./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs --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 b20f48966671566afed85875d0d94a6951898c9c2a2bdf71b35576aeaa27c268 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:14:12,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:14:12,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:14:12,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:14:12,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:14:12,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:14:12,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:14:12,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:14:12,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:14:12,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:14:12,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:14:12,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:14:12,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:14:12,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:14:12,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:14:12,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:14:12,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:14:12,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:14:12,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:14:12,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:14:12,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:14:12,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:14:12,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:14:12,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:14:12,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:14:12,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:14:12,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:14:12,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:14:12,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:14:12,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:14:12,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:14:12,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:14:12,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:14:12,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:14:12,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:14:12,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:14:12,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:14:12,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:14:12,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:14:12,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:14:12,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:14:12,714 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:14:12,762 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:14:12,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:14:12,764 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:14:12,764 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:14:12,765 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:14:12,765 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:14:12,765 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:14:12,765 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:14:12,772 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:14:12,772 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:14:12,773 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:14:12,774 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:14:12,774 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:14:12,774 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:14:12,774 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:14:12,775 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:14:12,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:14:12,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:14:12,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:14:12,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:14:12,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:14:12,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:14:12,777 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:14:12,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:14:12,777 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:14:12,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:14:12,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:14:12,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:14:12,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:14:12,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:14:12,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:14:12,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:14:12,780 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:14:12,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:14:12,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:14:12,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:14:12,780 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:14:12,781 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_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b20f48966671566afed85875d0d94a6951898c9c2a2bdf71b35576aeaa27c268 [2021-11-19 14:14:13,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:14:13,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:14:13,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:14:13,117 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:14:13,118 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:14:13,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i [2021-11-19 14:14:13,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/data/47fcfb3f0/a167a2ff9d384745a4b1080c11b1ede4/FLAGd6ecdd0f4 [2021-11-19 14:14:14,395 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:14:14,396 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i [2021-11-19 14:14:14,498 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/data/47fcfb3f0/a167a2ff9d384745a4b1080c11b1ede4/FLAGd6ecdd0f4 [2021-11-19 14:14:14,638 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/data/47fcfb3f0/a167a2ff9d384745a4b1080c11b1ede4 [2021-11-19 14:14:14,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:14:14,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:14:14,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:14:14,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:14:14,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:14:14,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:14:14" (1/1) ... [2021-11-19 14:14:14,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc23c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:14, skipping insertion in model container [2021-11-19 14:14:14,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:14:14" (1/1) ... [2021-11-19 14:14:14,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:14:14,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:14:18,280 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:14:18,601 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:14:18,870 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:14:21,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580060,580073] [2021-11-19 14:14:21,520 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580205,580218] [2021-11-19 14:14:21,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580351,580364] [2021-11-19 14:14:21,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580516,580529] [2021-11-19 14:14:21,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580674,580687] [2021-11-19 14:14:21,523 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580832,580845] [2021-11-19 14:14:21,524 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580990,581003] [2021-11-19 14:14:21,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581150,581163] [2021-11-19 14:14:21,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581309,581322] [2021-11-19 14:14:21,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581448,581461] [2021-11-19 14:14:21,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581590,581603] [2021-11-19 14:14:21,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581739,581752] [2021-11-19 14:14:21,529 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581878,581891] [2021-11-19 14:14:21,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582033,582046] [2021-11-19 14:14:21,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582193,582206] [2021-11-19 14:14:21,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582344,582357] [2021-11-19 14:14:21,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582495,582508] [2021-11-19 14:14:21,534 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582647,582660] [2021-11-19 14:14:21,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582796,582809] [2021-11-19 14:14:21,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582944,582957] [2021-11-19 14:14:21,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583101,583114] [2021-11-19 14:14:21,539 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583250,583263] [2021-11-19 14:14:21,540 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583406,583419] [2021-11-19 14:14:21,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583559,583572] [2021-11-19 14:14:21,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583705,583718] [2021-11-19 14:14:21,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583848,583861] [2021-11-19 14:14:21,543 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584000,584013] [2021-11-19 14:14:21,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584146,584159] [2021-11-19 14:14:21,544 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584291,584304] [2021-11-19 14:14:21,545 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584445,584458] [2021-11-19 14:14:21,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584596,584609] [2021-11-19 14:14:21,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584751,584764] [2021-11-19 14:14:21,547 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584903,584916] [2021-11-19 14:14:21,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585058,585071] [2021-11-19 14:14:21,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585222,585235] [2021-11-19 14:14:21,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585378,585391] [2021-11-19 14:14:21,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585542,585555] [2021-11-19 14:14:21,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585684,585697] [2021-11-19 14:14:21,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585842,585855] [2021-11-19 14:14:21,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586009,586022] [2021-11-19 14:14:21,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586168,586181] [2021-11-19 14:14:21,552 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586327,586340] [2021-11-19 14:14:21,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586476,586489] [2021-11-19 14:14:21,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586623,586636] [2021-11-19 14:14:21,554 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586762,586775] [2021-11-19 14:14:21,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586925,586938] [2021-11-19 14:14:21,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587091,587104] [2021-11-19 14:14:21,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587255,587268] [2021-11-19 14:14:21,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587420,587433] [2021-11-19 14:14:21,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587585,587598] [2021-11-19 14:14:21,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587751,587764] [2021-11-19 14:14:21,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587916,587929] [2021-11-19 14:14:21,560 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588083,588096] [2021-11-19 14:14:21,560 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588243,588256] [2021-11-19 14:14:21,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588405,588418] [2021-11-19 14:14:21,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588564,588577] [2021-11-19 14:14:21,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588710,588723] [2021-11-19 14:14:21,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588853,588866] [2021-11-19 14:14:21,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588997,589010] [2021-11-19 14:14:21,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589140,589153] [2021-11-19 14:14:21,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589284,589297] [2021-11-19 14:14:21,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589425,589438] [2021-11-19 14:14:21,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589563,589576] [2021-11-19 14:14:21,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589721,589734] [2021-11-19 14:14:21,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589880,589893] [2021-11-19 14:14:21,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590036,590049] [2021-11-19 14:14:21,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590185,590198] [2021-11-19 14:14:21,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590337,590350] [2021-11-19 14:14:21,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590488,590501] [2021-11-19 14:14:21,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590637,590650] [2021-11-19 14:14:21,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590789,590802] [2021-11-19 14:14:21,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590937,590950] [2021-11-19 14:14:21,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591090,591103] [2021-11-19 14:14:21,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591241,591254] [2021-11-19 14:14:21,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591391,591404] [2021-11-19 14:14:21,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591538,591551] [2021-11-19 14:14:21,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591689,591702] [2021-11-19 14:14:21,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591840,591853] [2021-11-19 14:14:21,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591988,592001] [2021-11-19 14:14:21,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592154,592167] [2021-11-19 14:14:21,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592323,592336] [2021-11-19 14:14:21,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592490,592503] [2021-11-19 14:14:21,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592658,592671] [2021-11-19 14:14:21,585 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592808,592821] [2021-11-19 14:14:21,585 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592955,592968] [2021-11-19 14:14:21,586 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593116,593129] [2021-11-19 14:14:21,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593286,593299] [2021-11-19 14:14:21,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593448,593461] [2021-11-19 14:14:21,612 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:14:21,655 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 14:14:21,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d4a400e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:21, skipping insertion in model container [2021-11-19 14:14:21,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:14:21,657 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:14:21,663 INFO L158 Benchmark]: Toolchain (without parser) took 7013.95ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 94.2MB in the beginning and 106.9MB in the end (delta: -12.7MB). Peak memory consumption was 98.9MB. Max. memory is 16.1GB. [2021-11-19 14:14:21,664 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:14:21,665 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7011.30ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 94.2MB in the beginning and 106.9MB in the end (delta: -12.7MB). Peak memory consumption was 98.9MB. Max. memory is 16.1GB. [2021-11-19 14:14:21,666 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7011.30ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 94.2MB in the beginning and 106.9MB in the end (delta: -12.7MB). Peak memory consumption was 98.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6561]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs --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 b20f48966671566afed85875d0d94a6951898c9c2a2bdf71b35576aeaa27c268 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:14:24,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:14:24,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:14:24,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:14:24,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:14:24,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:14:24,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:14:24,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:14:24,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:14:24,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:14:24,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:14:24,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:14:24,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:14:24,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:14:24,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:14:24,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:14:24,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:14:24,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:14:24,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:14:24,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:14:24,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:14:24,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:14:24,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:14:24,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:14:24,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:14:24,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:14:24,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:14:24,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:14:24,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:14:24,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:14:24,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:14:24,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:14:24,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:14:24,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:14:24,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:14:24,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:14:24,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:14:24,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:14:24,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:14:24,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:14:24,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:14:24,113 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:14:24,161 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:14:24,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:14:24,163 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:14:24,163 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:14:24,164 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:14:24,164 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:14:24,164 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:14:24,164 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:14:24,165 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:14:24,165 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:14:24,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:14:24,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:14:24,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:14:24,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:14:24,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:14:24,169 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:14:24,169 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:14:24,169 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:14:24,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:14:24,170 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:14:24,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:14:24,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:14:24,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:14:24,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:14:24,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:14:24,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:14:24,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:14:24,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:14:24,172 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:14:24,173 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:14:24,173 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:14:24,173 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:14:24,173 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:14:24,174 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b20f48966671566afed85875d0d94a6951898c9c2a2bdf71b35576aeaa27c268 [2021-11-19 14:14:24,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:14:24,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:14:24,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:14:24,564 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:14:24,565 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:14:24,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i [2021-11-19 14:14:24,639 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/data/4833e17e4/432f4366421d498cbb74292f22a6a65d/FLAG9474c106e [2021-11-19 14:14:25,765 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:14:25,765 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i [2021-11-19 14:14:25,838 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/data/4833e17e4/432f4366421d498cbb74292f22a6a65d/FLAG9474c106e [2021-11-19 14:14:25,990 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/data/4833e17e4/432f4366421d498cbb74292f22a6a65d [2021-11-19 14:14:25,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:14:25,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:14:25,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:14:25,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:14:25,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:14:25,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:14:25" (1/1) ... [2021-11-19 14:14:26,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4328fcf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:26, skipping insertion in model container [2021-11-19 14:14:26,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:14:25" (1/1) ... [2021-11-19 14:14:26,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:14:26,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:14:32,558 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580060,580073] [2021-11-19 14:14:32,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580205,580218] [2021-11-19 14:14:32,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580351,580364] [2021-11-19 14:14:32,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580516,580529] [2021-11-19 14:14:32,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580674,580687] [2021-11-19 14:14:32,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580832,580845] [2021-11-19 14:14:32,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580990,581003] [2021-11-19 14:14:32,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581150,581163] [2021-11-19 14:14:32,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581309,581322] [2021-11-19 14:14:32,585 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581448,581461] [2021-11-19 14:14:32,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581590,581603] [2021-11-19 14:14:32,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581739,581752] [2021-11-19 14:14:32,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581878,581891] [2021-11-19 14:14:32,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582033,582046] [2021-11-19 14:14:32,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582193,582206] [2021-11-19 14:14:32,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582344,582357] [2021-11-19 14:14:32,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582495,582508] [2021-11-19 14:14:32,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582647,582660] [2021-11-19 14:14:32,598 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582796,582809] [2021-11-19 14:14:32,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582944,582957] [2021-11-19 14:14:32,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583101,583114] [2021-11-19 14:14:32,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583250,583263] [2021-11-19 14:14:32,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583406,583419] [2021-11-19 14:14:32,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583559,583572] [2021-11-19 14:14:32,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583705,583718] [2021-11-19 14:14:32,608 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583848,583861] [2021-11-19 14:14:32,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584000,584013] [2021-11-19 14:14:32,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584146,584159] [2021-11-19 14:14:32,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584291,584304] [2021-11-19 14:14:32,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584445,584458] [2021-11-19 14:14:32,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584596,584609] [2021-11-19 14:14:32,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584751,584764] [2021-11-19 14:14:32,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584903,584916] [2021-11-19 14:14:32,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585058,585071] [2021-11-19 14:14:32,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585222,585235] [2021-11-19 14:14:32,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585378,585391] [2021-11-19 14:14:32,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585542,585555] [2021-11-19 14:14:32,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585684,585697] [2021-11-19 14:14:32,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585842,585855] [2021-11-19 14:14:32,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586009,586022] [2021-11-19 14:14:32,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586168,586181] [2021-11-19 14:14:32,623 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586327,586340] [2021-11-19 14:14:32,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586476,586489] [2021-11-19 14:14:32,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586623,586636] [2021-11-19 14:14:32,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586762,586775] [2021-11-19 14:14:32,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586925,586938] [2021-11-19 14:14:32,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587091,587104] [2021-11-19 14:14:32,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587255,587268] [2021-11-19 14:14:32,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587420,587433] [2021-11-19 14:14:32,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587585,587598] [2021-11-19 14:14:32,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587751,587764] [2021-11-19 14:14:32,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587916,587929] [2021-11-19 14:14:32,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588083,588096] [2021-11-19 14:14:32,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588243,588256] [2021-11-19 14:14:32,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588405,588418] [2021-11-19 14:14:32,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588564,588577] [2021-11-19 14:14:32,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588710,588723] [2021-11-19 14:14:32,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588853,588866] [2021-11-19 14:14:32,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588997,589010] [2021-11-19 14:14:32,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589140,589153] [2021-11-19 14:14:32,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589284,589297] [2021-11-19 14:14:32,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589425,589438] [2021-11-19 14:14:32,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589563,589576] [2021-11-19 14:14:32,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589721,589734] [2021-11-19 14:14:32,664 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589880,589893] [2021-11-19 14:14:32,665 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590036,590049] [2021-11-19 14:14:32,666 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590185,590198] [2021-11-19 14:14:32,666 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590337,590350] [2021-11-19 14:14:32,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590488,590501] [2021-11-19 14:14:32,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590637,590650] [2021-11-19 14:14:32,667 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590789,590802] [2021-11-19 14:14:32,668 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590937,590950] [2021-11-19 14:14:32,668 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591090,591103] [2021-11-19 14:14:32,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591241,591254] [2021-11-19 14:14:32,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591391,591404] [2021-11-19 14:14:32,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591538,591551] [2021-11-19 14:14:32,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591689,591702] [2021-11-19 14:14:32,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591840,591853] [2021-11-19 14:14:32,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591988,592001] [2021-11-19 14:14:32,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592154,592167] [2021-11-19 14:14:32,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592323,592336] [2021-11-19 14:14:32,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592490,592503] [2021-11-19 14:14:32,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592658,592671] [2021-11-19 14:14:32,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592808,592821] [2021-11-19 14:14:32,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592955,592968] [2021-11-19 14:14:32,674 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593116,593129] [2021-11-19 14:14:32,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593286,593299] [2021-11-19 14:14:32,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593448,593461] [2021-11-19 14:14:32,695 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:14:32,727 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:14:33,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:14:33,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580060,580073] [2021-11-19 14:14:33,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580205,580218] [2021-11-19 14:14:33,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580351,580364] [2021-11-19 14:14:33,632 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580516,580529] [2021-11-19 14:14:33,633 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580674,580687] [2021-11-19 14:14:33,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580832,580845] [2021-11-19 14:14:33,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580990,581003] [2021-11-19 14:14:33,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581150,581163] [2021-11-19 14:14:33,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581309,581322] [2021-11-19 14:14:33,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581448,581461] [2021-11-19 14:14:33,637 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581590,581603] [2021-11-19 14:14:33,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581739,581752] [2021-11-19 14:14:33,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581878,581891] [2021-11-19 14:14:33,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582033,582046] [2021-11-19 14:14:33,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582193,582206] [2021-11-19 14:14:33,641 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582344,582357] [2021-11-19 14:14:33,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582495,582508] [2021-11-19 14:14:33,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582647,582660] [2021-11-19 14:14:33,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582796,582809] [2021-11-19 14:14:33,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582944,582957] [2021-11-19 14:14:33,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583101,583114] [2021-11-19 14:14:33,645 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583250,583263] [2021-11-19 14:14:33,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583406,583419] [2021-11-19 14:14:33,647 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583559,583572] [2021-11-19 14:14:33,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583705,583718] [2021-11-19 14:14:33,648 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583848,583861] [2021-11-19 14:14:33,649 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584000,584013] [2021-11-19 14:14:33,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584146,584159] [2021-11-19 14:14:33,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584291,584304] [2021-11-19 14:14:33,651 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584445,584458] [2021-11-19 14:14:33,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584596,584609] [2021-11-19 14:14:33,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584751,584764] [2021-11-19 14:14:33,653 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584903,584916] [2021-11-19 14:14:33,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585058,585071] [2021-11-19 14:14:33,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585222,585235] [2021-11-19 14:14:33,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585378,585391] [2021-11-19 14:14:33,655 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585542,585555] [2021-11-19 14:14:33,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585684,585697] [2021-11-19 14:14:33,658 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585842,585855] [2021-11-19 14:14:33,658 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586009,586022] [2021-11-19 14:14:33,659 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586168,586181] [2021-11-19 14:14:33,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586327,586340] [2021-11-19 14:14:33,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586476,586489] [2021-11-19 14:14:33,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586623,586636] [2021-11-19 14:14:33,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586762,586775] [2021-11-19 14:14:33,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586925,586938] [2021-11-19 14:14:33,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587091,587104] [2021-11-19 14:14:33,663 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587255,587268] [2021-11-19 14:14:33,668 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587420,587433] [2021-11-19 14:14:33,669 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587585,587598] [2021-11-19 14:14:33,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587751,587764] [2021-11-19 14:14:33,670 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587916,587929] [2021-11-19 14:14:33,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588083,588096] [2021-11-19 14:14:33,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588243,588256] [2021-11-19 14:14:33,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588405,588418] [2021-11-19 14:14:33,672 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588564,588577] [2021-11-19 14:14:33,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588710,588723] [2021-11-19 14:14:33,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588853,588866] [2021-11-19 14:14:33,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588997,589010] [2021-11-19 14:14:33,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589140,589153] [2021-11-19 14:14:33,679 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589284,589297] [2021-11-19 14:14:33,680 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589425,589438] [2021-11-19 14:14:33,680 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589563,589576] [2021-11-19 14:14:33,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589721,589734] [2021-11-19 14:14:33,682 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589880,589893] [2021-11-19 14:14:33,683 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590036,590049] [2021-11-19 14:14:33,683 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590185,590198] [2021-11-19 14:14:33,684 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590337,590350] [2021-11-19 14:14:33,684 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590488,590501] [2021-11-19 14:14:33,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590637,590650] [2021-11-19 14:14:33,693 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590789,590802] [2021-11-19 14:14:33,693 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590937,590950] [2021-11-19 14:14:33,694 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591090,591103] [2021-11-19 14:14:33,695 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591241,591254] [2021-11-19 14:14:33,695 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591391,591404] [2021-11-19 14:14:33,697 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591538,591551] [2021-11-19 14:14:33,697 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591689,591702] [2021-11-19 14:14:33,698 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591840,591853] [2021-11-19 14:14:33,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591988,592001] [2021-11-19 14:14:33,701 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592154,592167] [2021-11-19 14:14:33,703 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592323,592336] [2021-11-19 14:14:33,704 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592490,592503] [2021-11-19 14:14:33,705 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592658,592671] [2021-11-19 14:14:33,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592808,592821] [2021-11-19 14:14:33,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592955,592968] [2021-11-19 14:14:33,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593116,593129] [2021-11-19 14:14:33,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593286,593299] [2021-11-19 14:14:33,708 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593448,593461] [2021-11-19 14:14:33,715 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:14:33,745 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:14:34,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580060,580073] [2021-11-19 14:14:34,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580205,580218] [2021-11-19 14:14:34,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580351,580364] [2021-11-19 14:14:34,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580516,580529] [2021-11-19 14:14:34,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580674,580687] [2021-11-19 14:14:34,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580832,580845] [2021-11-19 14:14:34,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[580990,581003] [2021-11-19 14:14:34,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581150,581163] [2021-11-19 14:14:34,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581309,581322] [2021-11-19 14:14:34,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581448,581461] [2021-11-19 14:14:34,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581590,581603] [2021-11-19 14:14:34,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581739,581752] [2021-11-19 14:14:34,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[581878,581891] [2021-11-19 14:14:34,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582033,582046] [2021-11-19 14:14:34,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582193,582206] [2021-11-19 14:14:34,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582344,582357] [2021-11-19 14:14:34,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582495,582508] [2021-11-19 14:14:34,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582647,582660] [2021-11-19 14:14:34,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582796,582809] [2021-11-19 14:14:34,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[582944,582957] [2021-11-19 14:14:34,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583101,583114] [2021-11-19 14:14:34,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583250,583263] [2021-11-19 14:14:34,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583406,583419] [2021-11-19 14:14:34,598 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583559,583572] [2021-11-19 14:14:34,598 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583705,583718] [2021-11-19 14:14:34,598 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[583848,583861] [2021-11-19 14:14:34,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584000,584013] [2021-11-19 14:14:34,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584146,584159] [2021-11-19 14:14:34,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584291,584304] [2021-11-19 14:14:34,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584445,584458] [2021-11-19 14:14:34,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584596,584609] [2021-11-19 14:14:34,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584751,584764] [2021-11-19 14:14:34,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[584903,584916] [2021-11-19 14:14:34,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585058,585071] [2021-11-19 14:14:34,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585222,585235] [2021-11-19 14:14:34,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585378,585391] [2021-11-19 14:14:34,603 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585542,585555] [2021-11-19 14:14:34,603 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585684,585697] [2021-11-19 14:14:34,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[585842,585855] [2021-11-19 14:14:34,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586009,586022] [2021-11-19 14:14:34,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586168,586181] [2021-11-19 14:14:34,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586327,586340] [2021-11-19 14:14:34,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586476,586489] [2021-11-19 14:14:34,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586623,586636] [2021-11-19 14:14:34,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586762,586775] [2021-11-19 14:14:34,606 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[586925,586938] [2021-11-19 14:14:34,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587091,587104] [2021-11-19 14:14:34,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587255,587268] [2021-11-19 14:14:34,607 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587420,587433] [2021-11-19 14:14:34,608 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587585,587598] [2021-11-19 14:14:34,608 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587751,587764] [2021-11-19 14:14:34,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[587916,587929] [2021-11-19 14:14:34,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588083,588096] [2021-11-19 14:14:34,609 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588243,588256] [2021-11-19 14:14:34,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588405,588418] [2021-11-19 14:14:34,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588564,588577] [2021-11-19 14:14:34,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588710,588723] [2021-11-19 14:14:34,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588853,588866] [2021-11-19 14:14:34,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[588997,589010] [2021-11-19 14:14:34,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589140,589153] [2021-11-19 14:14:34,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589284,589297] [2021-11-19 14:14:34,612 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589425,589438] [2021-11-19 14:14:34,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589563,589576] [2021-11-19 14:14:34,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589721,589734] [2021-11-19 14:14:34,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[589880,589893] [2021-11-19 14:14:34,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590036,590049] [2021-11-19 14:14:34,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590185,590198] [2021-11-19 14:14:34,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590337,590350] [2021-11-19 14:14:34,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590488,590501] [2021-11-19 14:14:34,615 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590637,590650] [2021-11-19 14:14:34,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590789,590802] [2021-11-19 14:14:34,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[590937,590950] [2021-11-19 14:14:34,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591090,591103] [2021-11-19 14:14:34,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591241,591254] [2021-11-19 14:14:34,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591391,591404] [2021-11-19 14:14:34,617 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591538,591551] [2021-11-19 14:14:34,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591689,591702] [2021-11-19 14:14:34,618 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591840,591853] [2021-11-19 14:14:34,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[591988,592001] [2021-11-19 14:14:34,619 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592154,592167] [2021-11-19 14:14:34,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592323,592336] [2021-11-19 14:14:34,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592490,592503] [2021-11-19 14:14:34,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592658,592671] [2021-11-19 14:14:34,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592808,592821] [2021-11-19 14:14:34,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[592955,592968] [2021-11-19 14:14:34,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593116,593129] [2021-11-19 14:14:34,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593286,593299] [2021-11-19 14:14:34,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--skd.ko.cil.i[593448,593461] [2021-11-19 14:14:34,628 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:14:34,902 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:14:34,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:34 WrapperNode [2021-11-19 14:14:34,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:14:34,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:14:34,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:14:34,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:14:34,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:34" (1/1) ... [2021-11-19 14:14:35,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:34" (1/1) ... [2021-11-19 14:14:35,617 INFO L137 Inliner]: procedures = 772, calls = 7229, calls flagged for inlining = 371, calls inlined = 290, statements flattened = 13411 [2021-11-19 14:14:35,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:14:35,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:14:35,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:14:35,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:14:35,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:34" (1/1) ... [2021-11-19 14:14:35,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:34" (1/1) ... [2021-11-19 14:14:35,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:34" (1/1) ... [2021-11-19 14:14:35,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:34" (1/1) ... [2021-11-19 14:14:36,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:34" (1/1) ... [2021-11-19 14:14:36,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:34" (1/1) ... [2021-11-19 14:14:36,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:34" (1/1) ... [2021-11-19 14:14:36,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:14:36,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:14:36,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:14:36,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:14:36,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:34" (1/1) ... [2021-11-19 14:14:36,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:14:36,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:14:36,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:14:36,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:14:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_pcie_error_reporting [2021-11-19 14:14:36,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_pcie_error_reporting [2021-11-19 14:14:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-19 14:14:36,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-19 14:14:36,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-19 14:14:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-19 14:14:36,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-19 14:14:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 14:14:36,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 14:14:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_bit [2021-11-19 14:14:36,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_bit [2021-11-19 14:14:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 14:14:36,367 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 14:14:36,367 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2021-11-19 14:14:36,368 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2021-11-19 14:14:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-19 14:14:36,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-19 14:14:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-19 14:14:36,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-19 14:14:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure skd_isr_fwstate [2021-11-19 14:14:36,368 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_isr_fwstate [2021-11-19 14:14:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_skreq [2021-11-19 14:14:36,368 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_skreq [2021-11-19 14:14:36,368 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 14:14:36,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 14:14:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-19 14:14:36,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-19 14:14:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_110 [2021-11-19 14:14:36,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_110 [2021-11-19 14:14:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 14:14:36,369 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 14:14:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-11-19 14:14:36,369 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-11-19 14:14:36,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:14:36,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:14:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2021-11-19 14:14:36,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2021-11-19 14:14:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-19 14:14:36,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-19 14:14:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-19 14:14:36,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-19 14:14:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2021-11-19 14:14:36,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2021-11-19 14:14:36,370 INFO L130 BoogieDeclarations]: Found specification of procedure skd_log_check_status [2021-11-19 14:14:36,370 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_log_check_status [2021-11-19 14:14:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:14:36,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:14:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-19 14:14:36,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-19 14:14:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-19 14:14:36,371 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-19 14:14:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2021-11-19 14:14:36,371 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2021-11-19 14:14:36,371 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 14:14:36,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 14:14:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 14:14:36,372 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 14:14:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-19 14:14:36,372 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-19 14:14:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2021-11-19 14:14:36,372 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2021-11-19 14:14:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-19 14:14:36,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-19 14:14:36,373 INFO L130 BoogieDeclarations]: Found specification of procedure skd_isr [2021-11-19 14:14:36,373 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_isr [2021-11-19 14:14:36,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:14:36,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-19 14:14:36,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-19 14:14:36,373 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_request [2021-11-19 14:14:36,373 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_request [2021-11-19 14:14:36,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:14:36,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:14:36,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:14:36,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:14:36,374 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2021-11-19 14:14:36,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2021-11-19 14:14:36,374 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 14:14:36,374 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-19 14:14:36,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-19 14:14:36,374 INFO L130 BoogieDeclarations]: Found specification of procedure skd_end_request [2021-11-19 14:14:36,374 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_end_request [2021-11-19 14:14:36,374 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 14:14:36,375 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 14:14:36,375 INFO L130 BoogieDeclarations]: Found specification of procedure blk_peek_request [2021-11-19 14:14:36,375 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_peek_request [2021-11-19 14:14:36,375 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-19 14:14:36,375 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-19 14:14:36,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:14:36,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:14:36,375 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2021-11-19 14:14:36,375 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2021-11-19 14:14:36,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:14:36,376 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-19 14:14:36,376 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-19 14:14:36,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_skd_device [2021-11-19 14:14:36,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_skd_device [2021-11-19 14:14:36,376 INFO L130 BoogieDeclarations]: Found specification of procedure skd_start_device [2021-11-19 14:14:36,376 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_start_device [2021-11-19 14:14:36,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 14:14:36,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 14:14:36,376 INFO L130 BoogieDeclarations]: Found specification of procedure skd_postop_sg_list [2021-11-19 14:14:36,376 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_postop_sg_list [2021-11-19 14:14:36,376 INFO L130 BoogieDeclarations]: Found specification of procedure skd_request_fn [2021-11-19 14:14:36,377 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_request_fn [2021-11-19 14:14:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2021-11-19 14:14:36,380 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2021-11-19 14:14:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-11-19 14:14:36,381 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-11-19 14:14:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure skd_log_skreq [2021-11-19 14:14:36,381 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_log_skreq [2021-11-19 14:14:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:14:36,381 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:14:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-19 14:14:36,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-19 14:14:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-19 14:14:36,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-19 14:14:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-19 14:14:36,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-19 14:14:36,382 INFO L130 BoogieDeclarations]: Found specification of procedure skd_isr_completion_posted [2021-11-19 14:14:36,382 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_isr_completion_posted [2021-11-19 14:14:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-19 14:14:36,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-19 14:14:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:14:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 14:14:36,383 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 14:14:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-19 14:14:36,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-19 14:14:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:14:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_write64 [2021-11-19 14:14:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_write64 [2021-11-19 14:14:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-19 14:14:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 14:14:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 14:14:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure skd_soft_reset [2021-11-19 14:14:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_soft_reset [2021-11-19 14:14:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_write32 [2021-11-19 14:14:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_write32 [2021-11-19 14:14:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2021-11-19 14:14:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2021-11-19 14:14:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 14:14:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 14:14:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-19 14:14:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-19 14:14:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-19 14:14:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-19 14:14:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_free_irq [2021-11-19 14:14:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_free_irq [2021-11-19 14:14:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:14:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:14:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:14:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:14:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_internal_skspcl [2021-11-19 14:14:36,386 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_internal_skspcl [2021-11-19 14:14:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_special [2021-11-19 14:14:36,386 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_special [2021-11-19 14:14:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:14:36,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:14:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2021-11-19 14:14:36,386 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2021-11-19 14:14:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-19 14:14:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-19 14:14:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-19 14:14:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-19 14:14:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-19 14:14:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-19 14:14:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure skd_name [2021-11-19 14:14:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_name [2021-11-19 14:14:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 14:14:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 14:14:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure devm_free_irq [2021-11-19 14:14:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_free_irq [2021-11-19 14:14:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-19 14:14:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-19 14:14:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure sg_virt [2021-11-19 14:14:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_virt [2021-11-19 14:14:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure skd_stop_device [2021-11-19 14:14:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_stop_device [2021-11-19 14:14:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure skd_acquire_irq [2021-11-19 14:14:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_acquire_irq [2021-11-19 14:14:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_98 [2021-11-19 14:14:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_98 [2021-11-19 14:14:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-19 14:14:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-19 14:14:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-19 14:14:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-19 14:14:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:14:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:14:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure skd_quiesce_dev [2021-11-19 14:14:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_quiesce_dev [2021-11-19 14:14:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-19 14:14:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-19 14:14:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:14:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:14:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure skd_cons_sg_list [2021-11-19 14:14:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_cons_sg_list [2021-11-19 14:14:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-19 14:14:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-19 14:14:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-19 14:14:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-19 14:14:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-19 14:14:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-19 14:14:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_remove [2021-11-19 14:14:36,391 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_remove [2021-11-19 14:14:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_disappeared [2021-11-19 14:14:36,391 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_disappeared [2021-11-19 14:14:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-11-19 14:14:36,391 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-11-19 14:14:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:14:36,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:14:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:14:36,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:14:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-19 14:14:36,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-19 14:14:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:14:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:14:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:14:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:14:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2021-11-19 14:14:36,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2021-11-19 14:14:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-19 14:14:36,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-19 14:14:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-19 14:14:36,392 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-19 14:14:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-19 14:14:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-19 14:14:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-19 14:14:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-19 14:14:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:14:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:14:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-19 14:14:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-19 14:14:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 14:14:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 14:14:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-19 14:14:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-19 14:14:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-19 14:14:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-19 14:14:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_irq [2021-11-19 14:14:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_irq [2021-11-19 14:14:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure skd_free_sg_list [2021-11-19 14:14:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_free_sg_list [2021-11-19 14:14:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure skd_destruct [2021-11-19 14:14:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_destruct [2021-11-19 14:14:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_special_fitmsg [2021-11-19 14:14:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_special_fitmsg [2021-11-19 14:14:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_resume [2021-11-19 14:14:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_resume [2021-11-19 14:14:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:14:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:14:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:14:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_skd_device [2021-11-19 14:14:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_skd_device [2021-11-19 14:14:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_msix [2021-11-19 14:14:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_msix [2021-11-19 14:14:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure skd_recover_requests [2021-11-19 14:14:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_recover_requests [2021-11-19 14:14:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2021-11-19 14:14:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2021-11-19 14:14:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-19 14:14:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-19 14:14:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-19 14:14:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-19 14:14:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-19 14:14:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-19 14:14:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-19 14:14:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-19 14:14:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:14:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure skd_isr_msg_from_dev [2021-11-19 14:14:36,397 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_isr_msg_from_dev [2021-11-19 14:14:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-11-19 14:14:36,397 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-11-19 14:14:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-19 14:14:36,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-19 14:14:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2021-11-19 14:14:36,397 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2021-11-19 14:14:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:14:36,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:14:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:14:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:14:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:14:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure skd_skdev_state_to_str [2021-11-19 14:14:36,398 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_skdev_state_to_str [2021-11-19 14:14:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:14:36,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:14:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 14:14:36,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 14:14:36,398 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_fitmsg [2021-11-19 14:14:36,399 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_fitmsg [2021-11-19 14:14:36,399 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_sectors [2021-11-19 14:14:36,399 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_sectors [2021-11-19 14:14:36,399 INFO L130 BoogieDeclarations]: Found specification of procedure skd_disable_interrupts [2021-11-19 14:14:36,399 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_disable_interrupts [2021-11-19 14:14:36,399 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_fault [2021-11-19 14:14:36,399 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_fault [2021-11-19 14:14:36,399 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2021-11-19 14:14:36,399 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2021-11-19 14:14:36,399 INFO L130 BoogieDeclarations]: Found specification of procedure skd_sg_io_copy_buffer [2021-11-19 14:14:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_sg_io_copy_buffer [2021-11-19 14:14:36,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-19 14:14:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-19 14:14:36,400 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-19 14:14:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-19 14:14:36,400 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-19 14:14:36,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-19 14:14:36,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:14:36,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:14:36,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:14:36,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:14:36,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:14:36,401 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-19 14:14:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-19 14:14:36,401 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-19 14:14:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-19 14:14:36,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-19 14:14:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-19 14:14:36,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:14:36,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:14:36,401 INFO L130 BoogieDeclarations]: Found specification of procedure skd_start_timer [2021-11-19 14:14:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_start_timer [2021-11-19 14:14:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure blk_requeue_request [2021-11-19 14:14:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_requeue_request [2021-11-19 14:14:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-19 14:14:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-19 14:14:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_read32 [2021-11-19 14:14:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_read32 [2021-11-19 14:14:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-19 14:14:36,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-19 14:14:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 14:14:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 14:14:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-19 14:14:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-19 14:14:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_state_to_str [2021-11-19 14:14:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_state_to_str [2021-11-19 14:14:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-19 14:14:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-19 14:14:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-19 14:14:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-19 14:14:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-11-19 14:14:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-11-19 14:14:36,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:14:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:14:36,404 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-19 14:14:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-19 14:14:36,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-19 14:14:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-19 14:14:36,404 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 14:14:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 14:14:36,404 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-19 14:14:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-19 14:14:36,405 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-19 14:14:36,405 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-19 14:14:36,405 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_shutdown [2021-11-19 14:14:36,405 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_shutdown [2021-11-19 14:14:36,405 INFO L130 BoogieDeclarations]: Found specification of procedure skd_log_skdev [2021-11-19 14:14:36,405 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_log_skdev [2021-11-19 14:14:37,785 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:14:37,788 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:14:37,917 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:15:43,495 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6358: assume 0bv64 != __copy_to_user_nocheck_~tmp___1~7#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2021-11-19 14:15:43,496 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6358: assume !(0bv64 != __copy_to_user_nocheck_~tmp___1~7#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2021-11-19 14:15:43,496 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6321: SUMMARY for call __copy_to_user_nocheck_#t~ret279#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2021-11-19 14:15:43,496 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6317: assume 16bv32 == __copy_to_user_nocheck_~size#1; [2021-11-19 14:15:43,496 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6317: assume !(16bv32 == __copy_to_user_nocheck_~size#1); [2021-11-19 14:15:43,496 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6342: __copy_to_user_nocheck_~tmp___0~11#1 := __copy_to_user_nocheck_#t~ret277#1;havoc __copy_to_user_nocheck_#t~ret277#1; [2021-11-19 14:15:43,497 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6313: assume 10bv32 == __copy_to_user_nocheck_~size#1; [2021-11-19 14:15:43,497 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6313: assume !(10bv32 == __copy_to_user_nocheck_~size#1); [2021-11-19 14:15:43,497 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6309: assume 8bv32 == __copy_to_user_nocheck_~size#1; [2021-11-19 14:15:43,497 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6309: assume !(8bv32 == __copy_to_user_nocheck_~size#1); [2021-11-19 14:15:43,497 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6305: assume 4bv32 == __copy_to_user_nocheck_~size#1; [2021-11-19 14:15:43,498 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6305: assume !(4bv32 == __copy_to_user_nocheck_~size#1); [2021-11-19 14:15:43,498 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6301: assume 2bv32 == __copy_to_user_nocheck_~size#1; [2021-11-19 14:15:43,498 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6301: assume !(2bv32 == __copy_to_user_nocheck_~size#1); [2021-11-19 14:15:43,498 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6318: SUMMARY for call __copy_to_user_nocheck_#t~ret278#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_to_user_nocheck_~ret~3#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-11-19 14:15:43,498 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6314: SUMMARY for call __copy_to_user_nocheck_#t~ret277#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_to_user_nocheck_~ret~3#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-11-19 14:15:43,499 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1bv32 == __copy_to_user_nocheck_~size#1; [2021-11-19 14:15:43,499 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6310: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2021-11-19 14:15:43,499 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6306: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2021-11-19 14:15:43,499 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1bv32 == __copy_to_user_nocheck_~size#1); [2021-11-19 14:15:43,499 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6302: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2021-11-19 14:15:43,499 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6368: __copy_to_user_nocheck_~tmp___2~2#1 := __copy_to_user_nocheck_#t~ret279#1;havoc __copy_to_user_nocheck_#t~ret279#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~tmp___2~2#1[32:0]; [2021-11-19 14:15:43,500 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6298: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2021-11-19 14:15:43,500 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6356: __copy_to_user_nocheck_~tmp___1~7#1 := __copy_to_user_nocheck_#t~ret278#1;havoc __copy_to_user_nocheck_#t~ret278#1; [2021-11-19 14:15:43,500 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6344: assume 0bv64 != __copy_to_user_nocheck_~tmp___0~11#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2021-11-19 14:15:43,500 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6344: assume !(0bv64 != __copy_to_user_nocheck_~tmp___0~11#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2021-11-19 14:16:10,997 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6208: assume 16bv32 == __copy_from_user_nocheck_~size#1; [2021-11-19 14:16:10,997 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6208: assume !(16bv32 == __copy_from_user_nocheck_~size#1); [2021-11-19 14:16:10,998 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6204: assume 10bv32 == __copy_from_user_nocheck_~size#1; [2021-11-19 14:16:10,998 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6204: assume !(10bv32 == __copy_from_user_nocheck_~size#1); [2021-11-19 14:16:10,998 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6200: assume 8bv32 == __copy_from_user_nocheck_~size#1; [2021-11-19 14:16:10,998 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6200: assume !(8bv32 == __copy_from_user_nocheck_~size#1); [2021-11-19 14:16:10,998 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6196: assume 4bv32 == __copy_from_user_nocheck_~size#1; [2021-11-19 14:16:10,998 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6196: assume !(4bv32 == __copy_from_user_nocheck_~size#1); [2021-11-19 14:16:10,999 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6192: assume 2bv32 == __copy_from_user_nocheck_~size#1; [2021-11-19 14:16:10,999 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6192: assume !(2bv32 == __copy_from_user_nocheck_~size#1); [2021-11-19 14:16:10,999 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6238: __copy_from_user_nocheck_~tmp___0~10#1 := __copy_from_user_nocheck_#t~ret272#1;havoc __copy_from_user_nocheck_#t~ret272#1; [2021-11-19 14:16:10,999 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6209: SUMMARY for call __copy_from_user_nocheck_#t~ret273#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_from_user_nocheck_~ret~2#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-11-19 14:16:10,999 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6205: SUMMARY for call __copy_from_user_nocheck_#t~ret272#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_from_user_nocheck_~ret~2#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2021-11-19 14:16:11,000 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6201: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2021-11-19 14:16:11,000 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6197: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2021-11-19 14:16:11,000 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6255: assume 0bv64 != __copy_from_user_nocheck_~tmp___1~6#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2021-11-19 14:16:11,000 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6255: assume !(0bv64 != __copy_from_user_nocheck_~tmp___1~6#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2021-11-19 14:16:11,000 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6193: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2021-11-19 14:16:11,001 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6189: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2021-11-19 14:16:11,001 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1bv32 == __copy_from_user_nocheck_~size#1; [2021-11-19 14:16:11,001 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1bv32 == __copy_from_user_nocheck_~size#1); [2021-11-19 14:16:11,001 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6240: assume 0bv64 != __copy_from_user_nocheck_~tmp___0~10#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2021-11-19 14:16:11,001 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6240: assume !(0bv64 != __copy_from_user_nocheck_~tmp___0~10#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2021-11-19 14:16:11,001 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6265: __copy_from_user_nocheck_~tmp___2~1#1 := __copy_from_user_nocheck_#t~ret274#1;havoc __copy_from_user_nocheck_#t~ret274#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~tmp___2~1#1[32:0]; [2021-11-19 14:16:11,002 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6253: __copy_from_user_nocheck_~tmp___1~6#1 := __copy_from_user_nocheck_#t~ret273#1;havoc __copy_from_user_nocheck_#t~ret273#1; [2021-11-19 14:16:11,002 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6212: SUMMARY for call __copy_from_user_nocheck_#t~ret274#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2021-11-19 14:17:18,359 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:17:18,390 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:17:18,390 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-19 14:17:18,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:17:18 BoogieIcfgContainer [2021-11-19 14:17:18,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:17:18,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:17:18,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:17:18,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:17:18,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:14:25" (1/3) ... [2021-11-19 14:17:18,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f13dfad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:17:18, skipping insertion in model container [2021-11-19 14:17:18,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:14:34" (2/3) ... [2021-11-19 14:17:18,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f13dfad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:17:18, skipping insertion in model container [2021-11-19 14:17:18,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:17:18" (3/3) ... [2021-11-19 14:17:18,405 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--skd.ko.cil.i [2021-11-19 14:17:18,411 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:17:18,411 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2021-11-19 14:17:18,578 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:17:18,584 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 [2021-11-19 14:17:18,584 INFO L340 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2021-11-19 14:17:18,670 INFO L276 IsEmpty]: Start isEmpty. Operand has 3667 states, 2574 states have (on average 1.3407148407148408) internal successors, (3451), 2692 states have internal predecessors, (3451), 899 states have call successors, (899), 161 states have call predecessors, (899), 160 states have return successors, (889), 855 states have call predecessors, (889), 889 states have call successors, (889) [2021-11-19 14:17:18,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-19 14:17:18,678 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:17:18,679 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 14:17:18,679 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 32 more)] === [2021-11-19 14:17:18,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:17:18,684 INFO L85 PathProgramCache]: Analyzing trace with hash 285279628, now seen corresponding path program 1 times [2021-11-19 14:17:18,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:17:18,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [630493441] [2021-11-19 14:17:18,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:17:18,703 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:17:18,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:17:18,708 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:17:18,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:17:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:17:20,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 3689 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:17:20,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:17:21,979 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 14:17:21,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:17:22,629 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:17:22,630 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:17:22,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [630493441] [2021-11-19 14:17:22,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [630493441] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:17:22,631 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:17:22,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-19 14:17:22,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479546337] [2021-11-19 14:17:22,633 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:17:22,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:17:22,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:17:22,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:17:22,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:17:22,692 INFO L87 Difference]: Start difference. First operand has 3667 states, 2574 states have (on average 1.3407148407148408) internal successors, (3451), 2692 states have internal predecessors, (3451), 899 states have call successors, (899), 161 states have call predecessors, (899), 160 states have return successors, (889), 855 states have call predecessors, (889), 889 states have call successors, (889) Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-19 14:17:25,435 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:17:28,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:17:28,946 INFO L93 Difference]: Finished difference Result 10696 states and 15580 transitions. [2021-11-19 14:17:28,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:17:28,949 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), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 72 [2021-11-19 14:17:28,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:17:29,048 INFO L225 Difference]: With dead ends: 10696 [2021-11-19 14:17:29,049 INFO L226 Difference]: Without dead ends: 7007 [2021-11-19 14:17:29,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:17:29,099 INFO L933 BasicCegarLoop]: 6567 mSDtfsCounter, 7965 mSDsluCounter, 5114 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1686 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7965 SdHoareTripleChecker+Valid, 11681 SdHoareTripleChecker+Invalid, 1689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1686 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:17:29,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7965 Valid, 11681 Invalid, 1689 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1686 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2021-11-19 14:17:29,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7007 states. [2021-11-19 14:17:29,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7007 to 6790. [2021-11-19 14:17:29,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6790 states, 4785 states have (on average 1.3201671891327065) internal successors, (6317), 4972 states have internal predecessors, (6317), 1676 states have call successors, (1676), 296 states have call predecessors, (1676), 295 states have return successors, (1674), 1605 states have call predecessors, (1674), 1674 states have call successors, (1674) [2021-11-19 14:17:29,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6790 states to 6790 states and 9667 transitions. [2021-11-19 14:17:29,990 INFO L78 Accepts]: Start accepts. Automaton has 6790 states and 9667 transitions. Word has length 72 [2021-11-19 14:17:29,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:17:29,991 INFO L470 AbstractCegarLoop]: Abstraction has 6790 states and 9667 transitions. [2021-11-19 14:17:29,992 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), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-19 14:17:29,992 INFO L276 IsEmpty]: Start isEmpty. Operand 6790 states and 9667 transitions. [2021-11-19 14:17:29,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-19 14:17:29,996 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:17:29,997 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 14:17:30,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:17:30,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:17:30,219 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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 32 more)] === [2021-11-19 14:17:30,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:17:30,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1420345823, now seen corresponding path program 1 times [2021-11-19 14:17:30,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:17:30,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879041219] [2021-11-19 14:17:30,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:17:30,232 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:17:30,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:17:30,233 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:17:30,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:17:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:17:32,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 3690 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:17:32,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:17:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 14:17:33,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:17:33,560 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:17:33,561 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:17:33,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1879041219] [2021-11-19 14:17:33,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1879041219] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:17:33,561 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:17:33,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-19 14:17:33,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007875043] [2021-11-19 14:17:33,561 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:17:33,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:17:33,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:17:33,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:17:33,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:17:33,564 INFO L87 Difference]: Start difference. First operand 6790 states and 9667 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-19 14:17:36,110 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:17:39,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:17:39,619 INFO L93 Difference]: Finished difference Result 13789 states and 19549 transitions. [2021-11-19 14:17:39,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:17:39,624 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), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 73 [2021-11-19 14:17:39,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:17:39,686 INFO L225 Difference]: With dead ends: 13789 [2021-11-19 14:17:39,687 INFO L226 Difference]: Without dead ends: 7007 [2021-11-19 14:17:39,730 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:17:39,731 INFO L933 BasicCegarLoop]: 6536 mSDtfsCounter, 7915 mSDsluCounter, 5085 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1673 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7915 SdHoareTripleChecker+Valid, 11621 SdHoareTripleChecker+Invalid, 1677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1673 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:17:39,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7915 Valid, 11621 Invalid, 1677 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1673 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2021-11-19 14:17:39,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7007 states. [2021-11-19 14:17:40,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7007 to 6790. [2021-11-19 14:17:40,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6790 states, 4785 states have (on average 1.3199582027168235) internal successors, (6316), 4972 states have internal predecessors, (6316), 1676 states have call successors, (1676), 296 states have call predecessors, (1676), 295 states have return successors, (1674), 1605 states have call predecessors, (1674), 1674 states have call successors, (1674) [2021-11-19 14:17:40,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6790 states to 6790 states and 9666 transitions. [2021-11-19 14:17:40,347 INFO L78 Accepts]: Start accepts. Automaton has 6790 states and 9666 transitions. Word has length 73 [2021-11-19 14:17:40,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:17:40,348 INFO L470 AbstractCegarLoop]: Abstraction has 6790 states and 9666 transitions. [2021-11-19 14:17:40,349 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), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-19 14:17:40,349 INFO L276 IsEmpty]: Start isEmpty. Operand 6790 states and 9666 transitions. [2021-11-19 14:17:40,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-19 14:17:40,358 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:17:40,358 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 14:17:40,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:17:40,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:17:40,587 INFO L402 AbstractCegarLoop]: === Iteration 3 === 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 32 more)] === [2021-11-19 14:17:40,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:17:40,587 INFO L85 PathProgramCache]: Analyzing trace with hash -741073569, now seen corresponding path program 1 times [2021-11-19 14:17:40,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:17:40,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1125048206] [2021-11-19 14:17:40,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:17:40,596 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:17:40,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:17:40,597 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:17:40,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:17:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:17:42,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 3689 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:17:42,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:17:43,119 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 14:17:43,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:17:43,774 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:17:43,774 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:17:43,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1125048206] [2021-11-19 14:17:43,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1125048206] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:17:43,774 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:17:43,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-19 14:17:43,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375023387] [2021-11-19 14:17:43,775 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:17:43,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:17:43,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:17:43,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:17:43,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:17:43,777 INFO L87 Difference]: Start difference. First operand 6790 states and 9666 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-19 14:17:47,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:17:47,595 INFO L93 Difference]: Finished difference Result 13571 states and 19321 transitions. [2021-11-19 14:17:47,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:17:47,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 73 [2021-11-19 14:17:47,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:17:47,659 INFO L225 Difference]: With dead ends: 13571 [2021-11-19 14:17:47,659 INFO L226 Difference]: Without dead ends: 6790 [2021-11-19 14:17:47,701 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:17:47,704 INFO L933 BasicCegarLoop]: 5129 mSDtfsCounter, 8473 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1769 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8473 SdHoareTripleChecker+Valid, 5129 SdHoareTripleChecker+Invalid, 1771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1769 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:17:47,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8473 Valid, 5129 Invalid, 1771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1769 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-19 14:17:47,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6790 states. [2021-11-19 14:17:48,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6790 to 6790. [2021-11-19 14:17:48,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6790 states, 4785 states have (on average 1.3197492163009403) internal successors, (6315), 4972 states have internal predecessors, (6315), 1676 states have call successors, (1676), 296 states have call predecessors, (1676), 295 states have return successors, (1674), 1605 states have call predecessors, (1674), 1674 states have call successors, (1674) [2021-11-19 14:17:48,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6790 states to 6790 states and 9665 transitions. [2021-11-19 14:17:48,241 INFO L78 Accepts]: Start accepts. Automaton has 6790 states and 9665 transitions. Word has length 73 [2021-11-19 14:17:48,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:17:48,242 INFO L470 AbstractCegarLoop]: Abstraction has 6790 states and 9665 transitions. [2021-11-19 14:17:48,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-19 14:17:48,242 INFO L276 IsEmpty]: Start isEmpty. Operand 6790 states and 9665 transitions. [2021-11-19 14:17:48,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-19 14:17:48,246 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:17:48,248 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 14:17:48,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:17:48,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:17:48,471 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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 32 more)] === [2021-11-19 14:17:48,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:17:48,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1220501089, now seen corresponding path program 1 times [2021-11-19 14:17:48,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:17:48,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225102177] [2021-11-19 14:17:48,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:17:48,477 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:17:48,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:17:48,491 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:17:48,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:17:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:17:50,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 3688 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:17:50,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:17:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 14:17:51,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:17:51,752 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:17:51,752 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:17:51,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225102177] [2021-11-19 14:17:51,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1225102177] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:17:51,752 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:17:51,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-19 14:17:51,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570120489] [2021-11-19 14:17:51,753 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:17:51,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:17:51,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:17:51,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:17:51,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:17:51,755 INFO L87 Difference]: Start difference. First operand 6790 states and 9665 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-19 14:17:54,180 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:17:57,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:17:57,007 INFO L93 Difference]: Finished difference Result 13787 states and 19543 transitions. [2021-11-19 14:17:57,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:17:57,008 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 73 [2021-11-19 14:17:57,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:17:57,061 INFO L225 Difference]: With dead ends: 13787 [2021-11-19 14:17:57,061 INFO L226 Difference]: Without dead ends: 7007 [2021-11-19 14:17:57,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:17:57,086 INFO L933 BasicCegarLoop]: 6535 mSDtfsCounter, 7907 mSDsluCounter, 5086 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1673 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7907 SdHoareTripleChecker+Valid, 11621 SdHoareTripleChecker+Invalid, 1675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1673 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:17:57,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7907 Valid, 11621 Invalid, 1675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1673 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2021-11-19 14:17:57,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7007 states. [2021-11-19 14:17:57,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7007 to 6790. [2021-11-19 14:17:57,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6790 states, 4785 states have (on average 1.3195402298850574) internal successors, (6314), 4972 states have internal predecessors, (6314), 1676 states have call successors, (1676), 296 states have call predecessors, (1676), 295 states have return successors, (1674), 1605 states have call predecessors, (1674), 1674 states have call successors, (1674) [2021-11-19 14:17:57,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6790 states to 6790 states and 9664 transitions. [2021-11-19 14:17:57,497 INFO L78 Accepts]: Start accepts. Automaton has 6790 states and 9664 transitions. Word has length 73 [2021-11-19 14:17:57,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:17:57,498 INFO L470 AbstractCegarLoop]: Abstraction has 6790 states and 9664 transitions. [2021-11-19 14:17:57,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-19 14:17:57,498 INFO L276 IsEmpty]: Start isEmpty. Operand 6790 states and 9664 transitions. [2021-11-19 14:17:57,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-19 14:17:57,499 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:17:57,499 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 14:17:57,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:17:57,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:17:57,715 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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 32 more)] === [2021-11-19 14:17:57,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:17:57,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1422325023, now seen corresponding path program 1 times [2021-11-19 14:17:57,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:17:57,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433761830] [2021-11-19 14:17:57,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:17:57,718 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:17:57,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:17:57,719 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:17:57,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:17:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:17:59,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 3687 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:17:59,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:18:00,265 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 14:18:00,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:18:00,824 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:18:00,824 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:18:00,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [433761830] [2021-11-19 14:18:00,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [433761830] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:18:00,825 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:18:00,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-19 14:18:00,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085339657] [2021-11-19 14:18:00,825 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:18:00,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:18:00,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:18:00,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:18:00,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:18:00,828 INFO L87 Difference]: Start difference. First operand 6790 states and 9664 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-19 14:18:03,230 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:18:05,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:18:05,835 INFO L93 Difference]: Finished difference Result 13786 states and 19540 transitions. [2021-11-19 14:18:05,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:18:05,836 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), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 73 [2021-11-19 14:18:05,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:18:05,879 INFO L225 Difference]: With dead ends: 13786 [2021-11-19 14:18:05,879 INFO L226 Difference]: Without dead ends: 7007 [2021-11-19 14:18:05,904 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:18:05,905 INFO L933 BasicCegarLoop]: 6534 mSDtfsCounter, 7903 mSDsluCounter, 5086 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1673 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7903 SdHoareTripleChecker+Valid, 11620 SdHoareTripleChecker+Invalid, 1675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1673 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:18:05,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7903 Valid, 11620 Invalid, 1675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1673 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2021-11-19 14:18:05,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7007 states. [2021-11-19 14:18:06,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7007 to 6790. [2021-11-19 14:18:06,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6790 states, 4785 states have (on average 1.3193312434691744) internal successors, (6313), 4972 states have internal predecessors, (6313), 1676 states have call successors, (1676), 296 states have call predecessors, (1676), 295 states have return successors, (1674), 1605 states have call predecessors, (1674), 1674 states have call successors, (1674) [2021-11-19 14:18:06,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6790 states to 6790 states and 9663 transitions. [2021-11-19 14:18:06,309 INFO L78 Accepts]: Start accepts. Automaton has 6790 states and 9663 transitions. Word has length 73 [2021-11-19 14:18:06,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:18:06,310 INFO L470 AbstractCegarLoop]: Abstraction has 6790 states and 9663 transitions. [2021-11-19 14:18:06,310 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), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-19 14:18:06,310 INFO L276 IsEmpty]: Start isEmpty. Operand 6790 states and 9663 transitions. [2021-11-19 14:18:06,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-19 14:18:06,312 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:18:06,312 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 14:18:06,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 14:18:06,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:18:06,527 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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 32 more)] === [2021-11-19 14:18:06,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:18:06,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1983024801, now seen corresponding path program 1 times [2021-11-19 14:18:06,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:18:06,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2144006732] [2021-11-19 14:18:06,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:18:06,531 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:18:06,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:18:06,531 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:18:06,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 14:18:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:18:08,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 3686 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:18:08,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:18:09,070 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 14:18:09,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:18:09,572 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:18:09,572 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:18:09,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2144006732] [2021-11-19 14:18:09,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2144006732] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:18:09,572 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:18:09,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-19 14:18:09,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714918515] [2021-11-19 14:18:09,573 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:18:09,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:18:09,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:18:09,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:18:09,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:18:09,574 INFO L87 Difference]: Start difference. First operand 6790 states and 9663 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-19 14:18:09,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:18:09,869 INFO L93 Difference]: Finished difference Result 13568 states and 19312 transitions. [2021-11-19 14:18:09,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:18:09,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 73 [2021-11-19 14:18:09,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:18:09,902 INFO L225 Difference]: With dead ends: 13568 [2021-11-19 14:18:09,902 INFO L226 Difference]: Without dead ends: 6790 [2021-11-19 14:18:09,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:18:09,930 INFO L933 BasicCegarLoop]: 5127 mSDtfsCounter, 5116 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5116 SdHoareTripleChecker+Valid, 5127 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:18:09,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5116 Valid, 5127 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:18:09,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6790 states. [2021-11-19 14:18:10,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6790 to 6790. [2021-11-19 14:18:10,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6790 states, 4785 states have (on average 1.3191222570532914) internal successors, (6312), 4972 states have internal predecessors, (6312), 1676 states have call successors, (1676), 296 states have call predecessors, (1676), 295 states have return successors, (1674), 1605 states have call predecessors, (1674), 1674 states have call successors, (1674) [2021-11-19 14:18:10,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6790 states to 6790 states and 9662 transitions. [2021-11-19 14:18:10,464 INFO L78 Accepts]: Start accepts. Automaton has 6790 states and 9662 transitions. Word has length 73 [2021-11-19 14:18:10,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:18:10,464 INFO L470 AbstractCegarLoop]: Abstraction has 6790 states and 9662 transitions. [2021-11-19 14:18:10,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-19 14:18:10,465 INFO L276 IsEmpty]: Start isEmpty. Operand 6790 states and 9662 transitions. [2021-11-19 14:18:10,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-19 14:18:10,466 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:18:10,466 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 14:18:10,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 14:18:10,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:18:10,666 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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 32 more)] === [2021-11-19 14:18:10,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:18:10,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1878213409, now seen corresponding path program 1 times [2021-11-19 14:18:10,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:18:10,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1891796029] [2021-11-19 14:18:10,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:18:10,671 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:18:10,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:18:10,672 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:18:10,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 14:18:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:18:12,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 3685 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:18:12,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:18:13,277 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 14:18:13,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:18:13,783 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:18:13,784 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:18:13,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1891796029] [2021-11-19 14:18:13,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1891796029] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:18:13,784 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:18:13,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2021-11-19 14:18:13,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930709184] [2021-11-19 14:18:13,784 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:18:13,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:18:13,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:18:13,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:18:13,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:18:13,785 INFO L87 Difference]: Start difference. First operand 6790 states and 9662 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-19 14:18:15,861 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:18:16,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:18:16,098 INFO L93 Difference]: Finished difference Result 13784 states and 19534 transitions. [2021-11-19 14:18:16,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:18:16,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 73 [2021-11-19 14:18:16,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:18:16,227 INFO L225 Difference]: With dead ends: 13784 [2021-11-19 14:18:16,227 INFO L226 Difference]: Without dead ends: 7007 [2021-11-19 14:18:16,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:18:16,256 INFO L933 BasicCegarLoop]: 6532 mSDtfsCounter, 4785 mSDsluCounter, 10172 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4785 SdHoareTripleChecker+Valid, 16704 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:18:16,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4785 Valid, 16704 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2021-11-19 14:18:16,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7007 states. [2021-11-19 14:18:16,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7007 to 6790. [2021-11-19 14:18:16,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6790 states, 4785 states have (on average 1.3189132706374085) internal successors, (6311), 4972 states have internal predecessors, (6311), 1676 states have call successors, (1676), 296 states have call predecessors, (1676), 295 states have return successors, (1674), 1605 states have call predecessors, (1674), 1674 states have call successors, (1674) [2021-11-19 14:18:16,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6790 states to 6790 states and 9661 transitions. [2021-11-19 14:18:16,789 INFO L78 Accepts]: Start accepts. Automaton has 6790 states and 9661 transitions. Word has length 73 [2021-11-19 14:18:16,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:18:16,790 INFO L470 AbstractCegarLoop]: Abstraction has 6790 states and 9661 transitions. [2021-11-19 14:18:16,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2021-11-19 14:18:16,790 INFO L276 IsEmpty]: Start isEmpty. Operand 6790 states and 9661 transitions. [2021-11-19 14:18:16,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-19 14:18:16,791 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:18:16,791 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 14:18:16,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 14:18:17,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:18:17,018 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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 32 more)] === [2021-11-19 14:18:17,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:18:17,018 INFO L85 PathProgramCache]: Analyzing trace with hash -617296159, now seen corresponding path program 1 times [2021-11-19 14:18:17,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:18:17,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [196350839] [2021-11-19 14:18:17,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:18:17,021 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:18:17,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:18:17,022 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:18:17,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 14:18:18,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:18:18,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 3684 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:18:18,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:18:20,040 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:18:20,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:18:20,869 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:18:20,870 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:18:20,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [196350839] [2021-11-19 14:18:20,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [196350839] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:18:20,870 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:18:20,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:18:20,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152728166] [2021-11-19 14:18:20,871 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:18:20,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:18:20,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:18:20,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:18:20,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:18:20,872 INFO L87 Difference]: Start difference. First operand 6790 states and 9661 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-19 14:18:21,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:18:21,804 INFO L93 Difference]: Finished difference Result 13538 states and 19282 transitions. [2021-11-19 14:18:21,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:18:21,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 73 [2021-11-19 14:18:21,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:18:21,891 INFO L225 Difference]: With dead ends: 13538 [2021-11-19 14:18:21,891 INFO L226 Difference]: Without dead ends: 13536 [2021-11-19 14:18:21,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:18:21,903 INFO L933 BasicCegarLoop]: 6140 mSDtfsCounter, 5058 mSDsluCounter, 17368 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5060 SdHoareTripleChecker+Valid, 23508 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:18:21,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5060 Valid, 23508 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 14:18:21,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13536 states. [2021-11-19 14:18:22,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13536 to 13324. [2021-11-19 14:18:22,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13324 states, 9422 states have (on average 1.3213755041392485) internal successors, (12450), 9763 states have internal predecessors, (12450), 3298 states have call successors, (3298), 571 states have call predecessors, (3298), 570 states have return successors, (3306), 3156 states have call predecessors, (3306), 3296 states have call successors, (3306) [2021-11-19 14:18:22,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13324 states to 13324 states and 19054 transitions. [2021-11-19 14:18:22,938 INFO L78 Accepts]: Start accepts. Automaton has 13324 states and 19054 transitions. Word has length 73 [2021-11-19 14:18:22,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:18:22,939 INFO L470 AbstractCegarLoop]: Abstraction has 13324 states and 19054 transitions. [2021-11-19 14:18:22,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-19 14:18:22,939 INFO L276 IsEmpty]: Start isEmpty. Operand 13324 states and 19054 transitions. [2021-11-19 14:18:22,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-19 14:18:22,941 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:18:22,941 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-19 14:18:22,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-19 14:18:23,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:18:23,167 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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 32 more)] === [2021-11-19 14:18:23,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:18:23,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1600544614, now seen corresponding path program 1 times [2021-11-19 14:18:23,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:18:23,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [706296182] [2021-11-19 14:18:23,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:18:23,171 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:18:23,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:18:23,172 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:18:23,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 14:18:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:18:24,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 3693 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:18:24,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:18:26,069 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:18:26,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:18:26,837 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:18:26,837 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:18:26,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [706296182] [2021-11-19 14:18:26,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [706296182] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:18:26,838 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:18:26,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:18:26,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572290106] [2021-11-19 14:18:26,839 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:18:26,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:18:26,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:18:26,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:18:26,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:18:26,840 INFO L87 Difference]: Start difference. First operand 13324 states and 19054 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-19 14:18:28,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:18:28,348 INFO L93 Difference]: Finished difference Result 26586 states and 38068 transitions. [2021-11-19 14:18:28,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:18:28,349 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 79 [2021-11-19 14:18:28,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:18:28,493 INFO L225 Difference]: With dead ends: 26586 [2021-11-19 14:18:28,493 INFO L226 Difference]: Without dead ends: 26584 [2021-11-19 14:18:28,509 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:18:28,512 INFO L933 BasicCegarLoop]: 6187 mSDtfsCounter, 5055 mSDsluCounter, 17452 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5057 SdHoareTripleChecker+Valid, 23639 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:18:28,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5057 Valid, 23639 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 14:18:28,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26584 states. [2021-11-19 14:18:30,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26584 to 26357. [2021-11-19 14:18:30,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26357 states, 18648 states have (on average 1.3227691977691978) internal successors, (24667), 19301 states have internal predecessors, (24667), 6552 states have call successors, (6552), 1124 states have call predecessors, (6552), 1123 states have return successors, (6602), 6264 states have call predecessors, (6602), 6550 states have call successors, (6602) [2021-11-19 14:18:30,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26357 states to 26357 states and 37821 transitions. [2021-11-19 14:18:30,820 INFO L78 Accepts]: Start accepts. Automaton has 26357 states and 37821 transitions. Word has length 79 [2021-11-19 14:18:30,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:18:30,821 INFO L470 AbstractCegarLoop]: Abstraction has 26357 states and 37821 transitions. [2021-11-19 14:18:30,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-19 14:18:30,822 INFO L276 IsEmpty]: Start isEmpty. Operand 26357 states and 37821 transitions. [2021-11-19 14:18:30,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-19 14:18:30,823 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:18:30,824 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:18:30,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-19 14:18:31,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:18:31,047 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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 32 more)] === [2021-11-19 14:18:31,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:18:31,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1795211711, now seen corresponding path program 1 times [2021-11-19 14:18:31,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:18:31,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [6461298] [2021-11-19 14:18:31,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:18:31,051 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:18:31,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:18:31,053 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:18:31,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-19 14:18:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:18:32,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 3702 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:18:32,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:18:34,382 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:18:34,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:18:35,283 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:18:35,284 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:18:35,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [6461298] [2021-11-19 14:18:35,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [6461298] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:18:35,284 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:18:35,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:18:35,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431519049] [2021-11-19 14:18:35,285 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:18:35,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:18:35,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:18:35,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:18:35,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:18:35,287 INFO L87 Difference]: Start difference. First operand 26357 states and 37821 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-19 14:18:36,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:18:36,798 INFO L93 Difference]: Finished difference Result 40108 states and 57542 transitions. [2021-11-19 14:18:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:18:36,799 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 85 [2021-11-19 14:18:36,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:18:36,977 INFO L225 Difference]: With dead ends: 40108 [2021-11-19 14:18:36,977 INFO L226 Difference]: Without dead ends: 40106 [2021-11-19 14:18:37,006 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:18:37,007 INFO L933 BasicCegarLoop]: 6030 mSDtfsCounter, 5062 mSDsluCounter, 11108 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5064 SdHoareTripleChecker+Valid, 17138 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:18:37,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5064 Valid, 17138 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:18:37,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40106 states. [2021-11-19 14:18:39,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40106 to 39914. [2021-11-19 14:18:39,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39914 states, 28282 states have (on average 1.3227494519482357) internal successors, (37410), 29249 states have internal predecessors, (37410), 9910 states have call successors, (9910), 1689 states have call predecessors, (9910), 1688 states have return successors, (10024), 9476 states have call predecessors, (10024), 9908 states have call successors, (10024) [2021-11-19 14:18:40,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39914 states to 39914 states and 57344 transitions. [2021-11-19 14:18:40,106 INFO L78 Accepts]: Start accepts. Automaton has 39914 states and 57344 transitions. Word has length 85 [2021-11-19 14:18:40,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:18:40,106 INFO L470 AbstractCegarLoop]: Abstraction has 39914 states and 57344 transitions. [2021-11-19 14:18:40,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-19 14:18:40,106 INFO L276 IsEmpty]: Start isEmpty. Operand 39914 states and 57344 transitions. [2021-11-19 14:18:40,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-19 14:18:40,107 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:18:40,108 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:18:40,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-19 14:18:40,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:18:40,335 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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 32 more)] === [2021-11-19 14:18:40,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:18:40,335 INFO L85 PathProgramCache]: Analyzing trace with hash 79589380, now seen corresponding path program 1 times [2021-11-19 14:18:40,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:18:40,338 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443984211] [2021-11-19 14:18:40,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:18:40,339 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:18:40,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:18:40,339 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:18:40,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-19 14:18:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:18:42,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 3711 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:18:42,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:18:43,515 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:18:43,515 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:18:44,437 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:18:44,437 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:18:44,437 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1443984211] [2021-11-19 14:18:44,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1443984211] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:18:44,437 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:18:44,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:18:44,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797009936] [2021-11-19 14:18:44,438 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:18:44,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:18:44,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:18:44,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:18:44,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:18:44,441 INFO L87 Difference]: Start difference. First operand 39914 states and 57344 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-19 14:18:46,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:18:46,210 INFO L93 Difference]: Finished difference Result 39914 states and 57344 transitions. [2021-11-19 14:18:46,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:18:46,210 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 91 [2021-11-19 14:18:46,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:18:46,489 INFO L225 Difference]: With dead ends: 39914 [2021-11-19 14:18:46,489 INFO L226 Difference]: Without dead ends: 39912 [2021-11-19 14:18:46,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:18:46,508 INFO L933 BasicCegarLoop]: 5123 mSDtfsCounter, 5049 mSDsluCounter, 10242 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5051 SdHoareTripleChecker+Valid, 15365 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:18:46,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5051 Valid, 15365 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:18:46,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39912 states. [2021-11-19 14:18:48,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39912 to 39912. [2021-11-19 14:18:48,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39912 states, 28281 states have (on average 1.322725504755843) internal successors, (37408), 29247 states have internal predecessors, (37408), 9910 states have call successors, (9910), 1689 states have call predecessors, (9910), 1688 states have return successors, (10024), 9476 states have call predecessors, (10024), 9908 states have call successors, (10024) [2021-11-19 14:18:48,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39912 states to 39912 states and 57342 transitions. [2021-11-19 14:18:48,942 INFO L78 Accepts]: Start accepts. Automaton has 39912 states and 57342 transitions. Word has length 91 [2021-11-19 14:18:48,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:18:48,942 INFO L470 AbstractCegarLoop]: Abstraction has 39912 states and 57342 transitions. [2021-11-19 14:18:48,943 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-19 14:18:48,943 INFO L276 IsEmpty]: Start isEmpty. Operand 39912 states and 57342 transitions. [2021-11-19 14:18:48,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-19 14:18:48,944 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:18:48,944 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:18:48,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-19 14:18:49,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:18:49,147 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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 32 more)] === [2021-11-19 14:18:49,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:18:49,147 INFO L85 PathProgramCache]: Analyzing trace with hash 288849287, now seen corresponding path program 1 times [2021-11-19 14:18:49,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:18:49,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1685266308] [2021-11-19 14:18:49,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:18:49,150 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:18:49,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:18:49,152 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:18:49,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-19 14:18:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:18:50,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 3720 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:18:50,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:18:52,587 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:18:52,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:18:53,465 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:18:53,465 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:18:53,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1685266308] [2021-11-19 14:18:53,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1685266308] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:18:53,466 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:18:53,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:18:53,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441617595] [2021-11-19 14:18:53,466 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:18:53,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:18:53,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:18:53,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:18:53,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:18:53,468 INFO L87 Difference]: Start difference. First operand 39912 states and 57342 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-19 14:18:55,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:18:55,447 INFO L93 Difference]: Finished difference Result 39912 states and 57342 transitions. [2021-11-19 14:18:55,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:18:55,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 97 [2021-11-19 14:18:55,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:18:55,624 INFO L225 Difference]: With dead ends: 39912 [2021-11-19 14:18:55,624 INFO L226 Difference]: Without dead ends: 39910 [2021-11-19 14:18:55,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:18:55,650 INFO L933 BasicCegarLoop]: 5121 mSDtfsCounter, 5041 mSDsluCounter, 10238 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5043 SdHoareTripleChecker+Valid, 15359 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:18:55,650 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5043 Valid, 15359 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:18:55,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39910 states. [2021-11-19 14:18:57,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39910 to 39910. [2021-11-19 14:18:57,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39910 states, 28280 states have (on average 1.3227015558698727) internal successors, (37406), 29245 states have internal predecessors, (37406), 9910 states have call successors, (9910), 1689 states have call predecessors, (9910), 1688 states have return successors, (10024), 9476 states have call predecessors, (10024), 9908 states have call successors, (10024) [2021-11-19 14:18:58,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39910 states to 39910 states and 57340 transitions. [2021-11-19 14:18:58,021 INFO L78 Accepts]: Start accepts. Automaton has 39910 states and 57340 transitions. Word has length 97 [2021-11-19 14:18:58,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:18:58,021 INFO L470 AbstractCegarLoop]: Abstraction has 39910 states and 57340 transitions. [2021-11-19 14:18:58,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-19 14:18:58,022 INFO L276 IsEmpty]: Start isEmpty. Operand 39910 states and 57340 transitions. [2021-11-19 14:18:58,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-19 14:18:58,024 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:18:58,024 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:18:58,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-19 14:18:58,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:18:58,245 INFO L402 AbstractCegarLoop]: === Iteration 13 === 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 32 more)] === [2021-11-19 14:18:58,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:18:58,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1837379249, now seen corresponding path program 1 times [2021-11-19 14:18:58,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:18:58,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1919778573] [2021-11-19 14:18:58,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:18:58,248 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:18:58,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:18:58,249 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:18:58,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-19 14:18:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:18:59,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 3729 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:18:59,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:19:01,685 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:19:01,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:19:02,500 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:19:02,500 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:19:02,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1919778573] [2021-11-19 14:19:02,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1919778573] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:19:02,500 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:19:02,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:19:02,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211987229] [2021-11-19 14:19:02,501 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:19:02,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:19:02,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:19:02,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:19:02,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:19:02,503 INFO L87 Difference]: Start difference. First operand 39910 states and 57340 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-19 14:19:04,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:19:04,434 INFO L93 Difference]: Finished difference Result 39910 states and 57340 transitions. [2021-11-19 14:19:04,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:19:04,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 103 [2021-11-19 14:19:04,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:19:04,557 INFO L225 Difference]: With dead ends: 39910 [2021-11-19 14:19:04,558 INFO L226 Difference]: Without dead ends: 39908 [2021-11-19 14:19:04,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:19:04,574 INFO L933 BasicCegarLoop]: 5119 mSDtfsCounter, 5033 mSDsluCounter, 10234 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5035 SdHoareTripleChecker+Valid, 15353 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:19:04,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5035 Valid, 15353 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:19:04,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39908 states. [2021-11-19 14:19:06,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39908 to 39908. [2021-11-19 14:19:06,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39908 states, 28279 states have (on average 1.3226776052901446) internal successors, (37404), 29243 states have internal predecessors, (37404), 9910 states have call successors, (9910), 1689 states have call predecessors, (9910), 1688 states have return successors, (10024), 9476 states have call predecessors, (10024), 9908 states have call successors, (10024) [2021-11-19 14:19:06,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39908 states to 39908 states and 57338 transitions. [2021-11-19 14:19:06,947 INFO L78 Accepts]: Start accepts. Automaton has 39908 states and 57338 transitions. Word has length 103 [2021-11-19 14:19:06,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:19:06,948 INFO L470 AbstractCegarLoop]: Abstraction has 39908 states and 57338 transitions. [2021-11-19 14:19:06,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-19 14:19:06,948 INFO L276 IsEmpty]: Start isEmpty. Operand 39908 states and 57338 transitions. [2021-11-19 14:19:06,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-19 14:19:06,950 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:19:06,950 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:19:06,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-19 14:19:07,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:19:07,154 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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 32 more)] === [2021-11-19 14:19:07,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:19:07,155 INFO L85 PathProgramCache]: Analyzing trace with hash -481077553, now seen corresponding path program 1 times [2021-11-19 14:19:07,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:19:07,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [490727620] [2021-11-19 14:19:07,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:19:07,158 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:19:07,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:19:07,159 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:19:07,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-19 14:19:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:19:08,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 3738 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:19:08,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:19:10,937 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:19:10,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:19:11,882 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:19:11,882 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:19:11,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [490727620] [2021-11-19 14:19:11,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [490727620] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:19:11,882 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:19:11,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:19:11,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662095379] [2021-11-19 14:19:11,883 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:19:11,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:19:11,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:19:11,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:19:11,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:19:11,884 INFO L87 Difference]: Start difference. First operand 39908 states and 57338 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-19 14:19:13,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:19:13,959 INFO L93 Difference]: Finished difference Result 39908 states and 57338 transitions. [2021-11-19 14:19:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:19:13,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 109 [2021-11-19 14:19:13,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:19:14,096 INFO L225 Difference]: With dead ends: 39908 [2021-11-19 14:19:14,096 INFO L226 Difference]: Without dead ends: 39906 [2021-11-19 14:19:14,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:19:14,115 INFO L933 BasicCegarLoop]: 5117 mSDtfsCounter, 5028 mSDsluCounter, 5115 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5030 SdHoareTripleChecker+Valid, 10232 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:19:14,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5030 Valid, 10232 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:19:14,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39906 states. [2021-11-19 14:19:16,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39906 to 39906. [2021-11-19 14:19:16,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39906 states, 28278 states have (on average 1.3226536530164792) internal successors, (37402), 29241 states have internal predecessors, (37402), 9910 states have call successors, (9910), 1689 states have call predecessors, (9910), 1688 states have return successors, (10024), 9476 states have call predecessors, (10024), 9908 states have call successors, (10024) [2021-11-19 14:19:16,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39906 states to 39906 states and 57336 transitions. [2021-11-19 14:19:16,567 INFO L78 Accepts]: Start accepts. Automaton has 39906 states and 57336 transitions. Word has length 109 [2021-11-19 14:19:16,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:19:16,568 INFO L470 AbstractCegarLoop]: Abstraction has 39906 states and 57336 transitions. [2021-11-19 14:19:16,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-19 14:19:16,568 INFO L276 IsEmpty]: Start isEmpty. Operand 39906 states and 57336 transitions. [2021-11-19 14:19:16,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-19 14:19:16,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:19:16,570 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:19:16,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-19 14:19:16,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:19:16,771 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-19 14:19:16,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:19:16,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1632884704, now seen corresponding path program 1 times [2021-11-19 14:19:16,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:19:16,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [734247835] [2021-11-19 14:19:16,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:19:16,775 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:19:16,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:19:16,776 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:19:16,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-19 14:19:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:19:18,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 3894 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-19 14:19:18,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:19:22,410 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-19 14:19:22,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:19:27,245 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 12 proven. 36 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-19 14:19:27,246 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:19:27,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [734247835] [2021-11-19 14:19:27,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [734247835] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 14:19:27,246 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 14:19:27,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [10] total 20 [2021-11-19 14:19:27,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504738124] [2021-11-19 14:19:27,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:19:27,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 14:19:27,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:19:27,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 14:19:27,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2021-11-19 14:19:27,249 INFO L87 Difference]: Start difference. First operand 39906 states and 57336 transitions. Second operand has 13 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 5 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (17), 6 states have call predecessors, (17), 5 states have call successors, (17) [2021-11-19 14:19:37,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:19:37,825 INFO L93 Difference]: Finished difference Result 80473 states and 115707 transitions. [2021-11-19 14:19:37,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 14:19:37,826 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 5 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (17), 6 states have call predecessors, (17), 5 states have call successors, (17) Word has length 130 [2021-11-19 14:19:37,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:19:37,969 INFO L225 Difference]: With dead ends: 80473 [2021-11-19 14:19:37,969 INFO L226 Difference]: Without dead ends: 40593 [2021-11-19 14:19:38,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2021-11-19 14:19:38,132 INFO L933 BasicCegarLoop]: 6087 mSDtfsCounter, 960 mSDsluCounter, 47271 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1314 SdHoareTripleChecker+Valid, 53358 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:19:38,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1314 Valid, 53358 Invalid, 812 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2021-11-19 14:19:38,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40593 states. [2021-11-19 14:19:40,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40593 to 39906. [2021-11-19 14:19:40,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39906 states, 28278 states have (on average 1.322618289836622) internal successors, (37401), 29240 states have internal predecessors, (37401), 9910 states have call successors, (9910), 1689 states have call predecessors, (9910), 1688 states have return successors, (10024), 9476 states have call predecessors, (10024), 9908 states have call successors, (10024) [2021-11-19 14:19:40,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39906 states to 39906 states and 57335 transitions. [2021-11-19 14:19:40,991 INFO L78 Accepts]: Start accepts. Automaton has 39906 states and 57335 transitions. Word has length 130 [2021-11-19 14:19:40,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:19:40,991 INFO L470 AbstractCegarLoop]: Abstraction has 39906 states and 57335 transitions. [2021-11-19 14:19:40,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 6.9) internal successors, (69), 9 states have internal predecessors, (69), 5 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (17), 6 states have call predecessors, (17), 5 states have call successors, (17) [2021-11-19 14:19:40,992 INFO L276 IsEmpty]: Start isEmpty. Operand 39906 states and 57335 transitions. [2021-11-19 14:19:40,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-19 14:19:40,993 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:19:40,994 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:19:41,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-19 14:19:41,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:19:41,199 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2021-11-19 14:19:41,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:19:41,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1185487107, now seen corresponding path program 1 times [2021-11-19 14:19:41,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:19:41,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991469455] [2021-11-19 14:19:41,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:19:41,202 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:19:41,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:19:41,205 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:19:41,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-19 14:19:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:19:43,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 3905 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:19:43,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:19:43,833 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-19 14:19:43,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:19:44,391 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-19 14:19:44,391 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:19:44,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991469455] [2021-11-19 14:19:44,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [991469455] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:19:44,392 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:19:44,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:19:44,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144193931] [2021-11-19 14:19:44,392 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:19:44,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:19:44,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:19:44,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:19:44,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:19:44,393 INFO L87 Difference]: Start difference. First operand 39906 states and 57335 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-19 14:19:47,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:19:47,168 INFO L93 Difference]: Finished difference Result 79756 states and 114594 transitions. [2021-11-19 14:19:47,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:19:47,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 134 [2021-11-19 14:19:47,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:19:47,308 INFO L225 Difference]: With dead ends: 79756 [2021-11-19 14:19:47,308 INFO L226 Difference]: Without dead ends: 39880 [2021-11-19 14:19:47,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:19:47,397 INFO L933 BasicCegarLoop]: 5112 mSDtfsCounter, 5095 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5095 SdHoareTripleChecker+Valid, 5112 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:19:47,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5095 Valid, 5112 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 14:19:47,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39880 states. [2021-11-19 14:19:49,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39880 to 39880. [2021-11-19 14:19:49,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39880 states, 28253 states have (on average 1.3220542951191023) internal successors, (37352), 29214 states have internal predecessors, (37352), 9910 states have call successors, (9910), 1689 states have call predecessors, (9910), 1688 states have return successors, (10024), 9476 states have call predecessors, (10024), 9908 states have call successors, (10024) [2021-11-19 14:19:50,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39880 states to 39880 states and 57286 transitions. [2021-11-19 14:19:50,088 INFO L78 Accepts]: Start accepts. Automaton has 39880 states and 57286 transitions. Word has length 134 [2021-11-19 14:19:50,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:19:50,088 INFO L470 AbstractCegarLoop]: Abstraction has 39880 states and 57286 transitions. [2021-11-19 14:19:50,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-19 14:19:50,088 INFO L276 IsEmpty]: Start isEmpty. Operand 39880 states and 57286 transitions. [2021-11-19 14:19:50,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-19 14:19:50,090 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:19:50,090 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:19:50,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-19 14:19:50,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:19:50,291 INFO L402 AbstractCegarLoop]: === Iteration 17 === 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 32 more)] === [2021-11-19 14:19:50,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:19:50,291 INFO L85 PathProgramCache]: Analyzing trace with hash -766943770, now seen corresponding path program 1 times [2021-11-19 14:19:50,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:19:50,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481437997] [2021-11-19 14:19:50,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:19:50,294 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:19:50,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:19:50,295 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:19:50,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70cc66e9-3e4c-45a1-8b67-20286013951a/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-19 14:19:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:19:52,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 3747 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 14:19:52,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:19:54,086 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:19:54,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:19:55,021 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 14:19:55,021 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:19:55,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1481437997] [2021-11-19 14:19:55,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1481437997] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:19:55,022 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:19:55,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 5 [2021-11-19 14:19:55,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730484482] [2021-11-19 14:19:55,022 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:19:55,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:19:55,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:19:55,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:19:55,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:19:55,023 INFO L87 Difference]: Start difference. First operand 39880 states and 57286 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32)