./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b25ac84d4a20a437c31c3bd685865b0db6f54088dab7ab415bb47113c804a34a --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:01:03,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:01:03,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:01:03,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:01:03,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:01:03,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:01:03,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:01:03,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:01:03,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:01:03,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:01:03,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:01:03,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:01:03,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:01:03,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:01:03,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:01:03,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:01:03,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:01:03,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:01:03,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:01:03,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:01:03,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:01:03,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:01:03,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:01:03,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:01:03,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:01:03,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:01:03,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:01:03,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:01:03,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:01:03,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:01:03,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:01:03,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:01:03,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:01:03,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:01:03,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:01:03,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:01:03,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:01:03,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:01:03,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:01:03,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:01:03,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:01:03,509 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:01:03,541 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:01:03,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:01:03,542 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:01:03,542 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:01:03,543 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:01:03,549 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:01:03,550 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:01:03,550 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:01:03,550 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:01:03,550 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:01:03,552 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:01:03,552 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:01:03,552 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:01:03,552 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:01:03,552 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:01:03,553 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:01:03,553 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:01:03,554 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:01:03,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:01:03,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:01:03,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:01:03,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:01:03,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:01:03,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:01:03,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:01:03,557 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:01:03,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:01:03,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:01:03,560 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:01:03,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:01:03,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:01:03,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:01:03,561 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:01:03,561 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:01:03,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:01:03,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:01:03,561 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:01:03,562 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:01:03,562 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b25ac84d4a20a437c31c3bd685865b0db6f54088dab7ab415bb47113c804a34a [2021-11-25 19:01:03,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:01:03,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:01:03,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:01:03,885 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:01:03,886 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:01:03,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2021-11-25 19:01:03,963 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/bin/utaipan-eEHZpOm5b7/data/2e64ffcc2/9fd18ed68bbf4d83bb2ba857078cbc63/FLAGb34206c6d [2021-11-25 19:01:04,902 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:01:04,903 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2021-11-25 19:01:04,999 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/bin/utaipan-eEHZpOm5b7/data/2e64ffcc2/9fd18ed68bbf4d83bb2ba857078cbc63/FLAGb34206c6d [2021-11-25 19:01:05,269 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/bin/utaipan-eEHZpOm5b7/data/2e64ffcc2/9fd18ed68bbf4d83bb2ba857078cbc63 [2021-11-25 19:01:05,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:01:05,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:01:05,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:01:05,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:01:05,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:01:05,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:01:05" (1/1) ... [2021-11-25 19:01:05,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca749b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:05, skipping insertion in model container [2021-11-25 19:01:05,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:01:05" (1/1) ... [2021-11-25 19:01:05,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:01:05,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:01:13,633 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571462,571475] [2021-11-25 19:01:13,637 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571607,571620] [2021-11-25 19:01:13,637 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571753,571766] [2021-11-25 19:01:13,638 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571918,571931] [2021-11-25 19:01:13,639 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572076,572089] [2021-11-25 19:01:13,640 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572234,572247] [2021-11-25 19:01:13,640 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572392,572405] [2021-11-25 19:01:13,641 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572552,572565] [2021-11-25 19:01:13,641 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572711,572724] [2021-11-25 19:01:13,642 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572850,572863] [2021-11-25 19:01:13,647 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572992,573005] [2021-11-25 19:01:13,653 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573141,573154] [2021-11-25 19:01:13,654 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573280,573293] [2021-11-25 19:01:13,655 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573435,573448] [2021-11-25 19:01:13,655 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573595,573608] [2021-11-25 19:01:13,668 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573746,573759] [2021-11-25 19:01:13,669 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573897,573910] [2021-11-25 19:01:13,669 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574049,574062] [2021-11-25 19:01:13,670 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574198,574211] [2021-11-25 19:01:13,670 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574346,574359] [2021-11-25 19:01:13,671 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574503,574516] [2021-11-25 19:01:13,671 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574652,574665] [2021-11-25 19:01:13,672 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574808,574821] [2021-11-25 19:01:13,672 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574961,574974] [2021-11-25 19:01:13,672 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575107,575120] [2021-11-25 19:01:13,673 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575250,575263] [2021-11-25 19:01:13,673 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575402,575415] [2021-11-25 19:01:13,674 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575548,575561] [2021-11-25 19:01:13,674 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575693,575706] [2021-11-25 19:01:13,675 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575847,575860] [2021-11-25 19:01:13,675 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575998,576011] [2021-11-25 19:01:13,678 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576153,576166] [2021-11-25 19:01:13,678 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576305,576318] [2021-11-25 19:01:13,679 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576460,576473] [2021-11-25 19:01:13,679 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576624,576637] [2021-11-25 19:01:13,680 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576780,576793] [2021-11-25 19:01:13,681 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576944,576957] [2021-11-25 19:01:13,681 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577086,577099] [2021-11-25 19:01:13,683 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577244,577257] [2021-11-25 19:01:13,684 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577411,577424] [2021-11-25 19:01:13,684 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577570,577583] [2021-11-25 19:01:13,686 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577729,577742] [2021-11-25 19:01:13,687 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577878,577891] [2021-11-25 19:01:13,687 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578025,578038] [2021-11-25 19:01:13,688 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578164,578177] [2021-11-25 19:01:13,688 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578327,578340] [2021-11-25 19:01:13,690 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578493,578506] [2021-11-25 19:01:13,690 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578657,578670] [2021-11-25 19:01:13,692 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578822,578835] [2021-11-25 19:01:13,692 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578987,579000] [2021-11-25 19:01:13,692 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579153,579166] [2021-11-25 19:01:13,693 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579318,579331] [2021-11-25 19:01:13,693 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579485,579498] [2021-11-25 19:01:13,693 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579645,579658] [2021-11-25 19:01:13,694 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579807,579820] [2021-11-25 19:01:13,694 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579966,579979] [2021-11-25 19:01:13,695 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580112,580125] [2021-11-25 19:01:13,695 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580255,580268] [2021-11-25 19:01:13,696 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580399,580412] [2021-11-25 19:01:13,696 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580542,580555] [2021-11-25 19:01:13,696 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580686,580699] [2021-11-25 19:01:13,697 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580827,580840] [2021-11-25 19:01:13,697 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580965,580978] [2021-11-25 19:01:13,698 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581123,581136] [2021-11-25 19:01:13,698 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581282,581295] [2021-11-25 19:01:13,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581438,581451] [2021-11-25 19:01:13,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581587,581600] [2021-11-25 19:01:13,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581739,581752] [2021-11-25 19:01:13,700 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581890,581903] [2021-11-25 19:01:13,700 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582039,582052] [2021-11-25 19:01:13,701 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582191,582204] [2021-11-25 19:01:13,701 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582339,582352] [2021-11-25 19:01:13,701 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582492,582505] [2021-11-25 19:01:13,702 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582643,582656] [2021-11-25 19:01:13,702 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582793,582806] [2021-11-25 19:01:13,703 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582940,582953] [2021-11-25 19:01:13,703 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583091,583104] [2021-11-25 19:01:13,703 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583242,583255] [2021-11-25 19:01:13,704 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583390,583403] [2021-11-25 19:01:13,704 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583556,583569] [2021-11-25 19:01:13,705 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583725,583738] [2021-11-25 19:01:13,705 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583892,583905] [2021-11-25 19:01:13,706 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584060,584073] [2021-11-25 19:01:13,706 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584210,584223] [2021-11-25 19:01:13,706 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584357,584370] [2021-11-25 19:01:13,707 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584518,584531] [2021-11-25 19:01:13,707 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584688,584701] [2021-11-25 19:01:13,708 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584850,584863] [2021-11-25 19:01:13,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:01:13,797 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:01:14,541 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571462,571475] [2021-11-25 19:01:14,543 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571607,571620] [2021-11-25 19:01:14,547 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571753,571766] [2021-11-25 19:01:14,548 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[571918,571931] [2021-11-25 19:01:14,548 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572076,572089] [2021-11-25 19:01:14,549 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572234,572247] [2021-11-25 19:01:14,550 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572392,572405] [2021-11-25 19:01:14,550 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572552,572565] [2021-11-25 19:01:14,551 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572711,572724] [2021-11-25 19:01:14,551 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572850,572863] [2021-11-25 19:01:14,552 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[572992,573005] [2021-11-25 19:01:14,552 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573141,573154] [2021-11-25 19:01:14,553 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573280,573293] [2021-11-25 19:01:14,553 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573435,573448] [2021-11-25 19:01:14,553 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573595,573608] [2021-11-25 19:01:14,554 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573746,573759] [2021-11-25 19:01:14,554 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[573897,573910] [2021-11-25 19:01:14,554 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574049,574062] [2021-11-25 19:01:14,555 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574198,574211] [2021-11-25 19:01:14,555 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574346,574359] [2021-11-25 19:01:14,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574503,574516] [2021-11-25 19:01:14,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574652,574665] [2021-11-25 19:01:14,556 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574808,574821] [2021-11-25 19:01:14,557 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[574961,574974] [2021-11-25 19:01:14,558 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575107,575120] [2021-11-25 19:01:14,558 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575250,575263] [2021-11-25 19:01:14,559 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575402,575415] [2021-11-25 19:01:14,560 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575548,575561] [2021-11-25 19:01:14,560 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575693,575706] [2021-11-25 19:01:14,560 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575847,575860] [2021-11-25 19:01:14,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[575998,576011] [2021-11-25 19:01:14,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576153,576166] [2021-11-25 19:01:14,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576305,576318] [2021-11-25 19:01:14,563 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576460,576473] [2021-11-25 19:01:14,563 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576624,576637] [2021-11-25 19:01:14,563 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576780,576793] [2021-11-25 19:01:14,564 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[576944,576957] [2021-11-25 19:01:14,565 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577086,577099] [2021-11-25 19:01:14,565 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577244,577257] [2021-11-25 19:01:14,566 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577411,577424] [2021-11-25 19:01:14,567 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577570,577583] [2021-11-25 19:01:14,567 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577729,577742] [2021-11-25 19:01:14,568 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[577878,577891] [2021-11-25 19:01:14,568 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578025,578038] [2021-11-25 19:01:14,568 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578164,578177] [2021-11-25 19:01:14,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578327,578340] [2021-11-25 19:01:14,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578493,578506] [2021-11-25 19:01:14,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578657,578670] [2021-11-25 19:01:14,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578822,578835] [2021-11-25 19:01:14,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[578987,579000] [2021-11-25 19:01:14,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579153,579166] [2021-11-25 19:01:14,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579318,579331] [2021-11-25 19:01:14,572 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579485,579498] [2021-11-25 19:01:14,572 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579645,579658] [2021-11-25 19:01:14,573 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579807,579820] [2021-11-25 19:01:14,574 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[579966,579979] [2021-11-25 19:01:14,577 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580112,580125] [2021-11-25 19:01:14,578 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580255,580268] [2021-11-25 19:01:14,578 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580399,580412] [2021-11-25 19:01:14,579 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580542,580555] [2021-11-25 19:01:14,579 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580686,580699] [2021-11-25 19:01:14,580 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580827,580840] [2021-11-25 19:01:14,581 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[580965,580978] [2021-11-25 19:01:14,581 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581123,581136] [2021-11-25 19:01:14,581 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581282,581295] [2021-11-25 19:01:14,591 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581438,581451] [2021-11-25 19:01:14,593 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581587,581600] [2021-11-25 19:01:14,593 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581739,581752] [2021-11-25 19:01:14,593 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[581890,581903] [2021-11-25 19:01:14,594 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582039,582052] [2021-11-25 19:01:14,594 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582191,582204] [2021-11-25 19:01:14,595 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582339,582352] [2021-11-25 19:01:14,595 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582492,582505] [2021-11-25 19:01:14,596 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582643,582656] [2021-11-25 19:01:14,596 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582793,582806] [2021-11-25 19:01:14,597 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[582940,582953] [2021-11-25 19:01:14,597 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583091,583104] [2021-11-25 19:01:14,597 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583242,583255] [2021-11-25 19:01:14,599 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583390,583403] [2021-11-25 19:01:14,599 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583556,583569] [2021-11-25 19:01:14,600 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583725,583738] [2021-11-25 19:01:14,601 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[583892,583905] [2021-11-25 19:01:14,601 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584060,584073] [2021-11-25 19:01:14,602 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584210,584223] [2021-11-25 19:01:14,602 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584357,584370] [2021-11-25 19:01:14,602 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584518,584531] [2021-11-25 19:01:14,603 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584688,584701] [2021-11-25 19:01:14,603 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_64a5a83d-a73e-4024-904a-a4a3215b8bed/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--block--nvme.ko.cil.i[584850,584863] [2021-11-25 19:01:14,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:01:15,359 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:01:15,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15 WrapperNode [2021-11-25 19:01:15,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:01:15,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:01:15,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:01:15,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:01:15,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (1/1) ... [2021-11-25 19:01:15,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (1/1) ... [2021-11-25 19:01:16,011 INFO L137 Inliner]: procedures = 984, calls = 4896, calls flagged for inlining = 497, calls inlined = 414, statements flattened = 12961 [2021-11-25 19:01:16,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:01:16,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:01:16,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:01:16,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:01:16,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (1/1) ... [2021-11-25 19:01:16,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (1/1) ... [2021-11-25 19:01:16,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (1/1) ... [2021-11-25 19:01:16,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (1/1) ... [2021-11-25 19:01:16,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (1/1) ... [2021-11-25 19:01:16,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (1/1) ... [2021-11-25 19:01:16,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (1/1) ... [2021-11-25 19:01:16,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:01:16,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:01:16,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:01:16,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:01:17,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (1/1) ... [2021-11-25 19:01:17,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:01:17,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:01:17,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:01:17,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:01:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_127 [2021-11-25 19:01:17,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_127 [2021-11-25 19:01:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-25 19:01:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_unmap [2021-11-25 19:01:17,214 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_unmap [2021-11-25 19:01:17,214 INFO L130 BoogieDeclarations]: Found specification of procedure queue_kthread_work [2021-11-25 19:01:17,214 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_kthread_work [2021-11-25 19:01:17,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_request_queue [2021-11-25 19:01:17,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_request_queue [2021-11-25 19:01:17,214 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_inf_exc_page [2021-11-25 19:01:17,214 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_inf_exc_page [2021-11-25 19:01:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_cq [2021-11-25 19:01:17,215 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_cq [2021-11-25 19:01:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 19:01:17,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 19:01:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2021-11-25 19:01:17,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2021-11-25 19:01:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_setup_prps [2021-11-25 19:01:17,216 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_setup_prps [2021-11-25 19:01:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 19:01:17,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 19:01:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 19:01:17,216 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 19:01:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2021-11-25 19:01:17,217 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2021-11-25 19:01:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_suspend [2021-11-25 19:01:17,217 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_suspend [2021-11-25 19:01:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_copy_to_user [2021-11-25 19:01:17,217 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_copy_to_user [2021-11-25 19:01:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_release_instance [2021-11-25 19:01:17,218 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_release_instance [2021-11-25 19:01:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 19:01:17,218 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 19:01:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2021-11-25 19:01:17,230 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2021-11-25 19:01:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_cmd [2021-11-25 19:01:17,231 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_cmd [2021-11-25 19:01:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_resume [2021-11-25 19:01:17,231 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_resume [2021-11-25 19:01:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_start [2021-11-25 19:01:17,231 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_start [2021-11-25 19:01:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 19:01:17,232 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 19:01:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2021-11-25 19:01:17,232 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2021-11-25 19:01:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure blk_integrity_unregister [2021-11-25 19:01:17,232 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_integrity_unregister [2021-11-25 19:01:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 19:01:17,232 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 19:01:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dif_remap [2021-11-25 19:01:17,233 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dif_remap [2021-11-25 19:01:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-25 19:01:17,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-25 19:01:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_identify [2021-11-25 19:01:17,233 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_identify [2021-11-25 19:01:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 19:01:17,234 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 19:01:17,234 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_ioctl [2021-11-25 19:01:17,234 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_ioctl [2021-11-25 19:01:17,234 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 19:01:17,234 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 19:01:17,234 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2021-11-25 19:01:17,235 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2021-11-25 19:01:17,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2021-11-25 19:01:17,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2021-11-25 19:01:17,235 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2021-11-25 19:01:17,235 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2021-11-25 19:01:17,235 INFO L130 BoogieDeclarations]: Found specification of procedure db_bar_size [2021-11-25 19:01:17,235 INFO L138 BoogieDeclarations]: Found implementation of procedure db_bar_size [2021-11-25 19:01:17,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 19:01:17,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 19:01:17,236 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_process_cq [2021-11-25 19:01:17,236 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_process_cq [2021-11-25 19:01:17,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 19:01:17,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 19:01:17,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:01:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 19:01:17,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 19:01:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 19:01:17,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 19:01:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_free_queues [2021-11-25 19:01:17,237 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_free_queues [2021-11-25 19:01:17,237 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2021-11-25 19:01:17,238 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2021-11-25 19:01:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure queue_request_irq [2021-11-25 19:01:17,238 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_request_irq [2021-11-25 19:01:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_tag_set [2021-11-25 19:01:17,238 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_alloc_tag_set [2021-11-25 19:01:17,238 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 19:01:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 19:01:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-25 19:01:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-25 19:01:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-11-25 19:01:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-11-25 19:01:17,239 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc_node [2021-11-25 19:01:17,239 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc_node [2021-11-25 19:01:17,240 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-25 19:01:17,240 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-25 19:01:17,240 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_init_queue [2021-11-25 19:01:17,240 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_init_queue [2021-11-25 19:01:17,240 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2021-11-25 19:01:17,240 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2021-11-25 19:01:17,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 19:01:17,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 19:01:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get_unless_zero [2021-11-25 19:01:17,241 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get_unless_zero [2021-11-25 19:01:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2021-11-25 19:01:17,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2021-11-25 19:01:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:01:17,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-25 19:01:17,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-11-25 19:01:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-25 19:01:17,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2021-11-25 19:01:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-25 19:01:17,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-25 19:01:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:01:17,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 19:01:17,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 19:01:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:01:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2021-11-25 19:01:17,243 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2021-11-25 19:01:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 19:01:17,243 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_del_queue_end [2021-11-25 19:01:17,243 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_del_queue_end [2021-11-25 19:01:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-25 19:01:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-25 19:01:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_control_page [2021-11-25 19:01:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_control_page [2021-11-25 19:01:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2021-11-25 19:01:17,244 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2021-11-25 19:01:17,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_threaded_irq [2021-11-25 19:01:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_threaded_irq [2021-11-25 19:01:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2021-11-25 19:01:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2021-11-25 19:01:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_list_remove [2021-11-25 19:01:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_list_remove [2021-11-25 19:01:17,245 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 19:01:17,245 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 19:01:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_unmap_user_pages [2021-11-25 19:01:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_unmap_user_pages [2021-11-25 19:01:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_clear_queue [2021-11-25 19:01:17,246 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_clear_queue [2021-11-25 19:01:17,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:01:17,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:01:17,259 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_cmd_size [2021-11-25 19:01:17,259 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_cmd_size [2021-11-25 19:01:17,259 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-25 19:01:17,259 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-25 19:01:17,259 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_wait_ready [2021-11-25 19:01:17,259 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_wait_ready [2021-11-25 19:01:17,259 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_revalidate_disk [2021-11-25 19:01:17,260 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_revalidate_disk [2021-11-25 19:01:17,260 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 19:01:17,260 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 19:01:17,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 19:01:17,260 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_info [2021-11-25 19:01:17,260 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_info [2021-11-25 19:01:17,260 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-25 19:01:17,260 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-25 19:01:17,260 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_irq_hints [2021-11-25 19:01:17,261 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_irq_hints [2021-11-25 19:01:17,261 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-25 19:01:17,261 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-25 19:01:17,261 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_sg_attrs [2021-11-25 19:01:17,261 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_sg_attrs [2021-11-25 19:01:17,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 19:01:17,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 19:01:17,261 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-25 19:01:17,261 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-25 19:01:17,261 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_freeze_queue_start [2021-11-25 19:01:17,262 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_freeze_queue_start [2021-11-25 19:01:17,262 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_init_queue [2021-11-25 19:01:17,262 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_init_queue [2021-11-25 19:01:17,262 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_io [2021-11-25 19:01:17,262 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_io [2021-11-25 19:01:17,262 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2021-11-25 19:01:17,262 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2021-11-25 19:01:17,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:01:17,262 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:01:17,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-25 19:01:17,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2021-11-25 19:01:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-25 19:01:17,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-25 19:01:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_list_lock [2021-11-25 19:01:17,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_dev_list_lock [2021-11-25 19:01:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-25 19:01:17,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-25 19:01:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-25 19:01:17,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-25 19:01:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 19:01:17,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 19:01:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_node [2021-11-25 19:01:17,264 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_node [2021-11-25 19:01:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:01:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 19:01:17,264 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 19:01:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_remove [2021-11-25 19:01:17,264 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_remove [2021-11-25 19:01:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 19:01:17,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 19:01:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-11-25 19:01:17,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2021-11-25 19:01:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_rq_to_pdu [2021-11-25 19:01:17,265 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_rq_to_pdu [2021-11-25 19:01:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 19:01:17,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 19:01:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:01:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-25 19:01:17,266 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-25 19:01:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2021-11-25 19:01:17,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2021-11-25 19:01:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_dev_list_lock [2021-11-25 19:01:17,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_dev_list_lock [2021-11-25 19:01:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_nvme_queue [2021-11-25 19:01:17,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_q_lock_of_nvme_queue [2021-11-25 19:01:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 19:01:17,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 19:01:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_request [2021-11-25 19:01:17,267 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_request [2021-11-25 19:01:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_admin_cmd [2021-11-25 19:01:17,267 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_admin_cmd [2021-11-25 19:01:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 19:01:17,267 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 19:01:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 19:01:17,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 19:01:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-25 19:01:17,267 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-25 19:01:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_copy_from_user [2021-11-25 19:01:17,268 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_copy_from_user [2021-11-25 19:01:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 19:01:17,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 19:01:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-25 19:01:17,268 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-25 19:01:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 19:01:17,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 19:01:17,268 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 19:01:17,268 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 19:01:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:01:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_kick_requeue_list [2021-11-25 19:01:17,269 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_kick_requeue_list [2021-11-25 19:01:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 19:01:17,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 19:01:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_affinity_hint [2021-11-25 19:01:17,269 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_affinity_hint [2021-11-25 19:01:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_worker_fn [2021-11-25 19:01:17,269 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2021-11-25 19:01:17,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2021-11-25 19:01:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_disable_queue [2021-11-25 19:01:17,270 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_disable_queue [2021-11-25 19:01:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure iod_list [2021-11-25 19:01:17,270 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_list [2021-11-25 19:01:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_shutdown [2021-11-25 19:01:17,270 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_shutdown [2021-11-25 19:01:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_126 [2021-11-25 19:01:17,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_126 [2021-11-25 19:01:17,270 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_alloc_iod [2021-11-25 19:01:17,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_alloc_iod [2021-11-25 19:01:17,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_q_lock_of_nvme_queue [2021-11-25 19:01:17,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_q_lock_of_nvme_queue [2021-11-25 19:01:17,271 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-25 19:01:17,271 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-25 19:01:17,271 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_hctx_request [2021-11-25 19:01:17,271 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_hctx_request [2021-11-25 19:01:17,271 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_status_code [2021-11-25 19:01:17,271 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_status_code [2021-11-25 19:01:17,271 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2021-11-25 19:01:17,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2021-11-25 19:01:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_free_iod [2021-11-25 19:01:17,272 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_free_iod [2021-11-25 19:01:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-11-25 19:01:17,272 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-11-25 19:01:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2021-11-25 19:01:17,272 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2021-11-25 19:01:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-25 19:01:17,272 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-25 19:01:17,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-11-25 19:01:17,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2021-11-25 19:01:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 19:01:17,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 19:01:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-25 19:01:17,273 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-25 19:01:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 19:01:17,273 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 19:01:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 19:01:17,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 19:01:17,273 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_complete_request [2021-11-25 19:01:17,274 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_complete_request [2021-11-25 19:01:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-25 19:01:17,274 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-25 19:01:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 19:01:17,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 19:01:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 19:01:17,274 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 19:01:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_caching_page [2021-11-25 19:01:17,274 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_caching_page [2021-11-25 19:01:17,274 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_submit_cmd [2021-11-25 19:01:17,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_submit_cmd [2021-11-25 19:01:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_sg_attrs [2021-11-25 19:01:17,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_sg_attrs [2021-11-25 19:01:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_get_features [2021-11-25 19:01:17,275 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_get_features [2021-11-25 19:01:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_unfreeze_queue [2021-11-25 19:01:17,275 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_unfreeze_queue [2021-11-25 19:01:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-25 19:01:17,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-25 19:01:17,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 19:01:17,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 19:01:17,276 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_read_capacity [2021-11-25 19:01:17,276 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_read_capacity [2021-11-25 19:01:17,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 19:01:17,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 19:01:17,276 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2021-11-25 19:01:17,276 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_logical_block_size [2021-11-25 19:01:17,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 19:01:17,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 19:01:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-25 19:01:17,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-25 19:01:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2021-11-25 19:01:17,277 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2021-11-25 19:01:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:01:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-25 19:01:17,277 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-25 19:01:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure iod_get_private [2021-11-25 19:01:17,277 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_get_private [2021-11-25 19:01:17,277 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_remove_admin [2021-11-25 19:01:17,278 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_remove_admin [2021-11-25 19:01:17,278 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_queue [2021-11-25 19:01:17,278 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_queue [2021-11-25 19:01:17,278 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-25 19:01:17,278 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-25 19:01:17,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 19:01:17,278 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_free_tag_set [2021-11-25 19:01:17,278 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_free_tag_set [2021-11-25 19:01:17,278 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-25 19:01:17,278 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-25 19:01:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 19:01:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2021-11-25 19:01:17,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2021-11-25 19:01:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure __nvme_submit_admin_cmd [2021-11-25 19:01:17,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __nvme_submit_admin_cmd [2021-11-25 19:01:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-25 19:01:17,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-25 19:01:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_fill_pow_cnd_page [2021-11-25 19:01:17,279 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_fill_pow_cnd_page [2021-11-25 19:01:17,279 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_disable_ctrl [2021-11-25 19:01:17,280 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_disable_ctrl [2021-11-25 19:01:17,280 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_empty [2021-11-25 19:01:17,280 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_empty [2021-11-25 19:01:17,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-25 19:01:17,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-25 19:01:17,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 19:01:17,280 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 19:01:17,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 19:01:17,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 19:01:17,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 19:01:17,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 19:01:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_resume [2021-11-25 19:01:17,281 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_resume [2021-11-25 19:01:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 19:01:17,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 19:01:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-11-25 19:01:17,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-11-25 19:01:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-11-25 19:01:17,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-11-25 19:01:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 19:01:17,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 19:01:17,282 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_reset_failed_dev [2021-11-25 19:01:17,282 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_reset_failed_dev [2021-11-25 19:01:17,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_request_queue [2021-11-25 19:01:17,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_request_queue [2021-11-25 19:01:17,282 INFO L130 BoogieDeclarations]: Found specification of procedure blk_integrity_rq [2021-11-25 19:01:17,282 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_integrity_rq [2021-11-25 19:01:17,282 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-11-25 19:01:17,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-11-25 19:01:17,283 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 19:01:17,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 19:01:17,283 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 19:01:17,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 19:01:17,283 INFO L130 BoogieDeclarations]: Found specification of procedure fatal_signal_pending [2021-11-25 19:01:17,283 INFO L138 BoogieDeclarations]: Found implementation of procedure fatal_signal_pending [2021-11-25 19:01:17,283 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_alloc_queue [2021-11-25 19:01:17,283 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_alloc_queue [2021-11-25 19:01:17,283 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 19:01:17,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 19:01:17,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 19:01:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 19:01:17,284 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_io_cmd [2021-11-25 19:01:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_io_cmd [2021-11-25 19:01:17,284 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 19:01:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 19:01:17,284 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-25 19:01:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-25 19:01:17,284 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-11-25 19:01:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-11-25 19:01:17,285 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-25 19:01:17,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-25 19:01:17,285 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-25 19:01:17,285 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-25 19:01:17,285 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-25 19:01:17,285 INFO L130 BoogieDeclarations]: Found specification of procedure blk_mq_alloc_request [2021-11-25 19:01:17,285 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_mq_alloc_request [2021-11-25 19:01:17,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 19:01:17,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 19:01:17,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 19:01:17,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 19:01:17,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 19:01:17,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2021-11-25 19:01:17,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2021-11-25 19:01:17,286 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_delete_sq [2021-11-25 19:01:17,286 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_delete_sq [2021-11-25 19:01:17,286 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-25 19:01:17,286 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-25 19:01:17,286 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-11-25 19:01:17,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-11-25 19:01:17,287 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2021-11-25 19:01:17,287 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2021-11-25 19:01:17,287 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2021-11-25 19:01:17,287 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2021-11-25 19:01:17,287 INFO L130 BoogieDeclarations]: Found specification of procedure __le64_to_cpup [2021-11-25 19:01:17,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __le64_to_cpup [2021-11-25 19:01:17,287 INFO L130 BoogieDeclarations]: Found specification of procedure work_busy [2021-11-25 19:01:17,287 INFO L138 BoogieDeclarations]: Found implementation of procedure work_busy [2021-11-25 19:01:17,287 INFO L130 BoogieDeclarations]: Found specification of procedure adapter_async_del_queue [2021-11-25 19:01:17,288 INFO L138 BoogieDeclarations]: Found implementation of procedure adapter_async_del_queue [2021-11-25 19:01:17,288 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-11-25 19:01:17,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-11-25 19:01:17,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:01:17,288 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2021-11-25 19:01:17,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2021-11-25 19:01:17,288 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-25 19:01:17,288 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-25 19:01:17,288 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 19:01:17,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 19:01:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-25 19:01:17,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-25 19:01:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_user_cmd [2021-11-25 19:01:17,289 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_user_cmd [2021-11-25 19:01:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 19:01:17,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 19:01:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_block_nr [2021-11-25 19:01:17,289 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_block_nr [2021-11-25 19:01:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 19:01:17,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 19:01:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 19:01:17,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 19:01:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_reset_workfn [2021-11-25 19:01:17,290 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_reset_workfn [2021-11-25 19:01:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-11-25 19:01:17,290 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-11-25 19:01:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2021-11-25 19:01:17,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2021-11-25 19:01:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-25 19:01:17,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-25 19:01:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_submit_sync_cmd [2021-11-25 19:01:17,291 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_submit_sync_cmd [2021-11-25 19:01:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_shutdown [2021-11-25 19:01:17,291 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_shutdown [2021-11-25 19:01:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 19:01:17,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 19:01:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_npages [2021-11-25 19:01:17,291 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_npages [2021-11-25 19:01:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 19:01:17,292 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 19:01:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 19:01:17,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 19:01:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_map_user_pages [2021-11-25 19:01:17,292 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_map_user_pages [2021-11-25 19:01:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_remove [2021-11-25 19:01:17,292 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_remove [2021-11-25 19:01:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 19:01:17,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 19:01:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_ioctl [2021-11-25 19:01:17,293 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_ioctl [2021-11-25 19:01:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 19:01:17,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 19:01:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_release_prp_pools [2021-11-25 19:01:17,293 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_release_prp_pools [2021-11-25 19:01:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_mode_page_create [2021-11-25 19:01:17,293 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_mode_page_create [2021-11-25 19:01:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-25 19:01:17,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-25 19:01:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-25 19:01:17,294 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-25 19:01:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_send_fw_cmd [2021-11-25 19:01:17,294 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_send_fw_cmd [2021-11-25 19:01:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2021-11-25 19:01:17,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2021-11-25 19:01:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure iod_init [2021-11-25 19:01:17,294 INFO L138 BoogieDeclarations]: Found implementation of procedure iod_init [2021-11-25 19:01:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_dev_reset [2021-11-25 19:01:17,294 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_dev_reset [2021-11-25 19:01:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-11-25 19:01:17,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-11-25 19:01:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-11-25 19:01:17,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-11-25 19:01:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-25 19:01:17,295 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-25 19:01:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2021-11-25 19:01:17,295 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2021-11-25 19:01:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_suspend_queue [2021-11-25 19:01:17,295 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_suspend_queue [2021-11-25 19:01:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 19:01:17,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 19:01:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 19:01:17,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 19:01:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_trans_completion [2021-11-25 19:01:17,296 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_trans_completion [2021-11-25 19:01:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 19:01:17,296 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 19:01:17,296 INFO L130 BoogieDeclarations]: Found specification of procedure nvme_set_features [2021-11-25 19:01:17,296 INFO L138 BoogieDeclarations]: Found implementation of procedure nvme_set_features [2021-11-25 19:01:17,297 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 19:01:17,297 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 19:01:17,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:01:17,297 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-11-25 19:01:17,297 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-11-25 19:01:17,297 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2021-11-25 19:01:17,297 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2021-11-25 19:01:17,297 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-25 19:01:19,068 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:01:19,075 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:01:34,628 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 19:01:55,636 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:01:58,635 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:01:58,635 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-25 19:01:58,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:01:58 BoogieIcfgContainer [2021-11-25 19:01:58,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:01:58,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:01:58,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:01:58,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:01:58,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:01:05" (1/3) ... [2021-11-25 19:01:58,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8271de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:01:58, skipping insertion in model container [2021-11-25 19:01:58,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (2/3) ... [2021-11-25 19:01:58,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8271de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:01:58, skipping insertion in model container [2021-11-25 19:01:58,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:01:58" (3/3) ... [2021-11-25 19:01:58,652 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--nvme.ko.cil.i [2021-11-25 19:01:58,657 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:01:58,657 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-11-25 19:01:58,717 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:01:58,723 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:01:58,724 INFO L340 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2021-11-25 19:01:58,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 3388 states, 2034 states have (on average 1.316125860373648) internal successors, (2677), 2141 states have internal predecessors, (2677), 1074 states have call successors, (1074), 249 states have call predecessors, (1074), 248 states have return successors, (1066), 1057 states have call predecessors, (1066), 1066 states have call successors, (1066) [2021-11-25 19:01:58,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 19:01:58,809 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:01:58,810 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:01:58,810 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 19:01:58,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:01:58,815 INFO L85 PathProgramCache]: Analyzing trace with hash -475537702, now seen corresponding path program 1 times [2021-11-25 19:01:58,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:01:58,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906317723] [2021-11-25 19:01:58,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:01:58,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:01:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:01:59,466 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:01:59,467 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:01:59,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906317723] [2021-11-25 19:01:59,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906317723] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:01:59,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:01:59,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:01:59,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78959241] [2021-11-25 19:01:59,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:01:59,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:01:59,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:01:59,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:01:59,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:01:59,526 INFO L87 Difference]: Start difference. First operand has 3388 states, 2034 states have (on average 1.316125860373648) internal successors, (2677), 2141 states have internal predecessors, (2677), 1074 states have call successors, (1074), 249 states have call predecessors, (1074), 248 states have return successors, (1066), 1057 states have call predecessors, (1066), 1066 states have call successors, (1066) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 19:02:02,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:02:05,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:02:07,214 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:02:09,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:02:16,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:02:21,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:21,270 INFO L93 Difference]: Finished difference Result 9912 states and 14713 transitions. [2021-11-25 19:02:21,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:02:21,272 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 38 [2021-11-25 19:02:21,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:21,380 INFO L225 Difference]: With dead ends: 9912 [2021-11-25 19:02:21,380 INFO L226 Difference]: Without dead ends: 6523 [2021-11-25 19:02:21,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:02:21,441 INFO L933 BasicCegarLoop]: 5291 mSDtfsCounter, 4490 mSDsluCounter, 10633 mSDsCounter, 0 mSdLazyCounter, 1822 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4496 SdHoareTripleChecker+Valid, 14734 SdHoareTripleChecker+Invalid, 1827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1822 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:21,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4496 Valid, 14734 Invalid, 1827 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1822 Invalid, 4 Unknown, 0 Unchecked, 20.8s Time] [2021-11-25 19:02:21,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6523 states. [2021-11-25 19:02:21,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6523 to 6333. [2021-11-25 19:02:21,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6333 states, 3813 states have (on average 1.2932074482035143) internal successors, (4931), 3988 states have internal predecessors, (4931), 2010 states have call successors, (2010), 476 states have call predecessors, (2010), 474 states have return successors, (2067), 1986 states have call predecessors, (2067), 2008 states have call successors, (2067) [2021-11-25 19:02:22,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6333 states to 6333 states and 9008 transitions. [2021-11-25 19:02:22,050 INFO L78 Accepts]: Start accepts. Automaton has 6333 states and 9008 transitions. Word has length 38 [2021-11-25 19:02:22,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:22,051 INFO L470 AbstractCegarLoop]: Abstraction has 6333 states and 9008 transitions. [2021-11-25 19:02:22,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 19:02:22,051 INFO L276 IsEmpty]: Start isEmpty. Operand 6333 states and 9008 transitions. [2021-11-25 19:02:22,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 19:02:22,062 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:22,062 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:22,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:02:22,064 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 19:02:22,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:22,068 INFO L85 PathProgramCache]: Analyzing trace with hash -162049647, now seen corresponding path program 1 times [2021-11-25 19:02:22,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:22,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714365121] [2021-11-25 19:02:22,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:22,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:22,383 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:02:22,383 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:22,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714365121] [2021-11-25 19:02:22,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714365121] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:22,384 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:22,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:02:22,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389301376] [2021-11-25 19:02:22,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:22,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:02:22,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:22,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:02:22,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:02:22,389 INFO L87 Difference]: Start difference. First operand 6333 states and 9008 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 19:02:25,492 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:02:27,708 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:02:29,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:02:32,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:02:38,439 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:02:42,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:02:42,142 INFO L93 Difference]: Finished difference Result 12535 states and 18036 transitions. [2021-11-25 19:02:42,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:02:42,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 43 [2021-11-25 19:02:42,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:02:42,261 INFO L225 Difference]: With dead ends: 12535 [2021-11-25 19:02:42,262 INFO L226 Difference]: Without dead ends: 12533 [2021-11-25 19:02:42,271 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:02:42,272 INFO L933 BasicCegarLoop]: 5267 mSDtfsCounter, 4536 mSDsluCounter, 10554 mSDsCounter, 0 mSdLazyCounter, 1812 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4549 SdHoareTripleChecker+Valid, 14638 SdHoareTripleChecker+Invalid, 1820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1812 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:02:42,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4549 Valid, 14638 Invalid, 1820 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1812 Invalid, 5 Unknown, 0 Unchecked, 19.2s Time] [2021-11-25 19:02:42,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12533 states. [2021-11-25 19:02:42,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12533 to 12337. [2021-11-25 19:02:42,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12337 states, 7432 states have (on average 1.2944025834230355) internal successors, (9620), 7748 states have internal predecessors, (9620), 3938 states have call successors, (3938), 934 states have call predecessors, (3938), 931 states have return successors, (4274), 3886 states have call predecessors, (4274), 3936 states have call successors, (4274) [2021-11-25 19:02:42,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12337 states to 12337 states and 17832 transitions. [2021-11-25 19:02:42,989 INFO L78 Accepts]: Start accepts. Automaton has 12337 states and 17832 transitions. Word has length 43 [2021-11-25 19:02:42,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:02:42,990 INFO L470 AbstractCegarLoop]: Abstraction has 12337 states and 17832 transitions. [2021-11-25 19:02:42,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-25 19:02:42,991 INFO L276 IsEmpty]: Start isEmpty. Operand 12337 states and 17832 transitions. [2021-11-25 19:02:42,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 19:02:42,996 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:02:42,997 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:02:42,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:02:42,998 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 19:02:42,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:02:42,998 INFO L85 PathProgramCache]: Analyzing trace with hash -296196049, now seen corresponding path program 1 times [2021-11-25 19:02:42,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:02:42,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789528575] [2021-11-25 19:02:42,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:02:42,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:02:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:02:43,303 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:02:43,303 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:02:43,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789528575] [2021-11-25 19:02:43,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789528575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:02:43,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:02:43,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:02:43,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393660006] [2021-11-25 19:02:43,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:02:43,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:02:43,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:02:43,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:02:43,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:02:43,305 INFO L87 Difference]: Start difference. First operand 12337 states and 17832 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 19:02:46,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:02:49,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:02:51,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:02:54,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:03:01,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:03:03,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:03:05,918 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:03:08,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:08,350 INFO L93 Difference]: Finished difference Result 19925 states and 28450 transitions. [2021-11-25 19:03:08,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:03:08,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2021-11-25 19:03:08,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:08,489 INFO L225 Difference]: With dead ends: 19925 [2021-11-25 19:03:08,489 INFO L226 Difference]: Without dead ends: 19923 [2021-11-25 19:03:08,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 19:03:08,510 INFO L933 BasicCegarLoop]: 4957 mSDtfsCounter, 4544 mSDsluCounter, 14018 mSDsCounter, 0 mSdLazyCounter, 2252 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4553 SdHoareTripleChecker+Valid, 17360 SdHoareTripleChecker+Invalid, 2259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2252 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:08,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4553 Valid, 17360 Invalid, 2259 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2252 Invalid, 5 Unknown, 0 Unchecked, 24.3s Time] [2021-11-25 19:03:08,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19923 states. [2021-11-25 19:03:09,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19923 to 19689. [2021-11-25 19:03:09,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19689 states, 11673 states have (on average 1.2782489505696908) internal successors, (14921), 12174 states have internal predecessors, (14921), 6298 states have call successors, (6298), 1688 states have call predecessors, (6298), 1683 states have return successors, (6979), 6202 states have call predecessors, (6979), 6296 states have call successors, (6979) [2021-11-25 19:03:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19689 states to 19689 states and 28198 transitions. [2021-11-25 19:03:09,568 INFO L78 Accepts]: Start accepts. Automaton has 19689 states and 28198 transitions. Word has length 43 [2021-11-25 19:03:09,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:09,569 INFO L470 AbstractCegarLoop]: Abstraction has 19689 states and 28198 transitions. [2021-11-25 19:03:09,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-25 19:03:09,569 INFO L276 IsEmpty]: Start isEmpty. Operand 19689 states and 28198 transitions. [2021-11-25 19:03:09,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 19:03:09,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:09,570 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:09,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 19:03:09,570 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 19:03:09,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:09,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1650392270, now seen corresponding path program 1 times [2021-11-25 19:03:09,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:09,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352951678] [2021-11-25 19:03:09,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:09,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:10,012 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:03:10,012 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:10,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352951678] [2021-11-25 19:03:10,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352951678] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:10,013 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:10,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:03:10,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648964329] [2021-11-25 19:03:10,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:10,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:03:10,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:10,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:03:10,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:03:10,017 INFO L87 Difference]: Start difference. First operand 19689 states and 28198 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 19:03:12,785 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:15,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:17,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:18,605 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:03:24,064 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:03:25,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:25,839 INFO L93 Difference]: Finished difference Result 20391 states and 29025 transitions. [2021-11-25 19:03:25,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:03:25,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 48 [2021-11-25 19:03:25,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:25,947 INFO L225 Difference]: With dead ends: 20391 [2021-11-25 19:03:25,947 INFO L226 Difference]: Without dead ends: 20389 [2021-11-25 19:03:25,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:03:25,963 INFO L933 BasicCegarLoop]: 4296 mSDtfsCounter, 4502 mSDsluCounter, 5729 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4513 SdHoareTripleChecker+Valid, 9298 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1321 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:25,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4513 Valid, 9298 Invalid, 1326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1321 Invalid, 4 Unknown, 0 Unchecked, 15.3s Time] [2021-11-25 19:03:25,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20389 states. [2021-11-25 19:03:27,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20389 to 20383. [2021-11-25 19:03:27,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20383 states, 12061 states have (on average 1.2745211839814277) internal successors, (15372), 12570 states have internal predecessors, (15372), 6477 states have call successors, (6477), 1813 states have call predecessors, (6477), 1811 states have return successors, (7171), 6381 states have call predecessors, (7171), 6475 states have call successors, (7171) [2021-11-25 19:03:27,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20383 states to 20383 states and 29020 transitions. [2021-11-25 19:03:27,143 INFO L78 Accepts]: Start accepts. Automaton has 20383 states and 29020 transitions. Word has length 48 [2021-11-25 19:03:27,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:27,144 INFO L470 AbstractCegarLoop]: Abstraction has 20383 states and 29020 transitions. [2021-11-25 19:03:27,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 19:03:27,145 INFO L276 IsEmpty]: Start isEmpty. Operand 20383 states and 29020 transitions. [2021-11-25 19:03:27,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 19:03:27,146 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:27,146 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:03:27,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 19:03:27,146 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 19:03:27,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:27,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1383570208, now seen corresponding path program 1 times [2021-11-25 19:03:27,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:27,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849601206] [2021-11-25 19:03:27,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:27,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:27,364 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:03:27,365 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:27,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849601206] [2021-11-25 19:03:27,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849601206] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:27,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:27,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:03:27,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098412031] [2021-11-25 19:03:27,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:27,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:03:27,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:27,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:03:27,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:03:27,367 INFO L87 Difference]: Start difference. First operand 20383 states and 29020 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-25 19:03:30,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:32,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:34,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:36,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:03:43,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:03:45,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:03:45,018 INFO L93 Difference]: Finished difference Result 20389 states and 29023 transitions. [2021-11-25 19:03:45,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:03:45,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2021-11-25 19:03:45,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:03:45,123 INFO L225 Difference]: With dead ends: 20389 [2021-11-25 19:03:45,123 INFO L226 Difference]: Without dead ends: 20387 [2021-11-25 19:03:45,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:03:45,139 INFO L933 BasicCegarLoop]: 4295 mSDtfsCounter, 4497 mSDsluCounter, 5727 mSDsCounter, 0 mSdLazyCounter, 1317 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4510 SdHoareTripleChecker+Valid, 9296 SdHoareTripleChecker+Invalid, 1322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1317 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:03:45,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4510 Valid, 9296 Invalid, 1322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1317 Invalid, 5 Unknown, 0 Unchecked, 17.0s Time] [2021-11-25 19:03:45,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20387 states. [2021-11-25 19:03:46,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20387 to 20381. [2021-11-25 19:03:46,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20381 states, 12060 states have (on average 1.2744610281923714) internal successors, (15370), 12568 states have internal predecessors, (15370), 6477 states have call successors, (6477), 1813 states have call predecessors, (6477), 1811 states have return successors, (7171), 6381 states have call predecessors, (7171), 6475 states have call successors, (7171) [2021-11-25 19:03:46,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20381 states to 20381 states and 29018 transitions. [2021-11-25 19:03:46,330 INFO L78 Accepts]: Start accepts. Automaton has 20381 states and 29018 transitions. Word has length 53 [2021-11-25 19:03:46,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:03:46,331 INFO L470 AbstractCegarLoop]: Abstraction has 20381 states and 29018 transitions. [2021-11-25 19:03:46,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-25 19:03:46,331 INFO L276 IsEmpty]: Start isEmpty. Operand 20381 states and 29018 transitions. [2021-11-25 19:03:46,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 19:03:46,334 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:03:46,334 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-25 19:03:46,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 19:03:46,334 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 19:03:46,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:03:46,335 INFO L85 PathProgramCache]: Analyzing trace with hash 204215587, now seen corresponding path program 1 times [2021-11-25 19:03:46,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:03:46,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345253509] [2021-11-25 19:03:46,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:03:46,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:03:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:03:46,577 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-25 19:03:46,578 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:03:46,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345253509] [2021-11-25 19:03:46,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345253509] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:03:46,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:03:46,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:03:46,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796832766] [2021-11-25 19:03:46,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:03:46,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:03:46,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:03:46,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:03:46,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:03:46,580 INFO L87 Difference]: Start difference. First operand 20381 states and 29018 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 19:03:49,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:51,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:03:54,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:02,622 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:04:04,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:04,882 INFO L93 Difference]: Finished difference Result 20387 states and 29021 transitions. [2021-11-25 19:04:04,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:04:04,882 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 53 [2021-11-25 19:04:04,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:04,978 INFO L225 Difference]: With dead ends: 20387 [2021-11-25 19:04:04,978 INFO L226 Difference]: Without dead ends: 20385 [2021-11-25 19:04:04,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-25 19:04:04,991 INFO L933 BasicCegarLoop]: 4290 mSDtfsCounter, 4498 mSDsluCounter, 10601 mSDsCounter, 0 mSdLazyCounter, 1919 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4508 SdHoareTripleChecker+Valid, 13573 SdHoareTripleChecker+Invalid, 1923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1919 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:04,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4508 Valid, 13573 Invalid, 1923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1919 Invalid, 4 Unknown, 0 Unchecked, 17.5s Time] [2021-11-25 19:04:05,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20385 states. [2021-11-25 19:04:05,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20385 to 20379. [2021-11-25 19:04:05,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20379 states, 12059 states have (on average 1.2738203831163446) internal successors, (15361), 12566 states have internal predecessors, (15361), 6477 states have call successors, (6477), 1813 states have call predecessors, (6477), 1811 states have return successors, (7171), 6381 states have call predecessors, (7171), 6475 states have call successors, (7171) [2021-11-25 19:04:06,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20379 states to 20379 states and 29009 transitions. [2021-11-25 19:04:06,080 INFO L78 Accepts]: Start accepts. Automaton has 20379 states and 29009 transitions. Word has length 53 [2021-11-25 19:04:06,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:06,081 INFO L470 AbstractCegarLoop]: Abstraction has 20379 states and 29009 transitions. [2021-11-25 19:04:06,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 19:04:06,081 INFO L276 IsEmpty]: Start isEmpty. Operand 20379 states and 29009 transitions. [2021-11-25 19:04:06,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-25 19:04:06,083 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:06,083 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-25 19:04:06,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 19:04:06,084 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 19:04:06,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:06,084 INFO L85 PathProgramCache]: Analyzing trace with hash -782414679, now seen corresponding path program 1 times [2021-11-25 19:04:06,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:06,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060116081] [2021-11-25 19:04:06,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:06,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:06,373 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:04:06,374 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:06,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060116081] [2021-11-25 19:04:06,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060116081] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:06,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:06,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 19:04:06,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898587292] [2021-11-25 19:04:06,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:06,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 19:04:06,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:06,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 19:04:06,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 19:04:06,376 INFO L87 Difference]: Start difference. First operand 20379 states and 29009 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-25 19:04:10,064 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:12,956 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:15,027 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:17,443 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:04:19,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:04:26,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:04:30,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:30,165 INFO L93 Difference]: Finished difference Result 27577 states and 38854 transitions. [2021-11-25 19:04:30,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 19:04:30,165 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 56 [2021-11-25 19:04:30,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:30,302 INFO L225 Difference]: With dead ends: 27577 [2021-11-25 19:04:30,302 INFO L226 Difference]: Without dead ends: 27267 [2021-11-25 19:04:30,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-25 19:04:30,317 INFO L933 BasicCegarLoop]: 4716 mSDtfsCounter, 4227 mSDsluCounter, 18846 mSDsCounter, 0 mSdLazyCounter, 2861 mSolverCounterSat, 52 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4235 SdHoareTripleChecker+Valid, 21396 SdHoareTripleChecker+Invalid, 2917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 2861 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:30,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4235 Valid, 21396 Invalid, 2917 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [52 Valid, 2861 Invalid, 4 Unknown, 0 Unchecked, 22.7s Time] [2021-11-25 19:04:30,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27267 states. [2021-11-25 19:04:31,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27267 to 19743. [2021-11-25 19:04:31,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19743 states, 11703 states have (on average 1.2736050585320002) internal successors, (14905), 12186 states have internal predecessors, (14905), 6209 states have call successors, (6209), 1801 states have call predecessors, (6209), 1799 states have return successors, (6861), 6109 states have call predecessors, (6861), 6207 states have call successors, (6861) [2021-11-25 19:04:31,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19743 states to 19743 states and 27975 transitions. [2021-11-25 19:04:31,724 INFO L78 Accepts]: Start accepts. Automaton has 19743 states and 27975 transitions. Word has length 56 [2021-11-25 19:04:31,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:31,724 INFO L470 AbstractCegarLoop]: Abstraction has 19743 states and 27975 transitions. [2021-11-25 19:04:31,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-11-25 19:04:31,725 INFO L276 IsEmpty]: Start isEmpty. Operand 19743 states and 27975 transitions. [2021-11-25 19:04:31,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 19:04:31,726 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:31,726 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:04:31,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 19:04:31,727 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 19:04:31,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:31,728 INFO L85 PathProgramCache]: Analyzing trace with hash 474558947, now seen corresponding path program 1 times [2021-11-25 19:04:31,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:31,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123024797] [2021-11-25 19:04:31,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:31,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:31,924 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:04:31,924 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:31,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123024797] [2021-11-25 19:04:31,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123024797] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:31,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:31,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:04:31,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666168608] [2021-11-25 19:04:31,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:31,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:04:31,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:31,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:04:31,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:04:31,927 INFO L87 Difference]: Start difference. First operand 19743 states and 27975 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 19:04:34,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:37,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:39,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:41,140 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:04:45,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:04:50,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:04:52,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:04:52,259 INFO L93 Difference]: Finished difference Result 27277 states and 38519 transitions. [2021-11-25 19:04:52,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 19:04:52,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 58 [2021-11-25 19:04:52,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:04:52,387 INFO L225 Difference]: With dead ends: 27277 [2021-11-25 19:04:52,387 INFO L226 Difference]: Without dead ends: 27275 [2021-11-25 19:04:52,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:04:52,398 INFO L933 BasicCegarLoop]: 4977 mSDtfsCounter, 4496 mSDsluCounter, 8537 mSDsCounter, 0 mSdLazyCounter, 1640 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4507 SdHoareTripleChecker+Valid, 12507 SdHoareTripleChecker+Invalid, 1647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1640 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2021-11-25 19:04:52,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4507 Valid, 12507 Invalid, 1647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1640 Invalid, 5 Unknown, 0 Unchecked, 19.4s Time] [2021-11-25 19:04:52,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27275 states. [2021-11-25 19:04:53,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27275 to 27115. [2021-11-25 19:04:53,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27115 states, 15956 states have (on average 1.2670468789170217) internal successors, (20217), 16617 states have internal predecessors, (20217), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9567), 8431 states have call predecessors, (9567), 8569 states have call successors, (9567) [2021-11-25 19:04:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27115 states to 27115 states and 38355 transitions. [2021-11-25 19:04:53,777 INFO L78 Accepts]: Start accepts. Automaton has 27115 states and 38355 transitions. Word has length 58 [2021-11-25 19:04:53,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:04:53,777 INFO L470 AbstractCegarLoop]: Abstraction has 27115 states and 38355 transitions. [2021-11-25 19:04:53,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 19:04:53,778 INFO L276 IsEmpty]: Start isEmpty. Operand 27115 states and 38355 transitions. [2021-11-25 19:04:53,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 19:04:53,779 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:04:53,779 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-25 19:04:53,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 19:04:53,780 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_usb_gadget_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 19:04:53,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:04:53,780 INFO L85 PathProgramCache]: Analyzing trace with hash 779912008, now seen corresponding path program 1 times [2021-11-25 19:04:53,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:04:53,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761093369] [2021-11-25 19:04:53,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:04:53,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:04:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:04:53,949 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 19:04:53,950 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:04:53,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761093369] [2021-11-25 19:04:53,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761093369] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:04:53,950 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:04:53,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:04:53,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883396641] [2021-11-25 19:04:53,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:04:53,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:04:53,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:04:53,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:04:53,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:04:53,952 INFO L87 Difference]: Start difference. First operand 27115 states and 38355 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 19:04:56,763 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:04:58,958 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:01,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:03,257 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:05:09,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:05:11,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:11,380 INFO L93 Difference]: Finished difference Result 27145 states and 38390 transitions. [2021-11-25 19:05:11,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:05:11,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 61 [2021-11-25 19:05:11,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:11,508 INFO L225 Difference]: With dead ends: 27145 [2021-11-25 19:05:11,508 INFO L226 Difference]: Without dead ends: 27143 [2021-11-25 19:05:11,525 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:05:11,526 INFO L933 BasicCegarLoop]: 4293 mSDtfsCounter, 4488 mSDsluCounter, 5724 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4499 SdHoareTripleChecker+Valid, 9291 SdHoareTripleChecker+Invalid, 1324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:11,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4499 Valid, 9291 Invalid, 1324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1319 Invalid, 5 Unknown, 0 Unchecked, 16.5s Time] [2021-11-25 19:05:11,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27143 states. [2021-11-25 19:05:12,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27143 to 27113. [2021-11-25 19:05:12,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27113 states, 15955 states have (on average 1.2663115010968349) internal successors, (20204), 16615 states have internal predecessors, (20204), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9567), 8431 states have call predecessors, (9567), 8569 states have call successors, (9567) [2021-11-25 19:05:13,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27113 states to 27113 states and 38342 transitions. [2021-11-25 19:05:13,035 INFO L78 Accepts]: Start accepts. Automaton has 27113 states and 38342 transitions. Word has length 61 [2021-11-25 19:05:13,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:13,036 INFO L470 AbstractCegarLoop]: Abstraction has 27113 states and 38342 transitions. [2021-11-25 19:05:13,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 19:05:13,036 INFO L276 IsEmpty]: Start isEmpty. Operand 27113 states and 38342 transitions. [2021-11-25 19:05:13,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 19:05:13,038 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:13,038 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:13,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 19:05:13,038 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 19:05:13,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:13,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1995136220, now seen corresponding path program 1 times [2021-11-25 19:05:13,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:13,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809794443] [2021-11-25 19:05:13,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:13,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:13,212 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:05:13,212 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:13,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809794443] [2021-11-25 19:05:13,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809794443] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:13,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:13,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:05:13,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165848070] [2021-11-25 19:05:13,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:13,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:05:13,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:13,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:05:13,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:05:13,215 INFO L87 Difference]: Start difference. First operand 27113 states and 38342 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 19:05:15,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:18,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:20,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:23,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:05:28,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:05:30,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:30,219 INFO L93 Difference]: Finished difference Result 27119 states and 38345 transitions. [2021-11-25 19:05:30,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:05:30,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2021-11-25 19:05:30,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:30,318 INFO L225 Difference]: With dead ends: 27119 [2021-11-25 19:05:30,319 INFO L226 Difference]: Without dead ends: 27117 [2021-11-25 19:05:30,331 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:05:30,332 INFO L933 BasicCegarLoop]: 4297 mSDtfsCounter, 4492 mSDsluCounter, 5733 mSDsCounter, 0 mSdLazyCounter, 1325 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4503 SdHoareTripleChecker+Valid, 9300 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1325 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:30,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4503 Valid, 9300 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1325 Invalid, 4 Unknown, 0 Unchecked, 15.9s Time] [2021-11-25 19:05:30,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27117 states. [2021-11-25 19:05:31,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27117 to 27111. [2021-11-25 19:05:31,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27111 states, 15954 states have (on average 1.2662655133508838) internal successors, (20202), 16613 states have internal predecessors, (20202), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9567), 8431 states have call predecessors, (9567), 8569 states have call successors, (9567) [2021-11-25 19:05:31,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27111 states to 27111 states and 38340 transitions. [2021-11-25 19:05:31,736 INFO L78 Accepts]: Start accepts. Automaton has 27111 states and 38340 transitions. Word has length 63 [2021-11-25 19:05:31,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:31,737 INFO L470 AbstractCegarLoop]: Abstraction has 27111 states and 38340 transitions. [2021-11-25 19:05:31,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 19:05:31,737 INFO L276 IsEmpty]: Start isEmpty. Operand 27111 states and 38340 transitions. [2021-11-25 19:05:31,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 19:05:31,738 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:31,738 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:31,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 19:05:31,739 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 19:05:31,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:31,739 INFO L85 PathProgramCache]: Analyzing trace with hash 592342523, now seen corresponding path program 1 times [2021-11-25 19:05:31,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:31,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743269374] [2021-11-25 19:05:31,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:31,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:31,900 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:05:31,900 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:31,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743269374] [2021-11-25 19:05:31,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743269374] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:31,901 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:31,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:05:31,901 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343413320] [2021-11-25 19:05:31,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:31,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:05:31,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:31,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:05:31,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:05:31,903 INFO L87 Difference]: Start difference. First operand 27111 states and 38340 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 19:05:34,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:36,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:38,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:45,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:05:47,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:05:47,406 INFO L93 Difference]: Finished difference Result 27117 states and 38343 transitions. [2021-11-25 19:05:47,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:05:47,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 68 [2021-11-25 19:05:47,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:05:47,492 INFO L225 Difference]: With dead ends: 27117 [2021-11-25 19:05:47,492 INFO L226 Difference]: Without dead ends: 27115 [2021-11-25 19:05:47,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:05:47,505 INFO L933 BasicCegarLoop]: 4287 mSDtfsCounter, 4489 mSDsluCounter, 5720 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4500 SdHoareTripleChecker+Valid, 9280 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:05:47,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4500 Valid, 9280 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1319 Invalid, 4 Unknown, 0 Unchecked, 14.6s Time] [2021-11-25 19:05:47,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27115 states. [2021-11-25 19:05:48,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27115 to 27109. [2021-11-25 19:05:48,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27109 states, 15953 states have (on average 1.2662195198395285) internal successors, (20200), 16611 states have internal predecessors, (20200), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9567), 8431 states have call predecessors, (9567), 8569 states have call successors, (9567) [2021-11-25 19:05:48,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27109 states to 27109 states and 38338 transitions. [2021-11-25 19:05:49,001 INFO L78 Accepts]: Start accepts. Automaton has 27109 states and 38338 transitions. Word has length 68 [2021-11-25 19:05:49,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:05:49,002 INFO L470 AbstractCegarLoop]: Abstraction has 27109 states and 38338 transitions. [2021-11-25 19:05:49,002 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 19:05:49,002 INFO L276 IsEmpty]: Start isEmpty. Operand 27109 states and 38338 transitions. [2021-11-25 19:05:49,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 19:05:49,004 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:05:49,004 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:05:49,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 19:05:49,004 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 19:05:49,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:05:49,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1684089448, now seen corresponding path program 1 times [2021-11-25 19:05:49,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:05:49,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366912916] [2021-11-25 19:05:49,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:05:49,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:05:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:05:49,164 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:05:49,164 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:05:49,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366912916] [2021-11-25 19:05:49,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366912916] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:05:49,165 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:05:49,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:05:49,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617024858] [2021-11-25 19:05:49,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:05:49,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:05:49,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:05:49,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:05:49,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:05:49,166 INFO L87 Difference]: Start difference. First operand 27109 states and 38338 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 19:05:51,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:54,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:56,358 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:05:59,661 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:06:05,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:06:07,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:07,144 INFO L93 Difference]: Finished difference Result 27115 states and 38341 transitions. [2021-11-25 19:06:07,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:06:07,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 73 [2021-11-25 19:06:07,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:07,220 INFO L225 Difference]: With dead ends: 27115 [2021-11-25 19:06:07,220 INFO L226 Difference]: Without dead ends: 27113 [2021-11-25 19:06:07,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:06:07,229 INFO L933 BasicCegarLoop]: 4293 mSDtfsCounter, 4487 mSDsluCounter, 5724 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4500 SdHoareTripleChecker+Valid, 9288 SdHoareTripleChecker+Invalid, 1328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:07,230 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4500 Valid, 9288 Invalid, 1328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1323 Invalid, 5 Unknown, 0 Unchecked, 16.7s Time] [2021-11-25 19:06:07,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27113 states. [2021-11-25 19:06:08,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27113 to 27107. [2021-11-25 19:06:08,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27107 states, 15952 states have (on average 1.266173520561685) internal successors, (20198), 16609 states have internal predecessors, (20198), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9567), 8431 states have call predecessors, (9567), 8569 states have call successors, (9567) [2021-11-25 19:06:08,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27107 states to 27107 states and 38336 transitions. [2021-11-25 19:06:08,436 INFO L78 Accepts]: Start accepts. Automaton has 27107 states and 38336 transitions. Word has length 73 [2021-11-25 19:06:08,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:08,437 INFO L470 AbstractCegarLoop]: Abstraction has 27107 states and 38336 transitions. [2021-11-25 19:06:08,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 19:06:08,437 INFO L276 IsEmpty]: Start isEmpty. Operand 27107 states and 38336 transitions. [2021-11-25 19:06:08,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 19:06:08,439 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:08,439 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:08,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 19:06:08,439 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 19:06:08,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:08,440 INFO L85 PathProgramCache]: Analyzing trace with hash -792479989, now seen corresponding path program 1 times [2021-11-25 19:06:08,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:08,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415853264] [2021-11-25 19:06:08,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:08,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:08,803 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:06:08,803 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:08,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415853264] [2021-11-25 19:06:08,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415853264] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:08,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:08,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:06:08,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676313712] [2021-11-25 19:06:08,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:08,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:06:08,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:08,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:06:08,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:06:08,806 INFO L87 Difference]: Start difference. First operand 27107 states and 38336 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 19:06:11,648 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:14,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:16,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:17,677 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:06:21,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:06:25,603 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:06:27,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:27,137 INFO L93 Difference]: Finished difference Result 27113 states and 38339 transitions. [2021-11-25 19:06:27,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:06:27,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 75 [2021-11-25 19:06:27,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:27,220 INFO L225 Difference]: With dead ends: 27113 [2021-11-25 19:06:27,220 INFO L226 Difference]: Without dead ends: 27111 [2021-11-25 19:06:27,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:06:27,232 INFO L933 BasicCegarLoop]: 4291 mSDtfsCounter, 4482 mSDsluCounter, 5727 mSDsCounter, 0 mSdLazyCounter, 1324 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4493 SdHoareTripleChecker+Valid, 9288 SdHoareTripleChecker+Invalid, 1329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1324 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:27,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4493 Valid, 9288 Invalid, 1329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1324 Invalid, 5 Unknown, 0 Unchecked, 17.3s Time] [2021-11-25 19:06:27,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27111 states. [2021-11-25 19:06:28,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27111 to 27105. [2021-11-25 19:06:28,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27105 states, 15951 states have (on average 1.2661275155162686) internal successors, (20196), 16607 states have internal predecessors, (20196), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9567), 8431 states have call predecessors, (9567), 8569 states have call successors, (9567) [2021-11-25 19:06:28,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27105 states to 27105 states and 38334 transitions. [2021-11-25 19:06:28,805 INFO L78 Accepts]: Start accepts. Automaton has 27105 states and 38334 transitions. Word has length 75 [2021-11-25 19:06:28,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:28,806 INFO L470 AbstractCegarLoop]: Abstraction has 27105 states and 38334 transitions. [2021-11-25 19:06:28,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 19:06:28,806 INFO L276 IsEmpty]: Start isEmpty. Operand 27105 states and 38334 transitions. [2021-11-25 19:06:28,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-25 19:06:28,808 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:28,808 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:28,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 19:06:28,808 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 19:06:28,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:28,809 INFO L85 PathProgramCache]: Analyzing trace with hash 310027568, now seen corresponding path program 1 times [2021-11-25 19:06:28,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:28,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332376852] [2021-11-25 19:06:28,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:28,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:28,957 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-25 19:06:28,957 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:28,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332376852] [2021-11-25 19:06:28,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332376852] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:28,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:28,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:06:28,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294032373] [2021-11-25 19:06:28,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:28,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:06:28,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:28,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:06:28,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:06:28,960 INFO L87 Difference]: Start difference. First operand 27105 states and 38334 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 19:06:31,514 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:33,787 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:35,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:41,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:06:42,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:06:42,758 INFO L93 Difference]: Finished difference Result 49013 states and 68863 transitions. [2021-11-25 19:06:42,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:06:42,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 94 [2021-11-25 19:06:42,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:06:42,847 INFO L225 Difference]: With dead ends: 49013 [2021-11-25 19:06:42,847 INFO L226 Difference]: Without dead ends: 27085 [2021-11-25 19:06:42,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:06:42,926 INFO L933 BasicCegarLoop]: 4287 mSDtfsCounter, 4492 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4501 SdHoareTripleChecker+Valid, 4993 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2021-11-25 19:06:42,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4501 Valid, 4993 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 732 Invalid, 4 Unknown, 0 Unchecked, 12.2s Time] [2021-11-25 19:06:42,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27085 states. [2021-11-25 19:06:44,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27085 to 27079. [2021-11-25 19:06:44,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27079 states, 15926 states have (on average 1.2650383021474318) internal successors, (20147), 16581 states have internal predecessors, (20147), 8571 states have call successors, (8571), 2560 states have call predecessors, (8571), 2556 states have return successors, (9567), 8431 states have call predecessors, (9567), 8569 states have call successors, (9567) [2021-11-25 19:06:44,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27079 states to 27079 states and 38285 transitions. [2021-11-25 19:06:44,664 INFO L78 Accepts]: Start accepts. Automaton has 27079 states and 38285 transitions. Word has length 94 [2021-11-25 19:06:44,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:06:44,665 INFO L470 AbstractCegarLoop]: Abstraction has 27079 states and 38285 transitions. [2021-11-25 19:06:44,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 19:06:44,665 INFO L276 IsEmpty]: Start isEmpty. Operand 27079 states and 38285 transitions. [2021-11-25 19:06:44,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-25 19:06:44,668 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:06:44,668 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:06:44,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 19:06:44,668 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 19:06:44,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:06:44,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1872168984, now seen corresponding path program 1 times [2021-11-25 19:06:44,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:06:44,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007269754] [2021-11-25 19:06:44,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:06:44,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:06:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:06:44,882 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-11-25 19:06:44,882 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:06:44,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007269754] [2021-11-25 19:06:44,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007269754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:06:44,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:06:44,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:06:44,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517606519] [2021-11-25 19:06:44,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:06:44,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:06:44,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:06:44,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:06:44,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:06:44,884 INFO L87 Difference]: Start difference. First operand 27079 states and 38285 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 19:06:48,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:50,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:52,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:06:55,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:06:57,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:07:05,768 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:07:08,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:08,981 INFO L93 Difference]: Finished difference Result 37824 states and 53474 transitions. [2021-11-25 19:07:08,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 19:07:08,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 103 [2021-11-25 19:07:08,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:09,126 INFO L225 Difference]: With dead ends: 37824 [2021-11-25 19:07:09,126 INFO L226 Difference]: Without dead ends: 37822 [2021-11-25 19:07:09,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 19:07:09,142 INFO L933 BasicCegarLoop]: 4888 mSDtfsCounter, 4378 mSDsluCounter, 13817 mSDsCounter, 0 mSdLazyCounter, 2349 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4387 SdHoareTripleChecker+Valid, 17029 SdHoareTripleChecker+Invalid, 2356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2349 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:09,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4387 Valid, 17029 Invalid, 2356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2349 Invalid, 5 Unknown, 0 Unchecked, 22.3s Time] [2021-11-25 19:07:09,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37822 states. [2021-11-25 19:07:10,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37822 to 37574. [2021-11-25 19:07:10,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37574 states, 21973 states have (on average 1.256269057479634) internal successors, (27604), 22900 states have internal predecessors, (27604), 11681 states have call successors, (11681), 3928 states have call predecessors, (11681), 3894 states have return successors, (13907), 11419 states have call predecessors, (13907), 11679 states have call successors, (13907) [2021-11-25 19:07:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37574 states to 37574 states and 53192 transitions. [2021-11-25 19:07:11,348 INFO L78 Accepts]: Start accepts. Automaton has 37574 states and 53192 transitions. Word has length 103 [2021-11-25 19:07:11,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:11,349 INFO L470 AbstractCegarLoop]: Abstraction has 37574 states and 53192 transitions. [2021-11-25 19:07:11,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 19:07:11,349 INFO L276 IsEmpty]: Start isEmpty. Operand 37574 states and 53192 transitions. [2021-11-25 19:07:11,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-25 19:07:11,352 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:11,352 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:11,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 19:07:11,352 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 19:07:11,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:11,353 INFO L85 PathProgramCache]: Analyzing trace with hash 363754100, now seen corresponding path program 1 times [2021-11-25 19:07:11,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:11,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877830459] [2021-11-25 19:07:11,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:11,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:11,682 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 19:07:11,682 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:11,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877830459] [2021-11-25 19:07:11,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877830459] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:11,682 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:11,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-25 19:07:11,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511988377] [2021-11-25 19:07:11,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:11,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 19:07:11,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:11,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 19:07:11,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-25 19:07:11,684 INFO L87 Difference]: Start difference. First operand 37574 states and 53192 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2021-11-25 19:07:16,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:18,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:20,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:24,266 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:07:36,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:07:41,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:07:41,225 INFO L93 Difference]: Finished difference Result 80542 states and 113573 transitions. [2021-11-25 19:07:41,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 19:07:41,226 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) Word has length 78 [2021-11-25 19:07:41,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:07:41,462 INFO L225 Difference]: With dead ends: 80542 [2021-11-25 19:07:41,462 INFO L226 Difference]: Without dead ends: 57932 [2021-11-25 19:07:41,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-25 19:07:41,560 INFO L933 BasicCegarLoop]: 4868 mSDtfsCounter, 4665 mSDsluCounter, 24573 mSDsCounter, 0 mSdLazyCounter, 3763 mSolverCounterSat, 224 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4683 SdHoareTripleChecker+Valid, 26669 SdHoareTripleChecker+Invalid, 3992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 224 IncrementalHoareTripleChecker+Valid, 3763 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:07:41,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4683 Valid, 26669 Invalid, 3992 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [224 Valid, 3763 Invalid, 5 Unknown, 0 Unchecked, 26.0s Time] [2021-11-25 19:07:41,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57932 states. [2021-11-25 19:07:44,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57932 to 57526. [2021-11-25 19:07:44,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57526 states, 33505 states have (on average 1.2517534696313983) internal successors, (41940), 34920 states have internal predecessors, (41940), 17787 states have call successors, (17787), 6260 states have call predecessors, (17787), 6208 states have return successors, (21431), 17367 states have call predecessors, (21431), 17785 states have call successors, (21431) [2021-11-25 19:07:44,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57526 states to 57526 states and 81158 transitions. [2021-11-25 19:07:44,953 INFO L78 Accepts]: Start accepts. Automaton has 57526 states and 81158 transitions. Word has length 78 [2021-11-25 19:07:44,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:07:44,953 INFO L470 AbstractCegarLoop]: Abstraction has 57526 states and 81158 transitions. [2021-11-25 19:07:44,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 4 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 5 states have call predecessors, (13), 4 states have call successors, (13) [2021-11-25 19:07:44,954 INFO L276 IsEmpty]: Start isEmpty. Operand 57526 states and 81158 transitions. [2021-11-25 19:07:44,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-25 19:07:44,955 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:07:44,955 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:07:44,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-25 19:07:44,956 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 19:07:44,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:07:44,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1049850777, now seen corresponding path program 1 times [2021-11-25 19:07:44,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:07:44,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633307700] [2021-11-25 19:07:44,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:07:44,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:07:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:07:45,127 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:07:45,127 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:07:45,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633307700] [2021-11-25 19:07:45,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633307700] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:07:45,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:07:45,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:07:45,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702254637] [2021-11-25 19:07:45,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:07:45,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:07:45,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:07:45,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:07:45,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:07:45,130 INFO L87 Difference]: Start difference. First operand 57526 states and 81158 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 19:07:48,161 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:50,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:52,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:07:54,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:08:00,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:08:03,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:03,216 INFO L93 Difference]: Finished difference Result 57532 states and 81161 transitions. [2021-11-25 19:08:03,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:08:03,217 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 80 [2021-11-25 19:08:03,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:03,549 INFO L225 Difference]: With dead ends: 57532 [2021-11-25 19:08:03,549 INFO L226 Difference]: Without dead ends: 57530 [2021-11-25 19:08:03,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:08:03,570 INFO L933 BasicCegarLoop]: 4237 mSDtfsCounter, 4476 mSDsluCounter, 5662 mSDsCounter, 0 mSdLazyCounter, 1303 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4487 SdHoareTripleChecker+Valid, 9180 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1303 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:03,570 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4487 Valid, 9180 Invalid, 1307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1303 Invalid, 4 Unknown, 0 Unchecked, 15.5s Time] [2021-11-25 19:08:03,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57530 states. [2021-11-25 19:08:07,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57530 to 57524. [2021-11-25 19:08:07,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57524 states, 33504 states have (on average 1.2517311365807067) internal successors, (41938), 34918 states have internal predecessors, (41938), 17787 states have call successors, (17787), 6260 states have call predecessors, (17787), 6208 states have return successors, (21431), 17367 states have call predecessors, (21431), 17785 states have call successors, (21431) [2021-11-25 19:08:07,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57524 states to 57524 states and 81156 transitions. [2021-11-25 19:08:07,412 INFO L78 Accepts]: Start accepts. Automaton has 57524 states and 81156 transitions. Word has length 80 [2021-11-25 19:08:07,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:07,413 INFO L470 AbstractCegarLoop]: Abstraction has 57524 states and 81156 transitions. [2021-11-25 19:08:07,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 19:08:07,413 INFO L276 IsEmpty]: Start isEmpty. Operand 57524 states and 81156 transitions. [2021-11-25 19:08:07,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-25 19:08:07,416 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:07,416 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:07,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-25 19:08:07,416 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 19:08:07,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:07,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1734994032, now seen corresponding path program 1 times [2021-11-25 19:08:07,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:07,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381520385] [2021-11-25 19:08:07,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:07,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:07,860 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 19:08:07,860 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:07,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381520385] [2021-11-25 19:08:07,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381520385] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:07,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:08:07,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 19:08:07,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564291838] [2021-11-25 19:08:07,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:07,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 19:08:07,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:07,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 19:08:07,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 19:08:07,862 INFO L87 Difference]: Start difference. First operand 57524 states and 81156 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 19:08:10,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:13,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:15,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:17,722 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:08:23,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:08:25,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:08:27,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:27,876 INFO L93 Difference]: Finished difference Result 57530 states and 81159 transitions. [2021-11-25 19:08:27,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 19:08:27,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 85 [2021-11-25 19:08:27,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:28,084 INFO L225 Difference]: With dead ends: 57530 [2021-11-25 19:08:28,084 INFO L226 Difference]: Without dead ends: 57528 [2021-11-25 19:08:28,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:08:28,106 INFO L933 BasicCegarLoop]: 4224 mSDtfsCounter, 4508 mSDsluCounter, 5558 mSDsCounter, 0 mSdLazyCounter, 1287 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4518 SdHoareTripleChecker+Valid, 9080 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1287 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:28,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4518 Valid, 9080 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1287 Invalid, 4 Unknown, 0 Unchecked, 17.1s Time] [2021-11-25 19:08:28,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57528 states. [2021-11-25 19:08:31,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57528 to 57522. [2021-11-25 19:08:31,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57522 states, 33503 states have (on average 1.2517088021968181) internal successors, (41936), 34916 states have internal predecessors, (41936), 17787 states have call successors, (17787), 6260 states have call predecessors, (17787), 6208 states have return successors, (21431), 17367 states have call predecessors, (21431), 17785 states have call successors, (21431) [2021-11-25 19:08:32,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57522 states to 57522 states and 81154 transitions. [2021-11-25 19:08:32,041 INFO L78 Accepts]: Start accepts. Automaton has 57522 states and 81154 transitions. Word has length 85 [2021-11-25 19:08:32,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:08:32,041 INFO L470 AbstractCegarLoop]: Abstraction has 57522 states and 81154 transitions. [2021-11-25 19:08:32,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 19:08:32,041 INFO L276 IsEmpty]: Start isEmpty. Operand 57522 states and 81154 transitions. [2021-11-25 19:08:32,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-25 19:08:32,045 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:08:32,045 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:08:32,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-25 19:08:32,045 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 19:08:32,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:08:32,046 INFO L85 PathProgramCache]: Analyzing trace with hash 950576005, now seen corresponding path program 1 times [2021-11-25 19:08:32,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:08:32,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000135154] [2021-11-25 19:08:32,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:32,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:08:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:32,301 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-11-25 19:08:32,302 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:08:32,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000135154] [2021-11-25 19:08:32,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000135154] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 19:08:32,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538699813] [2021-11-25 19:08:32,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:08:32,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:08:32,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:08:32,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:08:32,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64a5a83d-a73e-4024-904a-a4a3215b8bed/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:08:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:08:34,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 2043 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 19:08:34,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:08:34,414 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-25 19:08:34,414 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 19:08:34,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538699813] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:08:34,415 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 19:08:34,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-11-25 19:08:34,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839115125] [2021-11-25 19:08:34,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:08:34,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:08:34,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:08:34,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:08:34,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-25 19:08:34,418 INFO L87 Difference]: Start difference. First operand 57522 states and 81154 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 19:08:37,053 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:39,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:41,266 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:08:43,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:08:49,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:08:51,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:08:51,330 INFO L93 Difference]: Finished difference Result 109187 states and 153487 transitions. [2021-11-25 19:08:51,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:08:51,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 102 [2021-11-25 19:08:51,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:08:51,569 INFO L225 Difference]: With dead ends: 109187 [2021-11-25 19:08:51,569 INFO L226 Difference]: Without dead ends: 57466 [2021-11-25 19:08:51,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-25 19:08:51,744 INFO L933 BasicCegarLoop]: 4231 mSDtfsCounter, 4474 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4483 SdHoareTripleChecker+Valid, 4937 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:08:51,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4483 Valid, 4937 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 721 Invalid, 4 Unknown, 0 Unchecked, 13.1s Time] [2021-11-25 19:08:51,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57466 states.