Start accepts. Automaton has 58946 states and 85150 transitions. Word has length 109 [2021-11-25 18:59:18,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:59:18,671 INFO L470 AbstractCegarLoop]: Abstraction has 58946 states and 85150 transitions. [2021-11-25 18:59:18,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-25 18:59:18,672 INFO L276 IsEmpty]: Start isEmpty. Operand 58946 states and 85150 transitions. [2021-11-25 18:59:18,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-25 18:59:18,674 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:59:18,674 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:59:18,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-25 18:59:18,674 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:59:18,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:59:18,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1009012162, now seen corresponding path program 1 times [2021-11-25 18:59:18,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:59:18,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619336911] [2021-11-25 18:59:18,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:59:18,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:59:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:59:19,341 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:59:19,341 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:59:19,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619336911] [2021-11-25 18:59:19,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619336911] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:59:19,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:59:19,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:59:19,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516677278] [2021-11-25 18:59:19,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:59:19,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:59:19,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:59:19,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:59:19,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:59:19,344 INFO L87 Difference]: Start difference. First operand 58946 states and 85150 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-25 18:59:21,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:23,703 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:30,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:34,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:36,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:41,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:42,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:45,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:59:45,353 INFO L93 Difference]: Finished difference Result 58962 states and 85161 transitions. [2021-11-25 18:59:45,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:59:45,355 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2021-11-25 18:59:45,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:59:45,585 INFO L225 Difference]: With dead ends: 58962 [2021-11-25 18:59:45,585 INFO L226 Difference]: Without dead ends: 58960 [2021-11-25 18:59:45,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:59:45,608 INFO L933 BasicCegarLoop]: 9160 mSDtfsCounter, 6091 mSDsluCounter, 15089 mSDsCounter, 0 mSdLazyCounter, 2981 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6095 SdHoareTripleChecker+Valid, 22488 SdHoareTripleChecker+Invalid, 2986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2981 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:59:45,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6095 Valid, 22488 Invalid, 2986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2981 Invalid, 5 Unknown, 0 Unchecked, 24.0s Time] [2021-11-25 18:59:45,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58960 states. [2021-11-25 18:59:48,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58960 to 58944. [2021-11-25 18:59:48,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58944 states, 34896 states have (on average 1.2557599724896837) internal successors, (43821), 36197 states have internal predecessors, (43821), 19154 states have call successors, (19154), 4896 states have call predecessors, (19154), 4882 states have return successors, (22173), 18630 states have call predecessors, (22173), 19152 states have call successors, (22173) [2021-11-25 18:59:49,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58944 states to 58944 states and 85148 transitions. [2021-11-25 18:59:49,409 INFO L78 Accepts]: Start accepts. Automaton has 58944 states and 85148 transitions. Word has length 114 [2021-11-25 18:59:49,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:59:49,409 INFO L470 AbstractCegarLoop]: Abstraction has 58944 states and 85148 transitions. [2021-11-25 18:59:49,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-25 18:59:49,410 INFO L276 IsEmpty]: Start isEmpty. Operand 58944 states and 85148 transitions. [2021-11-25 18:59:49,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-25 18:59:49,413 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:59:49,414 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:59:49,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-25 18:59:49,414 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:59:49,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:59:49,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1695206704, now seen corresponding path program 1 times [2021-11-25 18:59:49,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:59:49,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706866123] [2021-11-25 18:59:49,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:59:49,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:59:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:59:49,832 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:59:49,832 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:59:49,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706866123] [2021-11-25 18:59:49,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706866123] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:59:49,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:59:49,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:59:49,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565720000] [2021-11-25 18:59:49,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:59:49,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:59:49,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:59:49,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:59:49,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:59:49,835 INFO L87 Difference]: Start difference. First operand 58944 states and 85148 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-25 18:59:52,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:54,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:00:01,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:00:03,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:00:08,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:00:10,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:00:13,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:00:17,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:00:19,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:00:19,968 INFO L93 Difference]: Finished difference Result 58957 states and 85156 transitions. [2021-11-25 19:00:19,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:00:19,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2021-11-25 19:00:19,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:00:20,184 INFO L225 Difference]: With dead ends: 58957 [2021-11-25 19:00:20,184 INFO L226 Difference]: Without dead ends: 58955 [2021-11-25 19:00:20,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:00:20,205 INFO L933 BasicCegarLoop]: 9163 mSDtfsCounter, 6110 mSDsluCounter, 15097 mSDsCounter, 0 mSdLazyCounter, 2988 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6113 SdHoareTripleChecker+Valid, 22494 SdHoareTripleChecker+Invalid, 2994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2988 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:00:20,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6113 Valid, 22494 Invalid, 2994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2988 Invalid, 6 Unknown, 0 Unchecked, 27.6s Time] [2021-11-25 19:00:20,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58955 states. [2021-11-25 19:00:23,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58955 to 58942. [2021-11-25 19:00:23,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58942 states, 34895 states have (on average 1.2557386445049434) internal successors, (43819), 36195 states have internal predecessors, (43819), 19154 states have call successors, (19154), 4896 states have call predecessors, (19154), 4882 states have return successors, (22173), 18630 states have call predecessors, (22173), 19152 states have call successors, (22173) [2021-11-25 19:00:24,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58942 states to 58942 states and 85146 transitions. [2021-11-25 19:00:24,167 INFO L78 Accepts]: Start accepts. Automaton has 58942 states and 85146 transitions. Word has length 119 [2021-11-25 19:00:24,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:00:24,167 INFO L470 AbstractCegarLoop]: Abstraction has 58942 states and 85146 transitions. [2021-11-25 19:00:24,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-25 19:00:24,167 INFO L276 IsEmpty]: Start isEmpty. Operand 58942 states and 85146 transitions. [2021-11-25 19:00:24,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-25 19:00:24,171 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:00:24,171 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:00:24,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-25 19:00:24,172 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:00:24,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:00:24,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1493438877, now seen corresponding path program 1 times [2021-11-25 19:00:24,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:00:24,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535209059] [2021-11-25 19:00:24,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:24,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:00:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:00:24,978 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-11-25 19:00:24,978 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:00:24,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535209059] [2021-11-25 19:00:24,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535209059] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:00:24,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:00:24,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:00:24,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275537204] [2021-11-25 19:00:24,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:00:24,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:00:24,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:00:24,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:00:24,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:00:24,981 INFO L87 Difference]: Start difference. First operand 58942 states and 85146 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-25 19:00:27,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:00:29,450 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:00:36,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:00:41,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:00:47,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:00:47,840 INFO L93 Difference]: Finished difference Result 77144 states and 111155 transitions. [2021-11-25 19:00:47,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:00:47,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2021-11-25 19:00:47,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:00:48,303 INFO L225 Difference]: With dead ends: 77144 [2021-11-25 19:00:48,303 INFO L226 Difference]: Without dead ends: 77142 [2021-11-25 19:00:48,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 19:00:48,335 INFO L933 BasicCegarLoop]: 7033 mSDtfsCounter, 4200 mSDsluCounter, 20591 mSDsCounter, 0 mSdLazyCounter, 3268 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4201 SdHoareTripleChecker+Valid, 25262 SdHoareTripleChecker+Invalid, 3273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3268 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:00:48,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4201 Valid, 25262 Invalid, 3273 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3268 Invalid, 4 Unknown, 0 Unchecked, 19.9s Time] [2021-11-25 19:00:48,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77142 states. [2021-11-25 19:00:52,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77142 to 77099. [2021-11-25 19:00:52,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77099 states, 45447 states have (on average 1.246396901885713) internal successors, (56645), 47182 states have internal predecessors, (56645), 24815 states have call successors, (24815), 6898 states have call predecessors, (24815), 6826 states have return successors, (29640), 23941 states have call predecessors, (29640), 24813 states have call successors, (29640) [2021-11-25 19:00:53,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77099 states to 77099 states and 111100 transitions. [2021-11-25 19:00:53,260 INFO L78 Accepts]: Start accepts. Automaton has 77099 states and 111100 transitions. Word has length 151 [2021-11-25 19:00:53,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:00:53,261 INFO L470 AbstractCegarLoop]: Abstraction has 77099 states and 111100 transitions. [2021-11-25 19:00:53,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-25 19:00:53,261 INFO L276 IsEmpty]: Start isEmpty. Operand 77099 states and 111100 transitions. [2021-11-25 19:00:53,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-25 19:00:53,266 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:00:53,267 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:00:53,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-25 19:00:53,267 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:00:53,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:00:53,268 INFO L85 PathProgramCache]: Analyzing trace with hash -333914998, now seen corresponding path program 1 times [2021-11-25 19:00:53,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:00:53,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701190118] [2021-11-25 19:00:53,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:53,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:00:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:00:54,069 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:00:54,070 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:00:54,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701190118] [2021-11-25 19:00:54,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701190118] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:00:54,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:00:54,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:00:54,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500799976] [2021-11-25 19:00:54,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:00:54,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:00:54,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:00:54,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:00:54,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:00:54,075 INFO L87 Difference]: Start difference. First operand 77099 states and 111100 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-25 19:00:56,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:00:58,484 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:01:06,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:01:08,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:01:13,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:01:17,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:01:21,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:21,367 INFO L93 Difference]: Finished difference Result 77114 states and 111110 transitions. [2021-11-25 19:01:21,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:01:21,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2021-11-25 19:01:21,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:21,663 INFO L225 Difference]: With dead ends: 77114 [2021-11-25 19:01:21,663 INFO L226 Difference]: Without dead ends: 77112 [2021-11-25 19:01:21,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:01:21,689 INFO L933 BasicCegarLoop]: 9122 mSDtfsCounter, 5830 mSDsluCounter, 15052 mSDsCounter, 0 mSdLazyCounter, 2983 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5837 SdHoareTripleChecker+Valid, 22412 SdHoareTripleChecker+Invalid, 2989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2983 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:21,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5837 Valid, 22412 Invalid, 2989 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2983 Invalid, 6 Unknown, 0 Unchecked, 24.0s Time] [2021-11-25 19:01:21,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77112 states. [2021-11-25 19:01:25,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77112 to 77097. [2021-11-25 19:01:25,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77097 states, 45446 states have (on average 1.246380319500066) internal successors, (56643), 47180 states have internal predecessors, (56643), 24815 states have call successors, (24815), 6898 states have call predecessors, (24815), 6826 states have return successors, (29640), 23941 states have call predecessors, (29640), 24813 states have call successors, (29640) [2021-11-25 19:01:26,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77097 states to 77097 states and 111098 transitions. [2021-11-25 19:01:26,246 INFO L78 Accepts]: Start accepts. Automaton has 77097 states and 111098 transitions. Word has length 124 [2021-11-25 19:01:26,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:26,247 INFO L470 AbstractCegarLoop]: Abstraction has 77097 states and 111098 transitions. [2021-11-25 19:01:26,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-25 19:01:26,247 INFO L276 IsEmpty]: Start isEmpty. Operand 77097 states and 111098 transitions. [2021-11-25 19:01:26,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-25 19:01:26,251 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:26,251 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:26,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-25 19:01:26,252 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting musb_freeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:01:26,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:26,252 INFO L85 PathProgramCache]: Analyzing trace with hash 487019790, now seen corresponding path program 1 times [2021-11-25 19:01:26,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:26,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973857132] [2021-11-25 19:01:26,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:26,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:26,847 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-25 19:01:26,847 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:26,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973857132] [2021-11-25 19:01:26,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973857132] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:26,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:26,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:01:26,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231375958] [2021-11-25 19:01:26,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:26,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:01:26,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:26,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:01:26,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:01:26,850 INFO L87 Difference]: Start difference. First operand 77097 states and 111098 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-25 19:01:30,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:01:32,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:01:37,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:01:40,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:01:43,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:01:45,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:01:49,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:01:49,785 INFO L93 Difference]: Finished difference Result 129696 states and 191186 transitions. [2021-11-25 19:01:49,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:01:49,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 139 [2021-11-25 19:01:49,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:01:50,169 INFO L225 Difference]: With dead ends: 129696 [2021-11-25 19:01:50,169 INFO L226 Difference]: Without dead ends: 77277 [2021-11-25 19:01:50,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:01:50,387 INFO L933 BasicCegarLoop]: 5797 mSDtfsCounter, 7 mSDsluCounter, 13131 mSDsCounter, 0 mSdLazyCounter, 2404 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 17354 SdHoareTripleChecker+Invalid, 2408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2404 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:01:50,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 17354 Invalid, 2408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2404 Invalid, 4 Unknown, 0 Unchecked, 19.5s Time] [2021-11-25 19:01:50,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77277 states. [2021-11-25 19:01:54,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77277 to 77193. [2021-11-25 19:01:54,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77193 states, 45534 states have (on average 1.2459041595291431) internal successors, (56731), 47276 states have internal predecessors, (56731), 24815 states have call successors, (24815), 6898 states have call predecessors, (24815), 6834 states have return successors, (29648), 23941 states have call predecessors, (29648), 24813 states have call successors, (29648) [2021-11-25 19:01:55,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77193 states to 77193 states and 111194 transitions. [2021-11-25 19:01:55,072 INFO L78 Accepts]: Start accepts. Automaton has 77193 states and 111194 transitions. Word has length 139 [2021-11-25 19:01:55,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:01:55,073 INFO L470 AbstractCegarLoop]: Abstraction has 77193 states and 111194 transitions. [2021-11-25 19:01:55,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-25 19:01:55,073 INFO L276 IsEmpty]: Start isEmpty. Operand 77193 states and 111194 transitions. [2021-11-25 19:01:55,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-25 19:01:55,083 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:55,083 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:55,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-25 19:01:55,084 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:01:55,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:55,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1011338689, now seen corresponding path program 1 times [2021-11-25 19:01:55,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:55,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223295152] [2021-11-25 19:01:55,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:55,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:55,444 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 19:01:55,445 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:55,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223295152] [2021-11-25 19:01:55,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223295152] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:55,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:55,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:01:55,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889532406] [2021-11-25 19:01:55,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:55,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:01:55,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:55,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:01:55,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:01:55,447 INFO L87 Difference]: Start difference. First operand 77193 states and 111194 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-25 19:01:58,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:02:00,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:02:06,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:02:10,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:02:12,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:02:17,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:17,269 INFO L93 Difference]: Finished difference Result 77209 states and 111205 transitions. [2021-11-25 19:02:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:02:17,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 129 [2021-11-25 19:02:17,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:17,612 INFO L225 Difference]: With dead ends: 77209 [2021-11-25 19:02:17,613 INFO L226 Difference]: Without dead ends: 77207 [2021-11-25 19:02:17,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:02:17,644 INFO L933 BasicCegarLoop]: 6976 mSDtfsCounter, 6082 mSDsluCounter, 12518 mSDsCounter, 0 mSdLazyCounter, 2207 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6086 SdHoareTripleChecker+Valid, 18120 SdHoareTripleChecker+Invalid, 2212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2207 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:17,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6086 Valid, 18120 Invalid, 2212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2207 Invalid, 5 Unknown, 0 Unchecked, 19.0s Time] [2021-11-25 19:02:17,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77207 states. [2021-11-25 19:02:21,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77207 to 77191. [2021-11-25 19:02:21,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77191 states, 45533 states have (on average 1.245887598005842) internal successors, (56729), 47274 states have internal predecessors, (56729), 24815 states have call successors, (24815), 6898 states have call predecessors, (24815), 6834 states have return successors, (29648), 23941 states have call predecessors, (29648), 24813 states have call successors, (29648) [2021-11-25 19:02:22,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77191 states to 77191 states and 111192 transitions. [2021-11-25 19:02:22,260 INFO L78 Accepts]: Start accepts. Automaton has 77191 states and 111192 transitions. Word has length 129 [2021-11-25 19:02:22,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:22,261 INFO L470 AbstractCegarLoop]: Abstraction has 77191 states and 111192 transitions. [2021-11-25 19:02:22,261 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-25 19:02:22,261 INFO L276 IsEmpty]: Start isEmpty. Operand 77191 states and 111192 transitions. [2021-11-25 19:02:22,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-25 19:02:22,264 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:22,265 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:22,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-25 19:02:22,265 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 19:02:22,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:22,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1683477845, now seen corresponding path program 1 times [2021-11-25 19:02:22,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:22,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841535470] [2021-11-25 19:02:22,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:22,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:25,513 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-25 19:02:25,513 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:25,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841535470] [2021-11-25 19:02:25,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841535470] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:02:25,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415784747] [2021-11-25 19:02:25,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:25,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:02:25,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:02:25,515 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:02:25,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b1b17a-2b5b-4d8b-bd82-eaee50c19cf0/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process