./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--net--ethernet--amd--amd8111e.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P --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 a88d6e7bf2b158373436b40548cbe71d2b3a1f454b281f07c3b1b175d00e8682 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:19:04,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:19:04,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:19:04,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:19:04,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:19:04,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:19:04,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:19:04,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:19:04,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:19:04,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:19:04,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:19:04,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:19:04,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:19:04,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:19:04,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:19:04,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:19:04,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:19:04,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:19:04,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:19:04,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:19:04,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:19:04,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:19:04,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:19:04,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:19:04,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:19:04,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:19:04,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:19:04,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:19:04,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:19:04,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:19:04,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:19:04,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:19:04,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:19:04,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:19:04,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:19:04,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:19:04,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:19:04,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:19:04,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:19:04,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:19:04,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:19:04,643 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 00:19:04,692 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:19:04,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:19:04,693 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:19:04,694 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:19:04,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:19:04,702 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:19:04,702 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:19:04,703 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:19:04,703 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:19:04,703 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:19:04,704 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:19:04,705 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:19:04,705 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:19:04,705 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:19:04,705 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:19:04,706 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:19:04,706 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:19:04,706 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:19:04,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:19:04,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:19:04,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:19:04,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:19:04,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:19:04,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:19:04,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:19:04,710 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:19:04,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:19:04,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:19:04,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:19:04,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:19:04,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:19:04,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:19:04,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:19:04,712 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:19:04,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:19:04,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:19:04,713 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:19:04,713 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:19:04,713 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_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a88d6e7bf2b158373436b40548cbe71d2b3a1f454b281f07c3b1b175d00e8682 [2021-11-21 00:19:05,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:19:05,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:19:05,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:19:05,050 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:19:05,051 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:19:05,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i [2021-11-21 00:19:05,125 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/data/ddb2dcfd0/7b6bd572364f4707b925f4a4a0d49eeb/FLAGebe197b98 [2021-11-21 00:19:06,281 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:19:06,282 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i [2021-11-21 00:19:06,351 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/data/ddb2dcfd0/7b6bd572364f4707b925f4a4a0d49eeb/FLAGebe197b98 [2021-11-21 00:19:06,544 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/data/ddb2dcfd0/7b6bd572364f4707b925f4a4a0d49eeb [2021-11-21 00:19:06,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:19:06,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:19:06,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:19:06,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:19:06,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:19:06,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:19:06" (1/1) ... [2021-11-21 00:19:06,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b0fd8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:06, skipping insertion in model container [2021-11-21 00:19:06,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:19:06" (1/1) ... [2021-11-21 00:19:06,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:19:06,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:19:11,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410486,410499] [2021-11-21 00:19:11,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410631,410644] [2021-11-21 00:19:11,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410777,410790] [2021-11-21 00:19:11,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410942,410955] [2021-11-21 00:19:11,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411100,411113] [2021-11-21 00:19:11,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411258,411271] [2021-11-21 00:19:11,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411416,411429] [2021-11-21 00:19:11,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411576,411589] [2021-11-21 00:19:11,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411735,411748] [2021-11-21 00:19:11,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411874,411887] [2021-11-21 00:19:11,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412016,412029] [2021-11-21 00:19:11,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412165,412178] [2021-11-21 00:19:11,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412304,412317] [2021-11-21 00:19:11,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412459,412472] [2021-11-21 00:19:11,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412619,412632] [2021-11-21 00:19:11,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412770,412783] [2021-11-21 00:19:11,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412921,412934] [2021-11-21 00:19:11,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413073,413086] [2021-11-21 00:19:11,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413222,413235] [2021-11-21 00:19:11,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413370,413383] [2021-11-21 00:19:11,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413527,413540] [2021-11-21 00:19:11,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413676,413689] [2021-11-21 00:19:11,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413832,413845] [2021-11-21 00:19:11,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413985,413998] [2021-11-21 00:19:11,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414131,414144] [2021-11-21 00:19:11,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414274,414287] [2021-11-21 00:19:11,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414426,414439] [2021-11-21 00:19:11,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414572,414585] [2021-11-21 00:19:11,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414717,414730] [2021-11-21 00:19:11,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414871,414884] [2021-11-21 00:19:11,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415022,415035] [2021-11-21 00:19:11,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415177,415190] [2021-11-21 00:19:11,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415329,415342] [2021-11-21 00:19:11,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415484,415497] [2021-11-21 00:19:11,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415648,415661] [2021-11-21 00:19:11,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415804,415817] [2021-11-21 00:19:11,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415968,415981] [2021-11-21 00:19:11,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416110,416123] [2021-11-21 00:19:11,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416268,416281] [2021-11-21 00:19:11,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416435,416448] [2021-11-21 00:19:11,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416594,416607] [2021-11-21 00:19:11,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416753,416766] [2021-11-21 00:19:11,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416902,416915] [2021-11-21 00:19:11,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417049,417062] [2021-11-21 00:19:11,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417188,417201] [2021-11-21 00:19:11,843 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417351,417364] [2021-11-21 00:19:11,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417517,417530] [2021-11-21 00:19:11,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417681,417694] [2021-11-21 00:19:11,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417846,417859] [2021-11-21 00:19:11,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418011,418024] [2021-11-21 00:19:11,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418177,418190] [2021-11-21 00:19:11,847 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418342,418355] [2021-11-21 00:19:11,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418509,418522] [2021-11-21 00:19:11,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418669,418682] [2021-11-21 00:19:11,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418831,418844] [2021-11-21 00:19:11,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418990,419003] [2021-11-21 00:19:11,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419136,419149] [2021-11-21 00:19:11,850 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419279,419292] [2021-11-21 00:19:11,851 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419423,419436] [2021-11-21 00:19:11,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419566,419579] [2021-11-21 00:19:11,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419710,419723] [2021-11-21 00:19:11,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419851,419864] [2021-11-21 00:19:11,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419989,420002] [2021-11-21 00:19:11,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420147,420160] [2021-11-21 00:19:11,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420306,420319] [2021-11-21 00:19:11,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420462,420475] [2021-11-21 00:19:11,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420611,420624] [2021-11-21 00:19:11,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420763,420776] [2021-11-21 00:19:11,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420914,420927] [2021-11-21 00:19:11,858 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421063,421076] [2021-11-21 00:19:11,860 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421215,421228] [2021-11-21 00:19:11,861 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421363,421376] [2021-11-21 00:19:11,862 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421516,421529] [2021-11-21 00:19:11,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421667,421680] [2021-11-21 00:19:11,863 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421817,421830] [2021-11-21 00:19:11,864 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421964,421977] [2021-11-21 00:19:11,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422115,422128] [2021-11-21 00:19:11,865 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422266,422279] [2021-11-21 00:19:11,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422414,422427] [2021-11-21 00:19:11,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422580,422593] [2021-11-21 00:19:11,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422749,422762] [2021-11-21 00:19:11,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422916,422929] [2021-11-21 00:19:11,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423084,423097] [2021-11-21 00:19:11,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423234,423247] [2021-11-21 00:19:11,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423381,423394] [2021-11-21 00:19:11,870 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423542,423555] [2021-11-21 00:19:11,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423712,423725] [2021-11-21 00:19:11,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423874,423887] [2021-11-21 00:19:11,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:19:11,943 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:19:12,414 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410486,410499] [2021-11-21 00:19:12,415 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410631,410644] [2021-11-21 00:19:12,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410777,410790] [2021-11-21 00:19:12,416 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[410942,410955] [2021-11-21 00:19:12,417 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411100,411113] [2021-11-21 00:19:12,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411258,411271] [2021-11-21 00:19:12,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411416,411429] [2021-11-21 00:19:12,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411576,411589] [2021-11-21 00:19:12,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411735,411748] [2021-11-21 00:19:12,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[411874,411887] [2021-11-21 00:19:12,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412016,412029] [2021-11-21 00:19:12,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412165,412178] [2021-11-21 00:19:12,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412304,412317] [2021-11-21 00:19:12,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412459,412472] [2021-11-21 00:19:12,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412619,412632] [2021-11-21 00:19:12,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412770,412783] [2021-11-21 00:19:12,429 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[412921,412934] [2021-11-21 00:19:12,429 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413073,413086] [2021-11-21 00:19:12,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413222,413235] [2021-11-21 00:19:12,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413370,413383] [2021-11-21 00:19:12,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413527,413540] [2021-11-21 00:19:12,431 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413676,413689] [2021-11-21 00:19:12,432 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413832,413845] [2021-11-21 00:19:12,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[413985,413998] [2021-11-21 00:19:12,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414131,414144] [2021-11-21 00:19:12,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414274,414287] [2021-11-21 00:19:12,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414426,414439] [2021-11-21 00:19:12,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414572,414585] [2021-11-21 00:19:12,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414717,414730] [2021-11-21 00:19:12,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[414871,414884] [2021-11-21 00:19:12,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415022,415035] [2021-11-21 00:19:12,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415177,415190] [2021-11-21 00:19:12,438 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415329,415342] [2021-11-21 00:19:12,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415484,415497] [2021-11-21 00:19:12,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415648,415661] [2021-11-21 00:19:12,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415804,415817] [2021-11-21 00:19:12,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[415968,415981] [2021-11-21 00:19:12,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416110,416123] [2021-11-21 00:19:12,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416268,416281] [2021-11-21 00:19:12,443 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416435,416448] [2021-11-21 00:19:12,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416594,416607] [2021-11-21 00:19:12,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416753,416766] [2021-11-21 00:19:12,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[416902,416915] [2021-11-21 00:19:12,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417049,417062] [2021-11-21 00:19:12,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417188,417201] [2021-11-21 00:19:12,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417351,417364] [2021-11-21 00:19:12,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417517,417530] [2021-11-21 00:19:12,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417681,417694] [2021-11-21 00:19:12,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[417846,417859] [2021-11-21 00:19:12,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418011,418024] [2021-11-21 00:19:12,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418177,418190] [2021-11-21 00:19:12,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418342,418355] [2021-11-21 00:19:12,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418509,418522] [2021-11-21 00:19:12,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418669,418682] [2021-11-21 00:19:12,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418831,418844] [2021-11-21 00:19:12,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[418990,419003] [2021-11-21 00:19:12,456 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419136,419149] [2021-11-21 00:19:12,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419279,419292] [2021-11-21 00:19:12,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419423,419436] [2021-11-21 00:19:12,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419566,419579] [2021-11-21 00:19:12,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419710,419723] [2021-11-21 00:19:12,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419851,419864] [2021-11-21 00:19:12,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[419989,420002] [2021-11-21 00:19:12,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420147,420160] [2021-11-21 00:19:12,462 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420306,420319] [2021-11-21 00:19:12,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420462,420475] [2021-11-21 00:19:12,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420611,420624] [2021-11-21 00:19:12,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420763,420776] [2021-11-21 00:19:12,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[420914,420927] [2021-11-21 00:19:12,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421063,421076] [2021-11-21 00:19:12,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421215,421228] [2021-11-21 00:19:12,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421363,421376] [2021-11-21 00:19:12,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421516,421529] [2021-11-21 00:19:12,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421667,421680] [2021-11-21 00:19:12,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421817,421830] [2021-11-21 00:19:12,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[421964,421977] [2021-11-21 00:19:12,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422115,422128] [2021-11-21 00:19:12,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422266,422279] [2021-11-21 00:19:12,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422414,422427] [2021-11-21 00:19:12,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422580,422593] [2021-11-21 00:19:12,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422749,422762] [2021-11-21 00:19:12,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[422916,422929] [2021-11-21 00:19:12,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423084,423097] [2021-11-21 00:19:12,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423234,423247] [2021-11-21 00:19:12,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423381,423394] [2021-11-21 00:19:12,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423542,423555] [2021-11-21 00:19:12,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423712,423725] [2021-11-21 00:19:12,537 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i[423874,423887] [2021-11-21 00:19:12,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:19:12,926 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:19:12,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:12 WrapperNode [2021-11-21 00:19:12,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:19:12,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:19:12,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:19:12,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:19:12,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:12" (1/1) ... [2021-11-21 00:19:13,089 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:12" (1/1) ... [2021-11-21 00:19:13,325 INFO L137 Inliner]: procedures = 672, calls = 2071, calls flagged for inlining = 313, calls inlined = 225, statements flattened = 4756 [2021-11-21 00:19:13,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:19:13,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:19:13,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:19:13,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:19:13,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:12" (1/1) ... [2021-11-21 00:19:13,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:12" (1/1) ... [2021-11-21 00:19:13,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:12" (1/1) ... [2021-11-21 00:19:13,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:12" (1/1) ... [2021-11-21 00:19:13,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:12" (1/1) ... [2021-11-21 00:19:13,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:12" (1/1) ... [2021-11-21 00:19:13,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:12" (1/1) ... [2021-11-21 00:19:13,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:19:13,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:19:13,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:19:13,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:19:13,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:12" (1/1) ... [2021-11-21 00:19:13,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:19:13,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:19:13,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:19:13,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:19:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-21 00:19:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-21 00:19:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-21 00:19:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-21 00:19:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2021-11-21 00:19:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2021-11-21 00:19:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-21 00:19:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-21 00:19:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-21 00:19:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-21 00:19:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 00:19:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 00:19:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-21 00:19:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-21 00:19:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-21 00:19:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-21 00:19:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-21 00:19:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-21 00:19:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-21 00:19:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-21 00:19:13,720 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-21 00:19:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-21 00:19:13,720 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-21 00:19:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-21 00:19:13,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-21 00:19:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-21 00:19:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_amd8111e_priv [2021-11-21 00:19:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_amd8111e_priv [2021-11-21 00:19:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-21 00:19:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-21 00:19:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-21 00:19:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-21 00:19:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-21 00:19:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-21 00:19:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-21 00:19:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-21 00:19:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-21 00:19:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-21 00:19:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 00:19:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 00:19:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-21 00:19:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-21 00:19:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-21 00:19:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-21 00:19:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-21 00:19:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-21 00:19:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:19:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-21 00:19:13,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-21 00:19:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2021-11-21 00:19:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2021-11-21 00:19:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-21 00:19:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-21 00:19:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-21 00:19:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-21 00:19:13,725 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2021-11-21 00:19:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2021-11-21 00:19:13,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 00:19:13,726 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_nway_reset [2021-11-21 00:19:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_nway_reset [2021-11-21 00:19:13,726 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-21 00:19:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-21 00:19:13,726 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2021-11-21 00:19:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2021-11-21 00:19:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 00:19:13,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-21 00:19:13,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-21 00:19:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_open [2021-11-21 00:19:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_open [2021-11-21 00:19:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-21 00:19:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-21 00:19:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-21 00:19:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-21 00:19:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:19:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-21 00:19:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-21 00:19:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-21 00:19:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-21 00:19:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-21 00:19:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-21 00:19:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-21 00:19:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-21 00:19:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-21 00:19:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-21 00:19:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-21 00:19:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-21 00:19:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-21 00:19:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-21 00:19:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-21 00:19:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-21 00:19:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_129 [2021-11-21 00:19:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_129 [2021-11-21 00:19:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-21 00:19:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-21 00:19:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2021-11-21 00:19:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2021-11-21 00:19:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-21 00:19:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-21 00:19:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:19:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2021-11-21 00:19:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2021-11-21 00:19:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-21 00:19:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-21 00:19:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:19:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-21 00:19:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-21 00:19:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-21 00:19:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-21 00:19:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:19:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:19:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:19:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-21 00:19:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-21 00:19:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2021-11-21 00:19:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2021-11-21 00:19:13,740 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-21 00:19:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-21 00:19:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-21 00:19:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-21 00:19:13,741 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2021-11-21 00:19:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2021-11-21 00:19:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-21 00:19:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-21 00:19:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-21 00:19:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-21 00:19:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-21 00:19:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-21 00:19:13,742 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-21 00:19:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-21 00:19:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-21 00:19:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-21 00:19:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-11-21 00:19:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-11-21 00:19:13,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:19:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:19:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_close [2021-11-21 00:19:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_close [2021-11-21 00:19:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 00:19:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 00:19:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 00:19:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 00:19:13,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-21 00:19:13,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-21 00:19:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-21 00:19:13,745 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-21 00:19:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2021-11-21 00:19:13,745 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2021-11-21 00:19:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2021-11-21 00:19:13,745 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2021-11-21 00:19:13,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-21 00:19:13,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-21 00:19:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2021-11-21 00:19:13,746 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2021-11-21 00:19:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-21 00:19:13,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-21 00:19:13,746 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2021-11-21 00:19:13,746 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2021-11-21 00:19:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-21 00:19:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-21 00:19:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_122 [2021-11-21 00:19:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_122 [2021-11-21 00:19:13,747 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-21 00:19:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-21 00:19:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-21 00:19:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-21 00:19:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-21 00:19:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-21 00:19:13,748 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-21 00:19:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-21 00:19:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-21 00:19:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-21 00:19:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:19:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-21 00:19:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-21 00:19:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-21 00:19:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-21 00:19:13,749 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-21 00:19:13,750 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-21 00:19:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:19:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_amd8111e_priv [2021-11-21 00:19:13,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_amd8111e_priv [2021-11-21 00:19:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2021-11-21 00:19:13,750 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2021-11-21 00:19:13,750 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-21 00:19:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-21 00:19:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2021-11-21 00:19:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2021-11-21 00:19:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 00:19:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2021-11-21 00:19:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2021-11-21 00:19:13,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-21 00:19:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-21 00:19:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-21 00:19:13,752 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-21 00:19:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-21 00:19:13,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-21 00:19:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-21 00:19:13,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-21 00:19:13,752 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2021-11-21 00:19:13,753 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2021-11-21 00:19:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-21 00:19:13,753 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-21 00:19:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-21 00:19:13,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-21 00:19:13,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-21 00:19:13,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-21 00:19:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-21 00:19:13,754 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-21 00:19:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-21 00:19:13,754 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-21 00:19:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-21 00:19:13,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-21 00:19:13,754 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-21 00:19:13,754 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-21 00:19:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-21 00:19:13,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-21 00:19:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:19:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-21 00:19:13,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-21 00:19:13,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 00:19:13,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 00:19:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2021-11-21 00:19:13,756 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2021-11-21 00:19:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-21 00:19:13,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-21 00:19:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2021-11-21 00:19:13,756 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2021-11-21 00:19:13,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-21 00:19:13,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-21 00:19:13,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-21 00:19:13,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-21 00:19:13,757 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-21 00:19:13,757 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-21 00:19:13,757 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs_len [2021-11-21 00:19:13,757 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs_len [2021-11-21 00:19:13,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_127 [2021-11-21 00:19:13,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_127 [2021-11-21 00:19:13,758 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-21 00:19:13,758 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-21 00:19:13,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:19:14,853 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:19:14,857 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:19:15,607 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 00:19:18,545 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:19:19,449 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:19:19,450 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-21 00:19:19,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:19:19 BoogieIcfgContainer [2021-11-21 00:19:19,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:19:19,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:19:19,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:19:19,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:19:19,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:19:06" (1/3) ... [2021-11-21 00:19:19,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28973a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:19:19, skipping insertion in model container [2021-11-21 00:19:19,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:19:12" (2/3) ... [2021-11-21 00:19:19,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28973a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:19:19, skipping insertion in model container [2021-11-21 00:19:19,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:19:19" (3/3) ... [2021-11-21 00:19:19,470 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--ethernet--amd--amd8111e.ko.cil.i [2021-11-21 00:19:19,485 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:19:19,485 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2021-11-21 00:19:19,557 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:19:19,564 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 [2021-11-21 00:19:19,564 INFO L340 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2021-11-21 00:19:19,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 1430 states, 779 states have (on average 1.2888318356867778) internal successors, (1004), 842 states have internal predecessors, (1004), 512 states have call successors, (512), 112 states have call predecessors, (512), 111 states have return successors, (508), 499 states have call predecessors, (508), 508 states have call successors, (508) [2021-11-21 00:19:19,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 00:19:19,661 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:19,661 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:19,662 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:19:19,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:19,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1354118877, now seen corresponding path program 1 times [2021-11-21 00:19:19,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:19,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804202516] [2021-11-21 00:19:19,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:19,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:20,457 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:19:20,457 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:20,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804202516] [2021-11-21 00:19:20,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804202516] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:20,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:19:20,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:19:20,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177968289] [2021-11-21 00:19:20,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:20,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:19:20,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:20,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:19:20,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:19:20,535 INFO L87 Difference]: Start difference. First operand has 1430 states, 779 states have (on average 1.2888318356867778) internal successors, (1004), 842 states have internal predecessors, (1004), 512 states have call successors, (512), 112 states have call predecessors, (512), 111 states have return successors, (508), 499 states have call predecessors, (508), 508 states have call successors, (508) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-21 00:19:22,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:22,134 INFO L93 Difference]: Finished difference Result 2834 states and 4115 transitions. [2021-11-21 00:19:22,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:19:22,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2021-11-21 00:19:22,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:22,177 INFO L225 Difference]: With dead ends: 2834 [2021-11-21 00:19:22,177 INFO L226 Difference]: Without dead ends: 1415 [2021-11-21 00:19:22,197 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 [2021-11-21 00:19:22,204 INFO L933 BasicCegarLoop]: 1753 mSDtfsCounter, 1972 mSDsluCounter, 1989 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1974 SdHoareTripleChecker+Valid, 3506 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:22,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1974 Valid, 3506 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-21 00:19:22,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2021-11-21 00:19:22,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1415. [2021-11-21 00:19:22,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1415 states, 771 states have (on average 1.2490272373540856) internal successors, (963), 831 states have internal predecessors, (963), 508 states have call successors, (508), 111 states have call predecessors, (508), 110 states have return successors, (506), 497 states have call predecessors, (506), 506 states have call successors, (506) [2021-11-21 00:19:22,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1415 states and 1977 transitions. [2021-11-21 00:19:22,520 INFO L78 Accepts]: Start accepts. Automaton has 1415 states and 1977 transitions. Word has length 47 [2021-11-21 00:19:22,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:22,525 INFO L470 AbstractCegarLoop]: Abstraction has 1415 states and 1977 transitions. [2021-11-21 00:19:22,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-21 00:19:22,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1977 transitions. [2021-11-21 00:19:22,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 00:19:22,530 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:22,530 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:22,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:19:22,531 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:19:22,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:22,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1551625677, now seen corresponding path program 1 times [2021-11-21 00:19:22,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:22,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789868068] [2021-11-21 00:19:22,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:22,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:22,795 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:19:22,795 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:22,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789868068] [2021-11-21 00:19:22,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789868068] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:22,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:19:22,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:19:22,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905991296] [2021-11-21 00:19:22,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:22,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:19:22,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:22,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:19:22,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:19:22,800 INFO L87 Difference]: Start difference. First operand 1415 states and 1977 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-21 00:19:24,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:24,916 INFO L93 Difference]: Finished difference Result 1415 states and 1977 transitions. [2021-11-21 00:19:24,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:19:24,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2021-11-21 00:19:24,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:24,934 INFO L225 Difference]: With dead ends: 1415 [2021-11-21 00:19:24,934 INFO L226 Difference]: Without dead ends: 1413 [2021-11-21 00:19:24,936 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 [2021-11-21 00:19:24,937 INFO L933 BasicCegarLoop]: 1737 mSDtfsCounter, 1954 mSDsluCounter, 1972 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1956 SdHoareTripleChecker+Valid, 3474 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:24,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1956 Valid, 3474 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-21 00:19:24,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2021-11-21 00:19:25,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 1413. [2021-11-21 00:19:25,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1413 states, 770 states have (on average 1.248051948051948) internal successors, (961), 829 states have internal predecessors, (961), 508 states have call successors, (508), 111 states have call predecessors, (508), 110 states have return successors, (506), 497 states have call predecessors, (506), 506 states have call successors, (506) [2021-11-21 00:19:25,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1413 states and 1975 transitions. [2021-11-21 00:19:25,054 INFO L78 Accepts]: Start accepts. Automaton has 1413 states and 1975 transitions. Word has length 52 [2021-11-21 00:19:25,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:25,055 INFO L470 AbstractCegarLoop]: Abstraction has 1413 states and 1975 transitions. [2021-11-21 00:19:25,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-21 00:19:25,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1975 transitions. [2021-11-21 00:19:25,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 00:19:25,058 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:25,058 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:25,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:19:25,059 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:19:25,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:25,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1603611581, now seen corresponding path program 1 times [2021-11-21 00:19:25,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:25,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070212580] [2021-11-21 00:19:25,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:25,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:25,331 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:19:25,332 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:25,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070212580] [2021-11-21 00:19:25,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070212580] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:25,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:19:25,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:19:25,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608331095] [2021-11-21 00:19:25,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:25,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:19:25,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:25,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:19:25,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:19:25,336 INFO L87 Difference]: Start difference. First operand 1413 states and 1975 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-21 00:19:27,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:27,077 INFO L93 Difference]: Finished difference Result 1413 states and 1975 transitions. [2021-11-21 00:19:27,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:19:27,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2021-11-21 00:19:27,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:27,093 INFO L225 Difference]: With dead ends: 1413 [2021-11-21 00:19:27,093 INFO L226 Difference]: Without dead ends: 1411 [2021-11-21 00:19:27,095 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 [2021-11-21 00:19:27,096 INFO L933 BasicCegarLoop]: 1735 mSDtfsCounter, 1951 mSDsluCounter, 1970 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1953 SdHoareTripleChecker+Valid, 3470 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:27,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1953 Valid, 3470 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 00:19:27,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1411 states. [2021-11-21 00:19:27,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1411 to 1411. [2021-11-21 00:19:27,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1411 states, 769 states have (on average 1.247074122236671) internal successors, (959), 827 states have internal predecessors, (959), 508 states have call successors, (508), 111 states have call predecessors, (508), 110 states have return successors, (506), 497 states have call predecessors, (506), 506 states have call successors, (506) [2021-11-21 00:19:27,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 1973 transitions. [2021-11-21 00:19:27,238 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 1973 transitions. Word has length 57 [2021-11-21 00:19:27,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:27,241 INFO L470 AbstractCegarLoop]: Abstraction has 1411 states and 1973 transitions. [2021-11-21 00:19:27,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-21 00:19:27,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 1973 transitions. [2021-11-21 00:19:27,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 00:19:27,250 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:27,250 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:27,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 00:19:27,251 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:19:27,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:27,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1883761543, now seen corresponding path program 1 times [2021-11-21 00:19:27,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:27,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842366019] [2021-11-21 00:19:27,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:27,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:27,484 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:19:27,484 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:27,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842366019] [2021-11-21 00:19:27,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842366019] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:27,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:19:27,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:19:27,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676626951] [2021-11-21 00:19:27,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:27,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:19:27,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:27,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:19:27,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:19:27,487 INFO L87 Difference]: Start difference. First operand 1411 states and 1973 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 00:19:28,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:28,775 INFO L93 Difference]: Finished difference Result 1411 states and 1973 transitions. [2021-11-21 00:19:28,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:19:28,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2021-11-21 00:19:28,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:28,789 INFO L225 Difference]: With dead ends: 1411 [2021-11-21 00:19:28,790 INFO L226 Difference]: Without dead ends: 1409 [2021-11-21 00:19:28,791 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 [2021-11-21 00:19:28,795 INFO L933 BasicCegarLoop]: 1733 mSDtfsCounter, 1948 mSDsluCounter, 1968 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1950 SdHoareTripleChecker+Valid, 3466 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:28,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1950 Valid, 3466 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-21 00:19:28,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1409 states. [2021-11-21 00:19:28,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1409 to 1409. [2021-11-21 00:19:28,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1409 states, 768 states have (on average 1.24609375) internal successors, (957), 825 states have internal predecessors, (957), 508 states have call successors, (508), 111 states have call predecessors, (508), 110 states have return successors, (506), 497 states have call predecessors, (506), 506 states have call successors, (506) [2021-11-21 00:19:28,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 1409 states and 1971 transitions. [2021-11-21 00:19:28,946 INFO L78 Accepts]: Start accepts. Automaton has 1409 states and 1971 transitions. Word has length 62 [2021-11-21 00:19:28,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:28,946 INFO L470 AbstractCegarLoop]: Abstraction has 1409 states and 1971 transitions. [2021-11-21 00:19:28,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 00:19:28,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1971 transitions. [2021-11-21 00:19:28,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 00:19:28,950 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:28,950 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:28,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 00:19:28,950 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:19:28,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:28,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1181089105, now seen corresponding path program 1 times [2021-11-21 00:19:28,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:28,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505545855] [2021-11-21 00:19:28,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:28,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:29,177 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:19:29,177 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:29,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505545855] [2021-11-21 00:19:29,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505545855] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:29,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:19:29,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:19:29,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774802375] [2021-11-21 00:19:29,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:29,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:19:29,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:29,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:19:29,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:19:29,180 INFO L87 Difference]: Start difference. First operand 1409 states and 1971 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 00:19:30,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:30,834 INFO L93 Difference]: Finished difference Result 1409 states and 1971 transitions. [2021-11-21 00:19:30,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:19:30,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2021-11-21 00:19:30,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:30,848 INFO L225 Difference]: With dead ends: 1409 [2021-11-21 00:19:30,848 INFO L226 Difference]: Without dead ends: 1407 [2021-11-21 00:19:30,849 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 [2021-11-21 00:19:30,850 INFO L933 BasicCegarLoop]: 1731 mSDtfsCounter, 1945 mSDsluCounter, 1966 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1947 SdHoareTripleChecker+Valid, 3462 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:30,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1947 Valid, 3462 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-21 00:19:30,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1407 states. [2021-11-21 00:19:30,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1407 to 1407. [2021-11-21 00:19:30,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1407 states, 767 states have (on average 1.245110821382008) internal successors, (955), 823 states have internal predecessors, (955), 508 states have call successors, (508), 111 states have call predecessors, (508), 110 states have return successors, (506), 497 states have call predecessors, (506), 506 states have call successors, (506) [2021-11-21 00:19:30,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1407 states and 1969 transitions. [2021-11-21 00:19:30,970 INFO L78 Accepts]: Start accepts. Automaton has 1407 states and 1969 transitions. Word has length 67 [2021-11-21 00:19:30,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:30,970 INFO L470 AbstractCegarLoop]: Abstraction has 1407 states and 1969 transitions. [2021-11-21 00:19:30,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 00:19:30,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1969 transitions. [2021-11-21 00:19:30,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 00:19:30,973 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:30,973 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:30,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 00:19:30,975 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:19:30,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:30,976 INFO L85 PathProgramCache]: Analyzing trace with hash 596886147, now seen corresponding path program 1 times [2021-11-21 00:19:30,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:30,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207862817] [2021-11-21 00:19:30,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:30,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:31,141 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:19:31,142 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:31,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207862817] [2021-11-21 00:19:31,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207862817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:31,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:19:31,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:19:31,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008891027] [2021-11-21 00:19:31,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:31,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:19:31,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:31,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:19:31,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:19:31,144 INFO L87 Difference]: Start difference. First operand 1407 states and 1969 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-21 00:19:33,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:33,032 INFO L93 Difference]: Finished difference Result 1407 states and 1969 transitions. [2021-11-21 00:19:33,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:19:33,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2021-11-21 00:19:33,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:33,049 INFO L225 Difference]: With dead ends: 1407 [2021-11-21 00:19:33,049 INFO L226 Difference]: Without dead ends: 1405 [2021-11-21 00:19:33,050 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 [2021-11-21 00:19:33,052 INFO L933 BasicCegarLoop]: 1729 mSDtfsCounter, 1942 mSDsluCounter, 1964 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1944 SdHoareTripleChecker+Valid, 3458 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:33,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1944 Valid, 3458 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-21 00:19:33,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2021-11-21 00:19:33,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1405. [2021-11-21 00:19:33,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1405 states, 766 states have (on average 1.2441253263707572) internal successors, (953), 821 states have internal predecessors, (953), 508 states have call successors, (508), 111 states have call predecessors, (508), 110 states have return successors, (506), 497 states have call predecessors, (506), 506 states have call successors, (506) [2021-11-21 00:19:33,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1405 states and 1967 transitions. [2021-11-21 00:19:33,165 INFO L78 Accepts]: Start accepts. Automaton has 1405 states and 1967 transitions. Word has length 72 [2021-11-21 00:19:33,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:33,167 INFO L470 AbstractCegarLoop]: Abstraction has 1405 states and 1967 transitions. [2021-11-21 00:19:33,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-21 00:19:33,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 1967 transitions. [2021-11-21 00:19:33,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-21 00:19:33,170 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:33,171 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-21 00:19:33,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 00:19:33,171 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:19:33,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:33,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1556791443, now seen corresponding path program 1 times [2021-11-21 00:19:33,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:33,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420326275] [2021-11-21 00:19:33,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:33,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:33,326 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-21 00:19:33,327 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:33,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420326275] [2021-11-21 00:19:33,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420326275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:33,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:19:33,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:19:33,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223196556] [2021-11-21 00:19:33,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:33,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:19:33,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:33,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:19:33,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:19:33,329 INFO L87 Difference]: Start difference. First operand 1405 states and 1967 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 00:19:34,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:34,742 INFO L93 Difference]: Finished difference Result 3532 states and 4931 transitions. [2021-11-21 00:19:34,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:19:34,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 85 [2021-11-21 00:19:34,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:34,767 INFO L225 Difference]: With dead ends: 3532 [2021-11-21 00:19:34,767 INFO L226 Difference]: Without dead ends: 2145 [2021-11-21 00:19:34,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:19:34,778 INFO L933 BasicCegarLoop]: 2184 mSDtfsCounter, 1669 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1669 SdHoareTripleChecker+Valid, 3335 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:34,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1669 Valid, 3335 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-21 00:19:34,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2021-11-21 00:19:34,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 2135. [2021-11-21 00:19:34,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2135 states, 1154 states have (on average 1.240901213171577) internal successors, (1432), 1227 states have internal predecessors, (1432), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2021-11-21 00:19:35,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 2135 states and 2984 transitions. [2021-11-21 00:19:35,036 INFO L78 Accepts]: Start accepts. Automaton has 2135 states and 2984 transitions. Word has length 85 [2021-11-21 00:19:35,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:35,036 INFO L470 AbstractCegarLoop]: Abstraction has 2135 states and 2984 transitions. [2021-11-21 00:19:35,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 00:19:35,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2984 transitions. [2021-11-21 00:19:35,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 00:19:35,044 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:35,045 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:35,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-21 00:19:35,045 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:19:35,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:35,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1775593831, now seen corresponding path program 1 times [2021-11-21 00:19:35,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:35,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63743300] [2021-11-21 00:19:35,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:35,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:35,222 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:19:35,222 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:35,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63743300] [2021-11-21 00:19:35,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63743300] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:35,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:19:35,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:19:35,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403473187] [2021-11-21 00:19:35,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:35,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:19:35,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:35,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:19:35,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:19:35,226 INFO L87 Difference]: Start difference. First operand 2135 states and 2984 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-21 00:19:37,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:37,392 INFO L93 Difference]: Finished difference Result 2135 states and 2984 transitions. [2021-11-21 00:19:37,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:19:37,393 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2021-11-21 00:19:37,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:37,415 INFO L225 Difference]: With dead ends: 2135 [2021-11-21 00:19:37,415 INFO L226 Difference]: Without dead ends: 2133 [2021-11-21 00:19:37,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:19:37,418 INFO L933 BasicCegarLoop]: 1727 mSDtfsCounter, 1939 mSDsluCounter, 1962 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1941 SdHoareTripleChecker+Valid, 3454 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:37,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1941 Valid, 3454 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-21 00:19:37,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2021-11-21 00:19:37,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 2133. [2021-11-21 00:19:37,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2133 states, 1153 states have (on average 1.2402428447528187) internal successors, (1430), 1225 states have internal predecessors, (1430), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2021-11-21 00:19:37,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2982 transitions. [2021-11-21 00:19:37,661 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2982 transitions. Word has length 77 [2021-11-21 00:19:37,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:37,663 INFO L470 AbstractCegarLoop]: Abstraction has 2133 states and 2982 transitions. [2021-11-21 00:19:37,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-21 00:19:37,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2982 transitions. [2021-11-21 00:19:37,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-21 00:19:37,666 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:37,666 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:37,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-21 00:19:37,667 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:19:37,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:37,668 INFO L85 PathProgramCache]: Analyzing trace with hash 108127342, now seen corresponding path program 1 times [2021-11-21 00:19:37,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:37,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670285590] [2021-11-21 00:19:37,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:37,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:37,837 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-21 00:19:37,838 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:37,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670285590] [2021-11-21 00:19:37,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670285590] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:19:37,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249915111] [2021-11-21 00:19:37,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:37,839 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:19:37,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:19:37,845 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:19:37,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:19:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:38,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 1617 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 00:19:38,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:19:38,938 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-21 00:19:38,938 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:19:38,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249915111] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:38,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 00:19:38,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2021-11-21 00:19:38,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126769299] [2021-11-21 00:19:38,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:38,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:19:38,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:38,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:19:38,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-21 00:19:38,941 INFO L87 Difference]: Start difference. First operand 2133 states and 2982 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 00:19:40,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:40,096 INFO L93 Difference]: Finished difference Result 4244 states and 5932 transitions. [2021-11-21 00:19:40,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:19:40,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 90 [2021-11-21 00:19:40,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:40,117 INFO L225 Difference]: With dead ends: 4244 [2021-11-21 00:19:40,117 INFO L226 Difference]: Without dead ends: 2129 [2021-11-21 00:19:40,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-21 00:19:40,130 INFO L933 BasicCegarLoop]: 1723 mSDtfsCounter, 1949 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1949 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:40,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1949 Valid, 1723 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-21 00:19:40,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2129 states. [2021-11-21 00:19:40,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2129 to 2129. [2021-11-21 00:19:40,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2129 states, 1150 states have (on average 1.2391304347826086) internal successors, (1425), 1221 states have internal predecessors, (1425), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2021-11-21 00:19:40,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 2129 states and 2977 transitions. [2021-11-21 00:19:40,290 INFO L78 Accepts]: Start accepts. Automaton has 2129 states and 2977 transitions. Word has length 90 [2021-11-21 00:19:40,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:40,291 INFO L470 AbstractCegarLoop]: Abstraction has 2129 states and 2977 transitions. [2021-11-21 00:19:40,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-21 00:19:40,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 2977 transitions. [2021-11-21 00:19:40,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 00:19:40,293 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:40,293 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:40,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:19:40,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:19:40,512 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:19:40,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:40,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1600085225, now seen corresponding path program 1 times [2021-11-21 00:19:40,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:40,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555902612] [2021-11-21 00:19:40,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:40,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:40,629 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:19:40,629 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:40,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555902612] [2021-11-21 00:19:40,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555902612] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:40,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:19:40,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:19:40,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817973754] [2021-11-21 00:19:40,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:40,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:19:40,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:40,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:19:40,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:19:40,632 INFO L87 Difference]: Start difference. First operand 2129 states and 2977 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 00:19:42,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:42,379 INFO L93 Difference]: Finished difference Result 2129 states and 2977 transitions. [2021-11-21 00:19:42,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:19:42,380 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2021-11-21 00:19:42,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:42,398 INFO L225 Difference]: With dead ends: 2129 [2021-11-21 00:19:42,398 INFO L226 Difference]: Without dead ends: 2127 [2021-11-21 00:19:42,399 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 [2021-11-21 00:19:42,400 INFO L933 BasicCegarLoop]: 1720 mSDtfsCounter, 1935 mSDsluCounter, 1951 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1937 SdHoareTripleChecker+Valid, 3436 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:42,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1937 Valid, 3436 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 00:19:42,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2127 states. [2021-11-21 00:19:42,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2127 to 2127. [2021-11-21 00:19:42,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2127 states, 1149 states have (on average 1.238468233246301) internal successors, (1423), 1219 states have internal predecessors, (1423), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2021-11-21 00:19:42,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 2975 transitions. [2021-11-21 00:19:42,567 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 2975 transitions. Word has length 82 [2021-11-21 00:19:42,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:42,567 INFO L470 AbstractCegarLoop]: Abstraction has 2127 states and 2975 transitions. [2021-11-21 00:19:42,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 00:19:42,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2975 transitions. [2021-11-21 00:19:42,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-21 00:19:42,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:42,570 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:42,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-21 00:19:42,571 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:19:42,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:42,571 INFO L85 PathProgramCache]: Analyzing trace with hash 83756332, now seen corresponding path program 1 times [2021-11-21 00:19:42,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:42,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740261536] [2021-11-21 00:19:42,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:42,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:42,716 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:19:42,716 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:42,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740261536] [2021-11-21 00:19:42,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740261536] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:42,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:19:42,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:19:42,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781466514] [2021-11-21 00:19:42,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:42,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:19:42,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:42,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:19:42,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:19:42,719 INFO L87 Difference]: Start difference. First operand 2127 states and 2975 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 00:19:44,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:44,184 INFO L93 Difference]: Finished difference Result 2127 states and 2975 transitions. [2021-11-21 00:19:44,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:19:44,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2021-11-21 00:19:44,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:44,201 INFO L225 Difference]: With dead ends: 2127 [2021-11-21 00:19:44,202 INFO L226 Difference]: Without dead ends: 2125 [2021-11-21 00:19:44,203 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 [2021-11-21 00:19:44,204 INFO L933 BasicCegarLoop]: 1718 mSDtfsCounter, 1927 mSDsluCounter, 1953 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1929 SdHoareTripleChecker+Valid, 3436 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:44,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1929 Valid, 3436 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-21 00:19:44,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2125 states. [2021-11-21 00:19:44,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2125 to 2125. [2021-11-21 00:19:44,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 1148 states have (on average 1.2378048780487805) internal successors, (1421), 1217 states have internal predecessors, (1421), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2021-11-21 00:19:44,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2973 transitions. [2021-11-21 00:19:44,376 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2973 transitions. Word has length 84 [2021-11-21 00:19:44,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:44,380 INFO L470 AbstractCegarLoop]: Abstraction has 2125 states and 2973 transitions. [2021-11-21 00:19:44,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-21 00:19:44,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2973 transitions. [2021-11-21 00:19:44,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-21 00:19:44,382 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:44,382 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:44,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-21 00:19:44,382 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:19:44,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:44,383 INFO L85 PathProgramCache]: Analyzing trace with hash 80692819, now seen corresponding path program 1 times [2021-11-21 00:19:44,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:44,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971425908] [2021-11-21 00:19:44,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:44,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:44,588 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:19:44,588 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:44,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971425908] [2021-11-21 00:19:44,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971425908] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:44,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:19:44,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:19:44,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121610762] [2021-11-21 00:19:44,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:44,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:19:44,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:44,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:19:44,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:19:44,591 INFO L87 Difference]: Start difference. First operand 2125 states and 2973 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-21 00:19:46,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:46,175 INFO L93 Difference]: Finished difference Result 2125 states and 2973 transitions. [2021-11-21 00:19:46,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:19:46,176 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2021-11-21 00:19:46,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:46,193 INFO L225 Difference]: With dead ends: 2125 [2021-11-21 00:19:46,193 INFO L226 Difference]: Without dead ends: 2123 [2021-11-21 00:19:46,195 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 [2021-11-21 00:19:46,196 INFO L933 BasicCegarLoop]: 1716 mSDtfsCounter, 1926 mSDsluCounter, 1951 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1928 SdHoareTripleChecker+Valid, 3432 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:46,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1928 Valid, 3432 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-21 00:19:46,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2021-11-21 00:19:46,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 2123. [2021-11-21 00:19:46,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2123 states, 1147 states have (on average 1.2371403661726241) internal successors, (1419), 1215 states have internal predecessors, (1419), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2021-11-21 00:19:46,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 2971 transitions. [2021-11-21 00:19:46,376 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 2971 transitions. Word has length 89 [2021-11-21 00:19:46,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:46,376 INFO L470 AbstractCegarLoop]: Abstraction has 2123 states and 2971 transitions. [2021-11-21 00:19:46,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-21 00:19:46,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2971 transitions. [2021-11-21 00:19:46,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-21 00:19:46,380 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:46,380 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:46,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-21 00:19:46,380 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:19:46,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:46,381 INFO L85 PathProgramCache]: Analyzing trace with hash -369380819, now seen corresponding path program 1 times [2021-11-21 00:19:46,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:46,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576614147] [2021-11-21 00:19:46,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:46,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:46,502 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:19:46,502 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:46,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576614147] [2021-11-21 00:19:46,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576614147] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:46,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:19:46,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:19:46,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581031205] [2021-11-21 00:19:46,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:46,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:19:46,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:46,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:19:46,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:19:46,508 INFO L87 Difference]: Start difference. First operand 2123 states and 2971 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-21 00:19:47,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:47,995 INFO L93 Difference]: Finished difference Result 2123 states and 2971 transitions. [2021-11-21 00:19:47,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:19:47,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2021-11-21 00:19:47,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:48,011 INFO L225 Difference]: With dead ends: 2123 [2021-11-21 00:19:48,011 INFO L226 Difference]: Without dead ends: 2121 [2021-11-21 00:19:48,013 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 [2021-11-21 00:19:48,014 INFO L933 BasicCegarLoop]: 1714 mSDtfsCounter, 1923 mSDsluCounter, 1949 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1925 SdHoareTripleChecker+Valid, 3428 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:48,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1925 Valid, 3428 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-21 00:19:48,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2121 states. [2021-11-21 00:19:48,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2121 to 2121. [2021-11-21 00:19:48,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2121 states, 1146 states have (on average 1.236474694589878) internal successors, (1417), 1213 states have internal predecessors, (1417), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2021-11-21 00:19:48,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 2969 transitions. [2021-11-21 00:19:48,195 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 2969 transitions. Word has length 94 [2021-11-21 00:19:48,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:48,196 INFO L470 AbstractCegarLoop]: Abstraction has 2121 states and 2969 transitions. [2021-11-21 00:19:48,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-21 00:19:48,196 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2969 transitions. [2021-11-21 00:19:48,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-21 00:19:48,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:48,198 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:48,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-21 00:19:48,199 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:19:48,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:48,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1705894643, now seen corresponding path program 1 times [2021-11-21 00:19:48,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:48,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710324510] [2021-11-21 00:19:48,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:48,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:48,319 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:19:48,319 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:48,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710324510] [2021-11-21 00:19:48,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710324510] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:48,320 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:19:48,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:19:48,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405283229] [2021-11-21 00:19:48,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:48,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:19:48,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:48,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:19:48,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:19:48,322 INFO L87 Difference]: Start difference. First operand 2121 states and 2969 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-21 00:19:49,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:49,969 INFO L93 Difference]: Finished difference Result 2121 states and 2969 transitions. [2021-11-21 00:19:49,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:19:49,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2021-11-21 00:19:49,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:49,984 INFO L225 Difference]: With dead ends: 2121 [2021-11-21 00:19:49,984 INFO L226 Difference]: Without dead ends: 2119 [2021-11-21 00:19:49,986 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 [2021-11-21 00:19:49,986 INFO L933 BasicCegarLoop]: 1712 mSDtfsCounter, 1920 mSDsluCounter, 1947 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1922 SdHoareTripleChecker+Valid, 3424 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:49,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1922 Valid, 3424 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-21 00:19:49,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2119 states. [2021-11-21 00:19:50,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2119 to 2119. [2021-11-21 00:19:50,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2119 states, 1145 states have (on average 1.2358078602620088) internal successors, (1415), 1211 states have internal predecessors, (1415), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2021-11-21 00:19:50,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 2119 states and 2967 transitions. [2021-11-21 00:19:50,199 INFO L78 Accepts]: Start accepts. Automaton has 2119 states and 2967 transitions. Word has length 99 [2021-11-21 00:19:50,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:50,200 INFO L470 AbstractCegarLoop]: Abstraction has 2119 states and 2967 transitions. [2021-11-21 00:19:50,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-21 00:19:50,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 2967 transitions. [2021-11-21 00:19:50,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 00:19:50,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:50,202 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:50,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-21 00:19:50,203 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:19:50,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:50,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1427773114, now seen corresponding path program 1 times [2021-11-21 00:19:50,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:50,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336446952] [2021-11-21 00:19:50,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:50,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:19:50,333 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:50,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336446952] [2021-11-21 00:19:50,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336446952] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:50,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:19:50,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:19:50,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064409838] [2021-11-21 00:19:50,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:50,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:19:50,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:50,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:19:50,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:19:50,338 INFO L87 Difference]: Start difference. First operand 2119 states and 2967 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-21 00:19:52,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:52,399 INFO L93 Difference]: Finished difference Result 2119 states and 2967 transitions. [2021-11-21 00:19:52,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:19:52,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2021-11-21 00:19:52,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:52,414 INFO L225 Difference]: With dead ends: 2119 [2021-11-21 00:19:52,414 INFO L226 Difference]: Without dead ends: 2117 [2021-11-21 00:19:52,415 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 [2021-11-21 00:19:52,416 INFO L933 BasicCegarLoop]: 1710 mSDtfsCounter, 1917 mSDsluCounter, 1945 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1919 SdHoareTripleChecker+Valid, 3420 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:52,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1919 Valid, 3420 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 00:19:52,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2117 states. [2021-11-21 00:19:52,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2117 to 2117. [2021-11-21 00:19:52,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2117 states, 1144 states have (on average 1.2351398601398602) internal successors, (1413), 1209 states have internal predecessors, (1413), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2021-11-21 00:19:52,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 2117 states and 2965 transitions. [2021-11-21 00:19:52,604 INFO L78 Accepts]: Start accepts. Automaton has 2117 states and 2965 transitions. Word has length 104 [2021-11-21 00:19:52,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:52,605 INFO L470 AbstractCegarLoop]: Abstraction has 2117 states and 2965 transitions. [2021-11-21 00:19:52,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-21 00:19:52,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 2965 transitions. [2021-11-21 00:19:52,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-21 00:19:52,607 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:52,607 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:52,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-21 00:19:52,608 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:19:52,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:52,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1518301122, now seen corresponding path program 1 times [2021-11-21 00:19:52,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:52,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274595043] [2021-11-21 00:19:52,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:52,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:52,721 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:19:52,721 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:52,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274595043] [2021-11-21 00:19:52,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274595043] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:52,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:19:52,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:19:52,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306423469] [2021-11-21 00:19:52,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:52,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:19:52,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:52,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:19:52,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:19:52,724 INFO L87 Difference]: Start difference. First operand 2117 states and 2965 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-21 00:19:54,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:54,602 INFO L93 Difference]: Finished difference Result 2117 states and 2965 transitions. [2021-11-21 00:19:54,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:19:54,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2021-11-21 00:19:54,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:54,616 INFO L225 Difference]: With dead ends: 2117 [2021-11-21 00:19:54,617 INFO L226 Difference]: Without dead ends: 2115 [2021-11-21 00:19:54,619 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 [2021-11-21 00:19:54,619 INFO L933 BasicCegarLoop]: 1708 mSDtfsCounter, 1914 mSDsluCounter, 1943 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1916 SdHoareTripleChecker+Valid, 3416 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:54,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1916 Valid, 3416 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 00:19:54,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2115 states. [2021-11-21 00:19:54,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2115 to 2115. [2021-11-21 00:19:54,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2115 states, 1143 states have (on average 1.2344706911636045) internal successors, (1411), 1207 states have internal predecessors, (1411), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2021-11-21 00:19:54,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 2115 states and 2963 transitions. [2021-11-21 00:19:54,814 INFO L78 Accepts]: Start accepts. Automaton has 2115 states and 2963 transitions. Word has length 109 [2021-11-21 00:19:54,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:54,816 INFO L470 AbstractCegarLoop]: Abstraction has 2115 states and 2963 transitions. [2021-11-21 00:19:54,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-21 00:19:54,816 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2963 transitions. [2021-11-21 00:19:54,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-21 00:19:54,819 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:54,820 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:54,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-21 00:19:54,820 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:19:54,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:54,821 INFO L85 PathProgramCache]: Analyzing trace with hash -804482805, now seen corresponding path program 1 times [2021-11-21 00:19:54,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:54,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297638364] [2021-11-21 00:19:54,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:54,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:54,978 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:19:54,978 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:54,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297638364] [2021-11-21 00:19:54,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297638364] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:54,978 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:19:54,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:19:54,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603921188] [2021-11-21 00:19:54,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:54,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:19:54,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:54,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:19:54,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:19:54,981 INFO L87 Difference]: Start difference. First operand 2115 states and 2963 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-21 00:19:56,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:56,684 INFO L93 Difference]: Finished difference Result 2115 states and 2963 transitions. [2021-11-21 00:19:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:19:56,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2021-11-21 00:19:56,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:56,700 INFO L225 Difference]: With dead ends: 2115 [2021-11-21 00:19:56,700 INFO L226 Difference]: Without dead ends: 2113 [2021-11-21 00:19:56,701 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 [2021-11-21 00:19:56,702 INFO L933 BasicCegarLoop]: 1706 mSDtfsCounter, 1911 mSDsluCounter, 1941 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1913 SdHoareTripleChecker+Valid, 3412 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:56,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1913 Valid, 3412 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-21 00:19:56,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2021-11-21 00:19:56,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 2113. [2021-11-21 00:19:56,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2113 states, 1142 states have (on average 1.233800350262697) internal successors, (1409), 1205 states have internal predecessors, (1409), 777 states have call successors, (777), 184 states have call predecessors, (777), 183 states have return successors, (775), 761 states have call predecessors, (775), 775 states have call successors, (775) [2021-11-21 00:19:56,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 2113 states and 2961 transitions. [2021-11-21 00:19:56,949 INFO L78 Accepts]: Start accepts. Automaton has 2113 states and 2961 transitions. Word has length 114 [2021-11-21 00:19:56,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:56,950 INFO L470 AbstractCegarLoop]: Abstraction has 2113 states and 2961 transitions. [2021-11-21 00:19:56,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-21 00:19:56,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 2961 transitions. [2021-11-21 00:19:56,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-21 00:19:56,953 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:56,953 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:56,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-21 00:19:56,954 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:19:56,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:56,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1313869608, now seen corresponding path program 1 times [2021-11-21 00:19:56,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:56,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221389011] [2021-11-21 00:19:56,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:56,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:57,137 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2021-11-21 00:19:57,137 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:57,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221389011] [2021-11-21 00:19:57,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221389011] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:57,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:19:57,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:19:57,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755227983] [2021-11-21 00:19:57,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:57,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:19:57,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:57,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:19:57,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:19:57,140 INFO L87 Difference]: Start difference. First operand 2113 states and 2961 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-21 00:19:59,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:59,391 INFO L93 Difference]: Finished difference Result 2265 states and 3115 transitions. [2021-11-21 00:19:59,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:19:59,392 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 137 [2021-11-21 00:19:59,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:59,403 INFO L225 Difference]: With dead ends: 2265 [2021-11-21 00:19:59,403 INFO L226 Difference]: Without dead ends: 2263 [2021-11-21 00:19:59,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-21 00:19:59,406 INFO L933 BasicCegarLoop]: 1753 mSDtfsCounter, 1099 mSDsluCounter, 4921 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1100 SdHoareTripleChecker+Valid, 6099 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:59,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1100 Valid, 6099 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-21 00:19:59,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2021-11-21 00:19:59,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 2263. [2021-11-21 00:19:59,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2263 states, 1220 states have (on average 1.222950819672131) internal successors, (1492), 1286 states have internal predecessors, (1492), 811 states have call successors, (811), 223 states have call predecessors, (811), 222 states have return successors, (809), 795 states have call predecessors, (809), 809 states have call successors, (809) [2021-11-21 00:19:59,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 2263 states and 3112 transitions. [2021-11-21 00:19:59,657 INFO L78 Accepts]: Start accepts. Automaton has 2263 states and 3112 transitions. Word has length 137 [2021-11-21 00:19:59,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:59,658 INFO L470 AbstractCegarLoop]: Abstraction has 2263 states and 3112 transitions. [2021-11-21 00:19:59,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-21 00:19:59,658 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 3112 transitions. [2021-11-21 00:19:59,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-21 00:19:59,661 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:59,661 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:19:59,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-21 00:19:59,661 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:19:59,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:59,662 INFO L85 PathProgramCache]: Analyzing trace with hash -642217724, now seen corresponding path program 1 times [2021-11-21 00:19:59,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:59,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758073634] [2021-11-21 00:19:59,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:59,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:59,808 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:19:59,808 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:59,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758073634] [2021-11-21 00:19:59,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758073634] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:59,809 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:19:59,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:19:59,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109469060] [2021-11-21 00:19:59,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:59,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:19:59,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:59,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:19:59,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:19:59,812 INFO L87 Difference]: Start difference. First operand 2263 states and 3112 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-21 00:20:02,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:20:02,140 INFO L93 Difference]: Finished difference Result 2263 states and 3112 transitions. [2021-11-21 00:20:02,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:20:02,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2021-11-21 00:20:02,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:20:02,148 INFO L225 Difference]: With dead ends: 2263 [2021-11-21 00:20:02,148 INFO L226 Difference]: Without dead ends: 2261 [2021-11-21 00:20:02,149 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 [2021-11-21 00:20:02,150 INFO L933 BasicCegarLoop]: 1702 mSDtfsCounter, 1906 mSDsluCounter, 1937 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1908 SdHoareTripleChecker+Valid, 3404 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:20:02,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1908 Valid, 3404 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 00:20:02,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2261 states. [2021-11-21 00:20:02,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2261 to 2261. [2021-11-21 00:20:02,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2261 states, 1219 states have (on average 1.2223133716160788) internal successors, (1490), 1284 states have internal predecessors, (1490), 811 states have call successors, (811), 223 states have call predecessors, (811), 222 states have return successors, (809), 795 states have call predecessors, (809), 809 states have call successors, (809) [2021-11-21 00:20:02,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 3110 transitions. [2021-11-21 00:20:02,377 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 3110 transitions. Word has length 119 [2021-11-21 00:20:02,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:20:02,378 INFO L470 AbstractCegarLoop]: Abstraction has 2261 states and 3110 transitions. [2021-11-21 00:20:02,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-21 00:20:02,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 3110 transitions. [2021-11-21 00:20:02,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-21 00:20:02,381 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:20:02,381 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:20:02,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-21 00:20:02,382 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:20:02,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:20:02,382 INFO L85 PathProgramCache]: Analyzing trace with hash 106824663, now seen corresponding path program 1 times [2021-11-21 00:20:02,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:20:02,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086483545] [2021-11-21 00:20:02,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:20:02,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:20:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:20:02,501 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:20:02,502 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:20:02,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086483545] [2021-11-21 00:20:02,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086483545] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:20:02,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:20:02,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:20:02,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065929770] [2021-11-21 00:20:02,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:20:02,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:20:02,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:20:02,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:20:02,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:20:02,504 INFO L87 Difference]: Start difference. First operand 2261 states and 3110 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-21 00:20:04,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:20:04,333 INFO L93 Difference]: Finished difference Result 2261 states and 3110 transitions. [2021-11-21 00:20:04,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:20:04,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2021-11-21 00:20:04,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:20:04,342 INFO L225 Difference]: With dead ends: 2261 [2021-11-21 00:20:04,342 INFO L226 Difference]: Without dead ends: 2259 [2021-11-21 00:20:04,343 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 [2021-11-21 00:20:04,344 INFO L933 BasicCegarLoop]: 1700 mSDtfsCounter, 1903 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1905 SdHoareTripleChecker+Valid, 3400 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:20:04,344 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1905 Valid, 3400 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 00:20:04,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2259 states. [2021-11-21 00:20:04,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2259 to 2259. [2021-11-21 00:20:04,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2259 states, 1218 states have (on average 1.2216748768472907) internal successors, (1488), 1282 states have internal predecessors, (1488), 811 states have call successors, (811), 223 states have call predecessors, (811), 222 states have return successors, (809), 795 states have call predecessors, (809), 809 states have call successors, (809) [2021-11-21 00:20:04,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 2259 states and 3108 transitions. [2021-11-21 00:20:04,541 INFO L78 Accepts]: Start accepts. Automaton has 2259 states and 3108 transitions. Word has length 124 [2021-11-21 00:20:04,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:20:04,541 INFO L470 AbstractCegarLoop]: Abstraction has 2259 states and 3108 transitions. [2021-11-21 00:20:04,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-21 00:20:04,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 3108 transitions. [2021-11-21 00:20:04,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-21 00:20:04,545 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:20:04,545 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:20:04,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-21 00:20:04,546 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:20:04,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:20:04,546 INFO L85 PathProgramCache]: Analyzing trace with hash 992347706, now seen corresponding path program 1 times [2021-11-21 00:20:04,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:20:04,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309352869] [2021-11-21 00:20:04,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:20:04,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:20:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:20:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:20:04,660 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:20:04,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309352869] [2021-11-21 00:20:04,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309352869] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:20:04,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:20:04,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:20:04,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124944606] [2021-11-21 00:20:04,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:20:04,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:20:04,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:20:04,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:20:04,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:20:04,664 INFO L87 Difference]: Start difference. First operand 2259 states and 3108 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-21 00:20:06,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:20:06,235 INFO L93 Difference]: Finished difference Result 2259 states and 3108 transitions. [2021-11-21 00:20:06,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:20:06,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 129 [2021-11-21 00:20:06,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:20:06,245 INFO L225 Difference]: With dead ends: 2259 [2021-11-21 00:20:06,245 INFO L226 Difference]: Without dead ends: 2257 [2021-11-21 00:20:06,246 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 [2021-11-21 00:20:06,247 INFO L933 BasicCegarLoop]: 1698 mSDtfsCounter, 1900 mSDsluCounter, 1933 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1902 SdHoareTripleChecker+Valid, 3396 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:20:06,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1902 Valid, 3396 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-21 00:20:06,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2257 states. [2021-11-21 00:20:06,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2257 to 2257. [2021-11-21 00:20:06,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2257 states, 1217 states have (on average 1.221035332785538) internal successors, (1486), 1280 states have internal predecessors, (1486), 811 states have call successors, (811), 223 states have call predecessors, (811), 222 states have return successors, (809), 795 states have call predecessors, (809), 809 states have call successors, (809) [2021-11-21 00:20:06,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 2257 states and 3106 transitions. [2021-11-21 00:20:06,471 INFO L78 Accepts]: Start accepts. Automaton has 2257 states and 3106 transitions. Word has length 129 [2021-11-21 00:20:06,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:20:06,472 INFO L470 AbstractCegarLoop]: Abstraction has 2257 states and 3106 transitions. [2021-11-21 00:20:06,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-21 00:20:06,472 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 3106 transitions. [2021-11-21 00:20:06,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-21 00:20:06,476 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:20:06,476 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:20:06,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-21 00:20:06,477 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:20:06,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:20:06,477 INFO L85 PathProgramCache]: Analyzing trace with hash -304832866, now seen corresponding path program 1 times [2021-11-21 00:20:06,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:20:06,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984596486] [2021-11-21 00:20:06,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:20:06,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:20:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:20:06,597 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:20:06,597 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:20:06,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984596486] [2021-11-21 00:20:06,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984596486] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:20:06,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:20:06,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:20:06,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838922596] [2021-11-21 00:20:06,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:20:06,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:20:06,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:20:06,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:20:06,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:20:06,600 INFO L87 Difference]: Start difference. First operand 2257 states and 3106 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-21 00:20:08,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:20:08,186 INFO L93 Difference]: Finished difference Result 2257 states and 3106 transitions. [2021-11-21 00:20:08,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:20:08,189 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 134 [2021-11-21 00:20:08,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:20:08,198 INFO L225 Difference]: With dead ends: 2257 [2021-11-21 00:20:08,198 INFO L226 Difference]: Without dead ends: 2255 [2021-11-21 00:20:08,200 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 [2021-11-21 00:20:08,201 INFO L933 BasicCegarLoop]: 1696 mSDtfsCounter, 1897 mSDsluCounter, 1931 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1899 SdHoareTripleChecker+Valid, 3392 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:20:08,201 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1899 Valid, 3392 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-21 00:20:08,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2255 states. [2021-11-21 00:20:08,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2255 to 2255. [2021-11-21 00:20:08,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2255 states, 1216 states have (on average 1.2203947368421053) internal successors, (1484), 1278 states have internal predecessors, (1484), 811 states have call successors, (811), 223 states have call predecessors, (811), 222 states have return successors, (809), 795 states have call predecessors, (809), 809 states have call successors, (809) [2021-11-21 00:20:08,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 2255 states and 3104 transitions. [2021-11-21 00:20:08,476 INFO L78 Accepts]: Start accepts. Automaton has 2255 states and 3104 transitions. Word has length 134 [2021-11-21 00:20:08,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:20:08,479 INFO L470 AbstractCegarLoop]: Abstraction has 2255 states and 3104 transitions. [2021-11-21 00:20:08,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-21 00:20:08,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 3104 transitions. [2021-11-21 00:20:08,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-21 00:20:08,485 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:20:08,485 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:20:08,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-21 00:20:08,485 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:20:08,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:20:08,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1984825768, now seen corresponding path program 1 times [2021-11-21 00:20:08,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:20:08,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458500844] [2021-11-21 00:20:08,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:20:08,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:20:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:20:08,604 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:20:08,605 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:20:08,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458500844] [2021-11-21 00:20:08,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458500844] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:20:08,605 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:20:08,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:20:08,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279103518] [2021-11-21 00:20:08,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:20:08,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:20:08,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:20:08,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:20:08,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:20:08,607 INFO L87 Difference]: Start difference. First operand 2255 states and 3104 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-21 00:20:10,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:20:10,850 INFO L93 Difference]: Finished difference Result 2255 states and 3104 transitions. [2021-11-21 00:20:10,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:20:10,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 139 [2021-11-21 00:20:10,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:20:10,861 INFO L225 Difference]: With dead ends: 2255 [2021-11-21 00:20:10,861 INFO L226 Difference]: Without dead ends: 2253 [2021-11-21 00:20:10,863 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 [2021-11-21 00:20:10,864 INFO L933 BasicCegarLoop]: 1694 mSDtfsCounter, 1894 mSDsluCounter, 1929 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1896 SdHoareTripleChecker+Valid, 3388 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:20:10,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1896 Valid, 3388 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 00:20:10,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2021-11-21 00:20:11,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2253. [2021-11-21 00:20:11,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2253 states, 1215 states have (on average 1.219753086419753) internal successors, (1482), 1276 states have internal predecessors, (1482), 811 states have call successors, (811), 223 states have call predecessors, (811), 222 states have return successors, (809), 795 states have call predecessors, (809), 809 states have call successors, (809) [2021-11-21 00:20:11,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 3102 transitions. [2021-11-21 00:20:11,160 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 3102 transitions. Word has length 139 [2021-11-21 00:20:11,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:20:11,161 INFO L470 AbstractCegarLoop]: Abstraction has 2253 states and 3102 transitions. [2021-11-21 00:20:11,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-21 00:20:11,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 3102 transitions. [2021-11-21 00:20:11,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-21 00:20:11,165 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:20:11,166 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:20:11,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-21 00:20:11,166 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:20:11,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:20:11,167 INFO L85 PathProgramCache]: Analyzing trace with hash 249959012, now seen corresponding path program 1 times [2021-11-21 00:20:11,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:20:11,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605334061] [2021-11-21 00:20:11,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:20:11,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:20:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:20:11,332 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-11-21 00:20:11,333 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:20:11,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605334061] [2021-11-21 00:20:11,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605334061] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:20:11,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:20:11,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:20:11,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089389641] [2021-11-21 00:20:11,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:20:11,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:20:11,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:20:11,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:20:11,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:20:11,335 INFO L87 Difference]: Start difference. First operand 2253 states and 3102 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-21 00:20:12,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:20:12,896 INFO L93 Difference]: Finished difference Result 4489 states and 6178 transitions. [2021-11-21 00:20:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:20:12,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 155 [2021-11-21 00:20:12,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:20:12,906 INFO L225 Difference]: With dead ends: 4489 [2021-11-21 00:20:12,906 INFO L226 Difference]: Without dead ends: 2254 [2021-11-21 00:20:12,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:20:12,918 INFO L933 BasicCegarLoop]: 1696 mSDtfsCounter, 0 mSDsluCounter, 1928 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3391 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:20:12,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 3391 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-21 00:20:12,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2254 states. [2021-11-21 00:20:13,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2254 to 2254. [2021-11-21 00:20:13,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2254 states, 1216 states have (on average 1.2195723684210527) internal successors, (1483), 1277 states have internal predecessors, (1483), 811 states have call successors, (811), 223 states have call predecessors, (811), 222 states have return successors, (809), 795 states have call predecessors, (809), 809 states have call successors, (809) [2021-11-21 00:20:13,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 2254 states and 3103 transitions. [2021-11-21 00:20:13,208 INFO L78 Accepts]: Start accepts. Automaton has 2254 states and 3103 transitions. Word has length 155 [2021-11-21 00:20:13,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:20:13,209 INFO L470 AbstractCegarLoop]: Abstraction has 2254 states and 3103 transitions. [2021-11-21 00:20:13,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-21 00:20:13,209 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 3103 transitions. [2021-11-21 00:20:13,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-21 00:20:13,215 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:20:13,215 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:20:13,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-21 00:20:13,216 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:20:13,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:20:13,216 INFO L85 PathProgramCache]: Analyzing trace with hash 981861876, now seen corresponding path program 1 times [2021-11-21 00:20:13,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:20:13,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930723270] [2021-11-21 00:20:13,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:20:13,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:20:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:20:13,379 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-11-21 00:20:13,380 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:20:13,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930723270] [2021-11-21 00:20:13,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930723270] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:20:13,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153157501] [2021-11-21 00:20:13,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:20:13,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:20:13,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:20:13,384 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:20:13,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:20:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:20:14,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 2271 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-21 00:20:14,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:20:14,553 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2021-11-21 00:20:14,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:20:14,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153157501] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:20:14,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 00:20:14,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-21 00:20:14,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974565416] [2021-11-21 00:20:14,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:20:14,554 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:20:14,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:20:14,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:20:14,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:20:14,556 INFO L87 Difference]: Start difference. First operand 2254 states and 3103 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-21 00:20:17,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:20:17,554 INFO L93 Difference]: Finished difference Result 4884 states and 6813 transitions. [2021-11-21 00:20:17,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:20:17,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 156 [2021-11-21 00:20:17,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:20:17,564 INFO L225 Difference]: With dead ends: 4884 [2021-11-21 00:20:17,564 INFO L226 Difference]: Without dead ends: 2648 [2021-11-21 00:20:17,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:20:17,579 INFO L933 BasicCegarLoop]: 2223 mSDtfsCounter, 268 mSDsluCounter, 2100 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 4088 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:20:17,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [442 Valid, 4088 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-21 00:20:17,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2021-11-21 00:20:17,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 2255. [2021-11-21 00:20:17,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2255 states, 1217 states have (on average 1.2193919474116681) internal successors, (1484), 1278 states have internal predecessors, (1484), 811 states have call successors, (811), 223 states have call predecessors, (811), 222 states have return successors, (809), 795 states have call predecessors, (809), 809 states have call successors, (809) [2021-11-21 00:20:17,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 2255 states and 3104 transitions. [2021-11-21 00:20:17,911 INFO L78 Accepts]: Start accepts. Automaton has 2255 states and 3104 transitions. Word has length 156 [2021-11-21 00:20:17,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:20:17,912 INFO L470 AbstractCegarLoop]: Abstraction has 2255 states and 3104 transitions. [2021-11-21 00:20:17,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-21 00:20:17,912 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 3104 transitions. [2021-11-21 00:20:17,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-21 00:20:17,918 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:20:17,919 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:20:17,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:20:18,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:20:18,144 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:20:18,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:20:18,145 INFO L85 PathProgramCache]: Analyzing trace with hash 2065108363, now seen corresponding path program 1 times [2021-11-21 00:20:18,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:20:18,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995976101] [2021-11-21 00:20:18,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:20:18,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:20:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:20:18,283 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:20:18,283 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:20:18,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995976101] [2021-11-21 00:20:18,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995976101] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:20:18,283 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:20:18,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:20:18,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912451017] [2021-11-21 00:20:18,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:20:18,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:20:18,285 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:20:18,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:20:18,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:20:18,286 INFO L87 Difference]: Start difference. First operand 2255 states and 3104 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-21 00:20:20,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:20:20,234 INFO L93 Difference]: Finished difference Result 2255 states and 3104 transitions. [2021-11-21 00:20:20,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:20:20,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 144 [2021-11-21 00:20:20,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:20:20,247 INFO L225 Difference]: With dead ends: 2255 [2021-11-21 00:20:20,247 INFO L226 Difference]: Without dead ends: 2114 [2021-11-21 00:20:20,252 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 [2021-11-21 00:20:20,252 INFO L933 BasicCegarLoop]: 1693 mSDtfsCounter, 1891 mSDsluCounter, 1929 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1891 SdHoareTripleChecker+Valid, 3386 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:20:20,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1891 Valid, 3386 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-21 00:20:20,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2114 states. [2021-11-21 00:20:20,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2114 to 2114. [2021-11-21 00:20:20,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2114 states, 1145 states have (on average 1.2305676855895196) internal successors, (1409), 1204 states have internal predecessors, (1409), 762 states have call successors, (762), 203 states have call predecessors, (762), 203 states have return successors, (762), 748 states have call predecessors, (762), 762 states have call successors, (762) [2021-11-21 00:20:20,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 2933 transitions. [2021-11-21 00:20:20,530 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 2933 transitions. Word has length 144 [2021-11-21 00:20:20,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:20:20,531 INFO L470 AbstractCegarLoop]: Abstraction has 2114 states and 2933 transitions. [2021-11-21 00:20:20,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-21 00:20:20,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2933 transitions. [2021-11-21 00:20:20,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-21 00:20:20,536 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:20:20,536 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:20:20,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-21 00:20:20,537 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:20:20,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:20:20,537 INFO L85 PathProgramCache]: Analyzing trace with hash 351353098, now seen corresponding path program 1 times [2021-11-21 00:20:20,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:20:20,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621712458] [2021-11-21 00:20:20,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:20:20,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:20:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:20:20,680 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-11-21 00:20:20,680 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:20:20,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621712458] [2021-11-21 00:20:20,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621712458] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:20:20,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:20:20,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:20:20,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349489621] [2021-11-21 00:20:20,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:20:20,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:20:20,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:20:20,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:20:20,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:20:20,683 INFO L87 Difference]: Start difference. First operand 2114 states and 2933 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-21 00:20:23,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:20:23,391 INFO L93 Difference]: Finished difference Result 2114 states and 2933 transitions. [2021-11-21 00:20:23,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:20:23,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 175 [2021-11-21 00:20:23,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:20:23,401 INFO L225 Difference]: With dead ends: 2114 [2021-11-21 00:20:23,402 INFO L226 Difference]: Without dead ends: 2112 [2021-11-21 00:20:23,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-21 00:20:23,404 INFO L933 BasicCegarLoop]: 1648 mSDtfsCounter, 935 mSDsluCounter, 4740 mSDsCounter, 0 mSdLazyCounter, 870 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 5765 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:20:23,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [936 Valid, 5765 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 870 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-21 00:20:23,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2112 states. [2021-11-21 00:20:23,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2112 to 2112. [2021-11-21 00:20:23,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2112 states, 1144 states have (on average 1.229020979020979) internal successors, (1406), 1202 states have internal predecessors, (1406), 762 states have call successors, (762), 203 states have call predecessors, (762), 203 states have return successors, (762), 748 states have call predecessors, (762), 762 states have call successors, (762) [2021-11-21 00:20:23,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 2112 states and 2930 transitions. [2021-11-21 00:20:23,669 INFO L78 Accepts]: Start accepts. Automaton has 2112 states and 2930 transitions. Word has length 175 [2021-11-21 00:20:23,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:20:23,670 INFO L470 AbstractCegarLoop]: Abstraction has 2112 states and 2930 transitions. [2021-11-21 00:20:23,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-21 00:20:23,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2930 transitions. [2021-11-21 00:20:23,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-21 00:20:23,675 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:20:23,676 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:20:23,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-21 00:20:23,676 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2021-11-21 00:20:23,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:20:23,677 INFO L85 PathProgramCache]: Analyzing trace with hash 668224923, now seen corresponding path program 1 times [2021-11-21 00:20:23,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:20:23,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893547866] [2021-11-21 00:20:23,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:20:23,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:20:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:20:23,833 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-11-21 00:20:23,834 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:20:23,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893547866] [2021-11-21 00:20:23,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893547866] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:20:23,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264467170] [2021-11-21 00:20:23,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:20:23,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:20:23,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:20:23,836 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:20:23,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdfc130d-394e-4474-8f4e-4b2b2d4c4c23/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:20:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:20:24,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 2374 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:20:24,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:20:25,014 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-21 00:20:25,014 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:20:25,374 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-11-21 00:20:25,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264467170] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:20:25,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [470378694] [2021-11-21 00:20:25,406 INFO L159 IcfgInterpreter]: Started Sifa with 111 locations of interest [2021-11-21 00:20:25,406 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:20:25,424 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:20:25,431 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:20:25,432 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:20:27,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-21 00:20:30,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-21 00:20:33,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-21 00:20:39,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-21 00:20:41,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-21 00:20:44,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-11-21 00:20:44,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11